# COM-HPC Client Base User’s Guide ![Close-up of a dark printed circuit board with visible components like J1, J2, and COM-HPC, no readable text or symbols beyond labels.](.com-hpc-client-base-manual-50m-77108-1000-01/2e78279643f45600e1af2638299258c116abacd7f28911004fdb9ec9774e1427.jpg) Revision: 0.1 Preliminary Date: 2024-06-16 Part Number: 50M-77108-1000 Revision History
RevisionDescriptionDateAuthor
0.1Preliminary release2024-06-16AL
# Preface # Disclaimer Information in this document is provided in connection with ADLINK products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in ADLINK´s Terms and Conditions of Sale for such products, ADLINK assumes no liability whatsoever, and ADLINK disclaims any express or implied warranty, relating to sale and/or use of ADLINK products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. If you intend to use ADLINK products in or as medical devices, you are solely responsible for all required regulatory compliance, including, without limitation, Title 21 of the CFR (US), Directive 2007/47/EC (EU), and ISO 13485 & 14971, if any. ADLINK may make changes to specifications and product descriptions at any time, without notice. # Environmental Responsibility ADLINK is committed to fulfil its social responsibility to global environmental preservation through compliance with the European Union's Restriction of Hazardous Substances (RoHS) directive and Waste Electrical and Electronic Equipment (WEEE) directive. Environmental protection is a top priority for ADLINK. We have enforced measures to ensure that our products, manufacturing processes, components, and raw materials have as little impact on the environment as possible. When products are at their end of life, our customers are encouraged to dispose of them in accordance with the product disposal and/or recovery programs prescribed by their nation or company. ![The image displays a standard warning sign: a yellow equilateral triangle with a thick black border. Inside the triangle is a large black exclamation point centered vertically and horizontally.](.com-hpc-client-base-manual-50m-77108-1000-01/90afb5dd18d2ef3da853ac4117dbe43e18cf732e5f6a9ef5106e9a48b0160910.jpg) California Proposition 65 Warning: This product can expose you to chemicals including acrylamide, arsenic, benzene, cadmium, Tris(1,3- dichloro-2-propyl)phosphate (TDCPP), 1,4-Dioxane, formaldehyde, lead, DEHP, styrene, DINP, BBP, PVC, and vinyl materials, which are known to the State of California to cause cancer, and acrylamide, benzene, cadmium, lead, mercury, phthalates, toluene, DEHP, DIDP, DnHP, DBP, BBP, PVC, and vinyl materials, which are known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. ![The image features a black line-art icon of a wheeled trash bin with a lid. A large black 'X' crosses over the bin. Below the icon is a solid black rectangular block.](.com-hpc-client-base-manual-50m-77108-1000-01/d07dbcaac2dc7c6b48d69d1add06aecacc009d69aa1b7fb6ff5ec54d827702f1.jpg) # Trademarks Product names mentioned herein are used for identification purposes only and may be trademarks / registered trademarks of respective companies. # Copyright © 2024 ADLINK Technology Incorporated This document contains proprietary information protected by copyright. All rights are reserved. No part of this manual may be reproduced by any mechanical, electronic, or other means in any form without prior written permission of the manufacturer. # Safety Instructions For user safety, please read and follow all Instructions, WARNINGs, CAUTIONs, and NOTEs marked in this manual and on the associated equipment before handling/operating the equipment. Read these safety instructions carefully. Keep this manual for future reference. • Read the specifications section of this manual for detailed information on the operating environment of this equipment. • Turn off power and unplug any power cords/cables when installing/mounting or un-installing/removing equipment. • To avoid electrical shock and/or damage to equipment: Keep equipment away from water or liquid sources; Keep equipment away from high heat or high humidity; • Keep equipment properly ventilated (do not block or cover ventilation openings); • Make sure to use recommended voltage and power source settings; • Always install and operate equipment near an easily accessible electrical socket outlet; • Secure the power cord (do not place any object on/over the power cord); • Only install/attach and operate equipment on stable surfaces and/or recommended mountings; • If the equipment will not be used for long periods of time, turn off the power source and unplug the equipment. # Conventions The following conventions may be used throughout this manual, denoting special levels of information ![The image displays a red icon on a white background. It features a stylized outline of a document or piece of paper with a folded bottom-right corner. Inside the red border, there are three horizontal red lines centered vertically, resembling text lines.](.com-hpc-client-base-manual-50m-77108-1000-01/874ef9254edaaa9891efd0c02438d59adaa7d2dfd17cf96e11961d138d2bc435.jpg) Note: This information adds clarity or specifics to text and illustrations. ![The image displays a standard warning icon featuring a yellow triangle with rounded corners. Inside the triangle is a white exclamation mark centered vertically.](.com-hpc-client-base-manual-50m-77108-1000-01/dd94d9faf3ec154be14994c93bf6f64ff8b9c16de683ef3c6a1755eaf45648bc.jpg) Caution: This information indicates the possibility of minor physical injury, component damage, data loss, and/or program corruption. ![A red triangular warning sign featuring a white exclamation point in its center.](.com-hpc-client-base-manual-50m-77108-1000-01/d6f5aa66827d785e48912c79f912eae6f753df915415d15a0e7822508fee4816.jpg) Warning: This information warns of possible serious physical injury, component damage, data loss, and/or program corruption. # Getting Service Ask an Expert: https://www.adlinktech.com/en/Askanexpert # ADLINK Technology, Inc. No. 66, Huaya 1st Rd., Guishan District, Taoyuan City 333411, Taiwan Tel: +886-3-216-5088 Fax: +886-3-328-5706 Email: service@adlinktech.com # Ampro ADLINK Technology, Inc. 6450 Via Del Oro, San Jose, CA 95119-1208, USA Tel: +1-408-360-0200 Toll Free: +1-800-966-5200 (USA only) Fax: +1-408-600-1189 Email: info@adlinktech.com # ADLINK Technology (China) Co., Ltd. 300 Fang Chun Rd., Zhangjiang Hi-Tech Park, Pudong New Area, Shanghai, 201203, China Tel: +86-21-5132-8988 Fax: +86-21-5132-3588 Email: market@adlinktech.com # ADLINK Technology GmbH Hans-Thoma-Strasse 11, D-68163 Mannheim, Germany Tel: +49-621-43214-0 Fax: +49-621 43214-30 Email: emea@adlinktech.com Please visit the Contact page at www.adlinktech.com for information on how to contact the ADLINK regional office nearest you. # Table of Contents Revision History .. Preface . 1. Introduction ... .10 2. Special Features.. .1 2.1. PCI Express x16 Gen5... . 11 2.2. Two Ethernet RJ45.. . 11 2.3. Two USB4 Type-C.. 11 2.4. Two M.2 Connector ... . 11 3. Component Location....... ..12 4. Functional Diagram... .13 5. Connectors and Pinouts ...... ..14 5.1. Carrier Board Signals — Client Type .. .. 14 5.2. Connector Location and Pinout Compatibility... .. 15 5.3. Carrier Board Design... ... 16 5.4. COM-HPC Board-to-board Connectors.. .. 16 5.5. PCIe x16 Slot.. . 22 5.6. PCIe x4 Slot ... .. 23 5.7. PCIe x1 Slot ... .. 24 5.8. M.2 M-KEY... .. 25 5.9. M.2 E-KEY... .. 26 5.10. DisplayPort / HDMI... . 27 5.11. eDP / DSI.. .. 27 5.12. Audio HDA .. .. 29 5.13. Audio SNDW .. . 29 5.14. Ethernet NBASE-T... . 30 5.15. CSI Camera Serial Interface .. . 30 5.16. USB .. . 31 5.17. GPIO ... .. 33 5.18. I2C .. ... 33 5.19. UART / COM... . 34 5.20. eSPI Debug Connector.. . 35 5.21. SMB ... . 35 5.22. FAN Connector.. . 36 5.23. Carrier BIOS... . 37 5.24. GP\_SPI... . 37 5.25. Front Panel Control.. . 38 5.26. Other Jumpers .. . 38 5.27. Power Connectors.. . 39 6. Carrier BIOS (need update) .... ...41 7. Switches, POST and LEDs.. ...42 7.1. Switches.. . 42 7.2. POST and inductors LEDs.. ... 42 7.3. ATX Power Connectors .. .. 43 7.4. AT Power Mode... .. 43 # List of Figures Figure 1 – Component location.. ..12 Figure 2 – Functional diagram.............. ...13 Figure 3 – Carrier board signals, Server type pinout......... ...14 Figure 4 – Connector location and pinout compatibility (Size C as example) ... .15 # 1. Introduction ![The image displays a red warning sign shaped like a triangle with rounded corners. Centered inside the red triangle is a white exclamation mark. The background surrounding the sign is white.](.com-hpc-client-base-manual-50m-77108-1000-01/19b6d9b6424446e73c1578dcb7edde36db20cb5da0e8c2125e7d3afcab1b7b64.jpg) Warning: This is an EA (early available) engineering manual. The contents may not accurately reflect the actual or final version of this product. The COM-HPC modular approach of custom carrier combined with off-the-shelf system cores relives developers and manufacturers the need to design their own system core, thereby not only accelerating their proof of concept significantly but also empowers them to upgrade to later generation processors without redesign. The COM-HPC concept reduces engineering complexity, lowers the threshold for total project quantity, and last but not least brings your product to the market in no time. The average time to design a carrier board is less than half the time of a full custom board. The COM-HPC Client Base, based on PICMG COM-HPC R1.0, is an ATX size carrier board, supplied by ATX and AT power source through 24+4 power connector. Together with the COM-HPC Client Type module of your choice and off-the-shelf add-on cards, you can quickly emulate the functionality of your desired end product for software development and hardware verification. To build a functional prototype of your target system you will need: COM-HPC Client Type module COM-HPC Client Base carrier PCI Express-based storage or SATA storage (SATA storage solutions are dependent on module specifications) The COM-HPC Client Base is compatible with Size A, Size B and Size C COM-HPC Client Type modules and may accommodate: 1x PCI Express x16 slot, up to Gen5 2x PCI Express x4 slots, 3x PCI Express x1 slots and 1x M.2 M-key connector, 1x M.2 E-key connector 2x DP ports, 1x HDMI port, 1x eDP connector and 3-in-1 Audio port 2x USB4 Type-C, 2x USB3 Type-A, 2x USB2 Type-A and multiple USB headers for front panel usage 2x Ethernet RJ45 connector, up to 10GBASE-T 2x MIPI-CSI connectors # 2. Special Features # 2.1. PCI Express x16 Gen5 FHFL PCI Express cards in the PCIE16-31 slot can support up to 2-slot-width PCI Express cards. of the capability of PCI Express Gen5 depends on the module specifications. # 2.2. Two Ethernet RJ45 2x RJ45 connectors are capable of 10GbE speed, depending on the module specifications. # 2.3. Two USB4 Type-C 2x USB4 Type-C connectors support up to USB 40Gbit/s and DisplayPort, depending on the module specifications. # 2.4. Two M.2 Connector 1x M.2 M-key (PCIe x4, up to 22110) for NVMe storage usage. 1x M.2 E-key (PCIex1 and USB, up to 2230) for wireless module usage. # 3. Component Location ![J1\nJ2\nJ3\nJ4\nJ5\nJ6\nJ7\nJ8\nJ9\nJ10\nJ11\nJ12\nJ13\nJ14\nJ15\nJ16\nJ17\nJ18\nJ19\nJ20\nJ21\nJ22\nJ23\nJ24\nJ25\nJ26\nJ27\nJ28\nJ29\nJ30\nJ31\nJ32\nJ33\nJ34\nJ35\nJ36\nJ37\nJ38\nJ39\nJ40\nJ41\nJ42\nJ43\nJ44\nJ45\nJ46\nJ47\nJ48\nJ49\nJ50\nJ51\nJ52\nJ53\nJ54\nJ55\nJ56\nJ57\nJ58\nJ59\nJ60\nJ61\nJ62\nJ63\nJ64\nJ65\nJ66\nJ67\nJ68\nJ69\nJ70\nJ71\nJ72\nJ73\nJ74\nJ75\nJ76\nJ77\nJ78\nJ79\nJ80\nJ81\nJ82\nJ83\nJ84\nJ85\nJ86\nJ87\nJ88\nJ89\nJ90\nJ91\nJ92\nJ93\nJ94\nJ95\nJ96\nJ97\nJ98\nJ99\nJ100](.com-hpc-client-base-manual-50m-77108-1000-01/368c51a3c18a080654695c2553c2ca34d58529532da75b7283922f85cfd53b32.jpg) Figure 1 – Component location # 4. Functional Diagram ![This block diagram, titled **COM-HPC Client Base**, illustrates the connectivity of a high-performance client motherboard. It centers around two main processing blocks, **NBASET_0** and **NBASET_1**, and details their connections to various external ports, expansion slots, and peripheral controllers.\n\n**Main Processing Blocks:**\n* **NBASET_0**: A large grey block containing labels for various interfaces including **DDI_0**, **DDI_1**, **EDP**, **PCIe 5**, **PCIe 6**, **PCIe 7**, **PCIe 0-3**, **PCIe 12-15**, **PCIe 8-11**, **PCIe 4 / USB2_6**, **GPIO_0-11**, **UART_0-1**, **I2C_0**, **I2C_1**, **Boot_SPI**, **GP_SPI**, **SMB**, **ESPI**, **Thermal**, **HDA**, **SNDW_0-1**, **USB2_4-5**, **USB2_0-1**, **USB4/3.x_0-1**, **USB2_3**, **USB2_7**, and **USB2_2**.\n* **NBASET_1**: A large grey block containing labels for **PCIe 16-31**, **DDI_2**, **CSI_0**, **CSI_1**, **USB4/3.x_3**, and **USB4/3.X_2**.\n\n**External Connectors and Peripherals:**\n* **Top Left:** Two **RJ45** connectors, a **DP** connector, an **HDMI** connector, and another **DP** connector.\n* **Left Side (IO Panel):** Audio jacks (Blue, Green, Pink), and two sets of **USB Type A** and **USB Type C** ports.\n* **Expansion Slots:** Two **PCIe x1** slots, two **PCIe x4** slots, an **M.2 M Key** slot, an **M.2 E Key** slot, and a **PCIe x16** slot (far right).\n* **Camera:** Two camera connectors connected to **CSI_0** and **CSI_1**.\n* **Front Panel:** **2xUSB (front panel)** (two instances), and **USB TypeE (front panel)**.\n* **Other:** **2x COM** ports, **2x FAN connector**.\n\n**Intermediary Blocks and Connections:**\n* **Audio:** The audio jacks connect to the **Audio Codec TBC** block, which links to **HDA** and **SNDW_0-1** in **NBASET_0**.\n* **Thunderbolt/USB-C:** The **USB Type C** and **Type A** ports connect to a dashed box containing **TBT4 Intel JHL8540** and **USB PD TI TPS65994AE**. This block connects to **NBASET_0** via lines labeled **2xUSB**, **2xUSB (for Type C)**, and **2xUSB (for Type A)**.\n* **USB Hubs:** Two **USB Hub** blocks connect the internal **USB2_7** / **USB2_2** and **USB2_3** lines to the **2xUSB (front panel)** headers.\n* **Super I/O:** A **Super I/O NCT6126D** block connects to **2x COM** and **2x FAN connector**. It is linked to **NBASET_0** via headers labeled **GPIO_0-11**, **UART_0-1**, **I2C_0**, **I2C_1**, **Boot_SPI**, **GP_SPI**, **SMB**, **ESPI**, and **Thermal**. It also connects to an **EEPROM** block.\n* **PCIe Routing:**\n * **NBASET_0** connects to **PCIe x1**, **PCIe x4**, **M.2 M Key**, and **M.2 E Key** slots.\n * **NBASET_1** connects to the **PCIe x16** slot.\n * **DDI_2** in **NBASET_1** connects to the lower **DP** port.\n * **DDI_0** / **DDI_1** in **NBASET_0** connect to the **HDMI** port.\n * **EDP** in **NBASET_0** connects to the upper **DP** port.\n * The top two **RJ45** connectors connect to **NBASET_0**.\n * **USB4/3.x_3** / **USB4/3.X_2** in **NBASET_1** connect to **USB TypeE (front panel)**.](.com-hpc-client-base-manual-50m-77108-1000-01/22265d32fd08b9b41c92b2ad6fd9a53f48a68f7f252384260e17fc8645269d8f.jpg) Figure 2 – Functional diagram # 5. Connectors and Pinouts # 5.1. Carrier Board Signals — Client Type ![| Category | Component | Value |\n| -------- | --------- | ----- |\n| J2 (E/F/G/H) | DDI 3 | 32x |\n| J2 (E/F/G/H) | USB 4/3.x upgrade | 2x |\n| J2 (E/F/G/H) | PCIe | 32x |\n| J2 (E/F/G/H) | NBASE-T (max. 10G) | 1 |\n| J2 (E/F/G/H) | MIPI CSI | 2x |\n| J2 (E/F/G/H) | ETH_KR (max. 25G) | 2x |\n| J2 (E/F/G/H) | PCIe Target | - |\n| J2 (E/F/G/H) | RSVD | - |\n| J1 (A/B/C/D) | 12V (8-20V opt.) | 5Vsb |\n| J1 (A/B/C/D) | USB 2.0 | 8x |\n| J1 (A/B/C/D) | USB 4/3.x upgrade | 2x |\n| J1 (A/B/C/D) | Audio I2S / Soundwire | - |\n| J1 (A/B/C/D) | DDI 1 | - |\n| J1 (A/B/C/D) | DDI 2 | - |\n| J1 (A/B/C/D) | eDP /DSI | - |\n| J1 (A/B/C/D) | IPMB & PCIe | - |\n| J1 (A/B/C/D) | eSPI | - |\n| J1 (A/B/C/D) | SATA | 2x |\n| J1 (A/B/C/D) | PCIe | 16x |\n| J1 (A/B/C/D) | NBASE-T (max. 10G) | 0 |\nBoot SPI, GP_SPI, 2x UART, SMB, 2x I2C, 12x GPIO, Fusa are defined on the specification but not shown above](.com-hpc-client-base-manual-50m-77108-1000-01/9e2e9ffedae35f276776b019fb944e436b9fae5f3749a6d453d8315c518011f4.jpg) Figure 3 – Carrier board signals, Server type pinout # 5.2. Connector Location and Pinout Compatibility Connector positions and pinouts comply with the pinout and signal descriptions within the PICMG COM-HPC Carrier Design Guide R2. This document includes: descriptions of pinouts, signals, and mechanical characteristics of the COM-HPC specification. The COM-HPC Client Base carrier is compatible with COM-HPC modules in Size A, Size B and Size C form factor, Client Type pinout, and COM-HPC Module Base Specification R1.x. ![pin H100\nJ2 upper side\npin E01\npin D100\nJ1 lower side\npin A01](.com-hpc-client-base-manual-50m-77108-1000-01/b0de90a4ad2e08440ffb2dc4e75d22830f74a454e9bbae837a985f61db4b95ea.jpg) Figure 4 – Connector location and pinout compatibility (Size C as example) # 5.3. Carrier Board Design COM-HPC Client Base follows the PICMG COM-HPC Carrier Design Guide where possible, and its design and schematic have been fully verified. It is recommended to utilize them as references for your carrier board design. COM-HPC Client Base schematics and mechanical files, as well as the CDG, can be downloaded from ADLINK COM’s webpage. # 5.4. COM-HPC Board-to-board Connectors Signals and Pinouts for COM-HPC Client Type (Size A, B & C)
Row ARow BRow CRow D
A1VCCB1VCCC1VCCD1VCC
A2VCCB2PWRBTN#C2RSTBTN#D2VCC
A3VCCB3VCCC3VCCD3VCC
A4VCCB4THERMTRIP#C4CARRIER_HOT#D4VCC
A5VCCB5VCCC5VCCD5VCC
A6VCCB6TAMPER#C6VIN_PWR_OKD6VCC
A7VCCB7VCCC7VCCD7VCC
A8VCCB8SUS_S3#C8SUS_S4_S5#D8VCC
A9VCCB9VCCC9VCCD9VCC
A10GNDB10WD_STROBE#C10GNDD10WAKE0#
A11BATLOW#B11WD_OUTC11FAN_PWMOUTD11WAKE1#
A12PLTRST#B12GNDC12FAN_TACHIND12GND
A13GNDB13USB5-C13GNDD13USB1-
A14USB7-B14USB5+C14USB3-D14USB1+
A15USB7+B15GNDC15USB3+D15GND
A16GNDB16USB4-C16GNDD16USB0-
A17USB6-B17USB4+C17USB2-D17USB0+
A18USB6+B18GNDC18USB2+D18GND
A19GNDB19I2S_LRCLK/SNDW_CLK3/HDA_SYNCC19GNDD19DDIO_SDA_AUX-
A20DDI1_SDA_AUX-B20I2S_DOUT/SNDW_DAT3/HDA_SDOC20SNDW_DMIC_CLK1D20DDIO_SCL_AUX+
A21DDI1_SCL_AUX+B21I2S_MCLK/HDA_RST#C21SNDW_DMIC_DAT1D21GND
A22GNDB22I2S_DIN/SNDW_DAT2/HDA_SDIC22GNDD22DDIO_PAIR0-
A23DDI1_PAIR0-B23I2S_CLK/SNDW_CLK2/HDA_BCLKC23SNDW_DMIC_CLK0D23DDI0_PAIR0+
A24DDI1_PAIR0+B24VCC_5V_SBYC24SNDW_DMIC_DAT0D24GND
A25GNDB25USB67_OC#C25GNDD25DDI0_PAIR1-
A26DDI1_PAIR1-B26USB45_OC#C26DDI0_DDC_AUX_SELD26DDI0_PAIR1+
A27DDI1_PAIR1+B27USB23_OC#C27DDI1_DDC_AUX_SELD27GND
A28GNDB28USB01_OC#C28DDI0_HPDD28DDI0_PAIR2-
A29DDI1_PAIR2-B29SML1_CLKC29DDI1_HPDD29DDI0_PAIR2+
A30DDI1_PAIR2+B30SML1_DATC30eDP_HPDD30GND
A31GNDB31PMCALERT#C31eDP_VDD_END31DDI0_PAIR3-
A32DDI1_PAIR3-B32SML0_CLKC32eDP_BKLT_END32DDI0_PAIR3+
A33DDI1_PAIR3+B33SML0_DATC33eDP_BKLTCTLD33GND
A34GNDB34USB_PD_ALERT#C34GNDD34AC_PRESENT
A35eDP_AUX-B35USB_PD_I2C_CLKC35USB1_AUX-D35RSVD
A36eDP_AUX+B36USB_PD_I2C_DATC36USB1_AUX+D36GND
A37GNDB37USB_RT_ENAC37GNDD37USB1_SSTX0-
A38eDP_TX0-B38USB1_LSRXC38USB1_SSRX0-D38USB1_SSTX0+
A39eDP_TX0+B39USB1_LSTXC39USB1_SSRX0+D39GND
A40GNDB40USB0_LSRXC40GNDD40USB1_SSTX1-
A41eDP_TX1-B41USB0_LSTXC41USB1_SSRX1-D41USB1_SSTX1+
A42eDP_TX1+B42GNDC42USB1_SSRX1+D42GND
A43GNDB43USB0_AUX-C43GNDD43USB0_SSTX0-
A44eDP_TX2-B44USB0_AUX+C44USB0_SSRX0-D44USB0_SSTX0+
A45eDP_TX2+B45LID#C45USB0_SSRX0+D45GND
A46GNDB46SLEEP#C46GNDD46USB0_SSTX1-
A47eDP_TX3-B47VCC_BOOT_SPIC47USB0_SSRX1-D47USB0_SSTX1+
A48eDP_TX3+B48BOOT_SPI_CS#C48USB0_SSRX1+D48GND
A49GNDB49BSEL0C49GNDD49SATA0_RX-
A50eSPI_IO0B50BSEL1C50BOOT_SPI_IO0D50SATA0_RX+
A51eSPI_IO1B51BSEL2C51BOOT_SPI_IO1D51GND
A52eSPI_IO2B52eSPI_ALERT0#C52BOOT_SPI_IO2D52SATA0_TX-
A53eSPI_IO3B53eSPI_ALERT1#C53BOOT_SPI_IO3D53SATA0_TX+
A54eSPI_CLKB54eSPI_CS0#C54BOOT_SPI_CLKD54GND
A55GNDB55eSPI_CS1#C55GNDD55SATA1_RX-
A56PCIe_CLKREQ0_LO#B56eSPI_RST#C56PCIe_REFCLK0_HI-D56SATA1_RX+
A57PCIe_CLKREQ0_HI#B57GNDC57PCIe_REFCLK0_HI+D57GND
A58GNDB58PCIe_BMC_RX-C58GNDD58SATA1_TX-
A59PCIe_BMC_TX-B59PCIe_BMC_RX+C59PCIe_REFCLK0_LO-D59SATA1_TX+
A60PCIe_BMC_TX+B60GNDC60PCIe_REFCLK0_LO+D60GND
A61GNDB61PCIe08_RX-C61GNDD61PCIe00_TX-
A62PCIe08_TX-B62PCIe08_RX+C62PCIe00_RX-D62PCIe00_TX+
A63PCIe08_TX+B63GNDC63PCIe00_RX+D63GND
A64GNDB64PCIe09_RX-C64GNDD64PCIe01_TX-
A65PCIe09_TX-B65PCIe09_RX+C65PCIe01_RX-D65PCIe01_TX+
A66PCIe09_TX+B66GNDC66PCIe01_RX+D66GND
A67GNDB67PCIe10_RX-C67GNDD67PCIe02_TX-
A68PCIe10_TX-B68PCIe10_RX+C68PCIe02_RX-D68PCIe02_TX+
A69PCIe10_TX+B69GNDC69PCIe02_RX+D69GND
A70GNDB70PCIe11_RX-C70GNDD70PCIe03_TX-
A71PCIe11_TX-B71PCIe11_RX+C71PCIe03_RX-D71PCIe03_TX+
A72PCIe11_TX+B72GNDC72PCIe03_RX+D72GND
A73GNDB73PCIe12_RX-C73GNDD73PCIe04_TX-
A74PCIe12_TX-B74PCIe12_RX+C74PCIe04_RX-D74PCIe04_TX+
A75PCIe12_TX+B75GNDC75PCIe04_RX+D75GND
A76GNDB76PCIe13_RX-C76GNDD76PCIe05_TX-
A77PCIe13_TX-B77PCIe13_RX+C77PCIe05_RX-D77PCIe05_TX+
A78PCIe13_TX+B78GNDC78PCIe05_RX+D78GND
A79GNDB79PCIe14_RX-C79GNDD79PCIe06_TX-
A80PCIe14_TX-B80PCIe14_RX+C80PCIe06_RX-D80PCIe06_TX+
A81PCIe14_TX+B81GNDC81PCIe06_RX+D81GND
A82GNDB82PCIe15_RX-C82GNDD82PCIe07_TX-
A83PCIe15_TX-B83PCIe15_RX+C83PCIe07_RX-D83PCIe07_TX+
A84PCIe15_TX+B84GNDC84PCIe07_RX+D84GND
A85GNDB85TEST#C85GNDD85NBASET0_MDIO-
A86VCC_RTCB86RSMRST_OUT#C86SMB_CLKD86NBASET0_MDIO+
A87SUS_CLKB87UART1_TXC87SMB_DATD87GND
A88GPIO_00B88UART1_RXC88SMB_ALERT#D88NBASET0_MDI1-
A89GPIO_01B89UART1_RTS#C89UART0_TXD89NBASET0_MDI1+
A90GPIO_02B90UART1_CTS#C90UART0_RXD90GND
A91GPIO_03B91IPMB_CLKC91UART0_RTS#D91NBASET0_MDI2-
A92GPIO_04B92IPMB_DATC92UART0_CTS#D92NBASET0_MDI2+
A93GPIO_05B93GPSPI_MOSIC93I2C0_CLKD93GND
A94GPIO_06B94GPSPI_MISOC94I2C0_DATD94NBASET0_MDI3-
A95GPIO_07B95GPSPI_CS0#C95I2C0_ALERT#D95NBASET0_MDI3+
A96GPIO_08B96GPSPI_CS1#C96I2C1_CLKD96GND
A97GPIO_09B97GPSPI_CS2#C97I2C1_DATD97NBASET0_LINK_MAX#
A98GPIO_10B98GPSPI_CS3#C98NBASET0_SDPD98NBASET0_LINK_MID#
A99GPIO_11B99GPSPI_CLKC99NBASET0_CTREFD99NBASET0_LINK_ACT#
A100TYPE0B100GPSPI_ALERT#C100TYPE1D100TYPE2
Row ERow FRow GRow H
E1RAPID_SHUTDOWNF1FUSA_STATUS0G1VCC_5V_SBYH1GND
E2GNDF2FUSA_STATUS1G2GNDH2USB2_SSTX0-
E3DDI2_SDA_AUX-F3FUSA_ALERT#G3USB2_SSRX0-H3USB2_SSTX0+
E4DDI2_SDA_AUX+F4FUSA_SPI_CS#G4USB2_SSRX0+H4GND
E5GNDF5FUSA_SPI_CLKG5GNDH5USB2-SSTX1-
E6DDI2_PAIR0-F6FUSA_SPI_MISOG6USB2_SSRX1-H6USB2-SSTX1+
E7DDI2_PAIR0+F7FUSA_SPI_MOSIG7USB2_SSRX1+H7GND
E8GNDF8FUSA_SPI_ALERTG8GNDH8USB3_SSTX0-
E9DDI2_PAIR1-F9FUSA_VOLTAGE_ERR#G9USB3_SSRX0-H9USB3_SSTX0+
E10DDI2_PAIR1+F10PROCHOT#G10USB3_SSRX0+H10GND
E11GNDF11CATERR#G11GNDH11USB3-SSTX1-
E12DDI2_PAIR2-F12RSVDG12USB3_SSRX1-H12USB3-SSTX1+
E13DDI2_PAIR2+F13RSVDG13USB3_SSRX1+H13GND
E14GNDF14RSVDG14GNDH14USB2_AUX-
E15DDI2_PAIR3-F15RSVDG15USB3_LSRXH15USB2_AUX+
E16DDI2_PAIR3+F16RSVDG16USB3_LSTXH16GND
E17GNDF17RSVDG17USB3_LSRXH17USB3_AUX-
E18DDI2_DDC_AUX_SELF18RSVDG18USB3_LSTXH18USB3_AUX+
E19DDI2_HPDF19GNDG19PEG_LANE_REV#H19GND
E20GNDF20PCIe32_RX-G20GNDH20PCIe40_TX-
E21PCIe32_TX-F21PCIe32_RX+G21PCIe40_RX-H21PCIe40_TX+
E22PCIe32_TX+F22GNDG22PCIe40_RX+H22GND
E23GNDF23PCIe33_RX-G23GNDH23PCIe41_TX-
E24PCIe33_TX-F24PCIe33_RX+G24PCIe41_RX-H24PCIe41_TX+
E25PCIe33_TX+F25GNDG25PCIe41_RX+H25GND
E26GNDF26PCIe34_RX-G26GNDH26PCIe42_TX-
E27PCIe34_TX-F27PCIe34_RX+G27PCIe42_RX-H27PCIe42_TX+
E28PCIe34_TX+F28GNDG28PCIe42_RX+H28GND
E29GNDF29PCIe35_RX-G29GNDH29PCIe43_TX-
E30PCIe35_TX-F30PCIe35_RX+G30PCIe43_RX-H30PCIe43_TX+
E31PCIe35_TX+F31GNDG31PCIe43_RX+H31GND
E32GNDF32PCIe36_RX-G32GNDH32PCIe44_TX-
E33PCIe36_TX-F33PCIe36_RX+G33PCIe44_RX-H33PCIe44_TX+
E34PCIe36_TX+F34GNDG34PCIe44_RX+H34GND
E35GNDF35PCIe37_RX-G35GNDH35PCIe45_TX-
E36PCIe37_TX-F36PCIe37_RX+G36PCIe45_RX-H36PCIe45_TX+
E37PCIe37_TX+F37GNDG37PCIe45_RX+H37GND
E38GNDF38PCIe38_RX-G38GNDH38PCIe46_TX-
E39PCIe38_TX-F39PCIe38_RX+G39PCIe46_RX-H39PCIe46_TX+
E40PCIe38_TX+F40GNDG40PCIe46_RX+H40GND
E41GNDF41PCIe39_RX-G41GNDH41PCIe47_TX-
E42PCIe39_TX-F42PCIe39_RX+G42PCIe47_RX-H42PCIe47_TX+
E43PCIe39_TX+F43GNDG43PCIe47_RX+H43GND
E44GNDF44PCIe16_RX-G44GNDH44PCIe24_TX-
E45PCIe16_TX-F45PCIe16_RX+G45PCIe24_RX-H45PCIe24_TX+
E46PCIe16_TX+F46GNDG46PCIe24_RX+H46GND
E47GNDF47PCIe17_RX-G47GNDH47PCIe25_TX-
E48PCIe17_TX-F48PCIe17_RX+G48PCIe25_RX-H48PCIe25_TX+
E49PCIe17_TX+F49GNDG49PCIe25_RX+H49GND
E50GNDF50PCIe18_RX-G50GNDH50PCIe26_TX-
E51PCIe18_TX-F51PCIe18_RX+G51PCIe26_RX-H51PCIe26_TX+
E52PCIe18_TX+F52GNDG52PCIe26_RX+H52GND
E53GNDF53PCIe19_RX-G53GNDH53PCIe27_TX-
E54PCIe19_TX-F54PCIe19_RX+G54PCIe27_RX-H54PCIe27_TX+
E55PCIe19_TX+F55GNDG55PCIe27_RX+H55GND
E56GNDF56PCIe20_RX-G56GNDH56PCIe28_TX-
E57PCIe20_TX-F57PCIe20_RX+G57PCIe28_RX-H57PCIe28_TX+
E58PCIe20_TX+F58GNDG58PCIe28_RX+H58GND
E59GNDF59PCIe21_RX-G59GNDH59PCIe29_TX-
E60PCIe21_TX-F60PCIe21_RX+G60PCIe29_RX-H60PCIe29_TX+
E61PCIe21_TX+F61GNDG61PCIe29_RX+H61GND
E62GNDF62PCIe22_RX-G62GNDH62PCIe30_TX-
E63PCIe22_TX-F63PCIe22_RX+G63PCIe30_RX-H63PCIe30_TX+
E64PCIe22_TX+F64GNDG64PCIe30_RX+H64GND
E65GNDF65PCIe23_RX-G65GNDH65PCIe31_TX-
E66PCIe23_TX-F66PCIe23_RX+G66PCIe31_RX-H66PCIe31_TX+
E67PCIe23_TX+F67GNDG67PCIe31_RX+H67GND
E68GNDF68RSVDG68GNDH68RSVD
E69RSVDF69RSVDG69RSVDH69RSVD
E70RSVDF70GNDG70RSVDH70GND
E71RSVDF71NBASET1_MDI0-G71GNDH71CSI1_RX0-
E72RSVDF72NBASET1_MDI0+G72CSI0_RX0-H72CSI1_RX0+
E73RSVDF73GNDG73CSI0_RX0+H73GND
E74RSVDF74NBASET1_MDI1-G74GNDH74CSI1_RX1-
E75RSVDF75NBASET1_MDI1+G75CSI0_RX1-H75CSI1_RX1+
E76RSVDF76GNDG76CSI0_RX1+H76GND
E77RSVDF77NBASET1_MDI2-G77GNDH77CSI1_RX2-
E78NBASET1_CTREFF78NBASET1_MDI2+G78CSI0_RX2-H78CSI1_RX2+
E79NBASET1_SDPF79GNDG79CSI0_RX2+H79GND
E80NBASET1_LINK_MID#F80NBASET1_MDI3-G80GNDH80CSI1_RX3-
E81NBASET1_LINK_ACT#F81NBASET1_MDI3+G81CSI0_RX3-H81CSI1_RX3+
E82NBASET1_LINK_MAX#F82GNDG82CSI0_RX3+H82GND
E83GNDF83RSVDG83GNDH83CSI1_CLK-
E84RSVDF84RSVDG84CSI0_CLK-H84CSI1_CLK+
E85RSVDF85GNDG85CSI0_CLK+H85GND
E86GNDF86ETH0_TX-G86GNDH86CSI1_I2C_CLK
E87ETH0_RX-F87ETH0_TX+G87CSI0_I2C_CLKH87CSI1_I2C_DAT
E88ETH0_RX+F88GNDG88CSI0_I2C_DATH88CSI1_MCLK
E89GNDF89ETH1_TX-G89CSI0_MCLKH89CSI1_RST#
E90ETH1_RX-F90ETH1_TX+G90CSI0_RST#H90CSI1_ENA
E91ETH1_RX+F91GNDG91CSI0_ENAH91GND
E92GNDF92PCIe_REFCLK2-G92GNDH92PCIe_REFCLKIN0-
E93PCIe_REFCLK1-F93PCIe_REFCLK2+G93RSVDH93PCIe_REFCLKIN0+
E94PCIe_REFCLK1+F94GNDG94RSVDH94GND
E95GNDF95RSVDG95GNDH95PCIe_REFCLKIN1-
E96PCIe_CLKREQ1#F96ETH0_1_PRSNT#G96ETH0_1_I2C_CLKH96PCIe_REFCLKIN1+
E97PCIe_CLKREQ2#F97ETH0_1_PHY_RST#G97ETH0_1_I2C_DATH97GND
E98PCIe_CLKREQ_OUT0#F98ETH0_SDPG98ETH0_1_PHY_INT#H98ETH0_1_MDIO_CLK
E99PCIe_CLKREQ_OUT1#F99ETH1_SDPG99ETH0_1_INT#H99ETH0_1_MDIO_DAT
E100PCIe_PERST_IN0#F100PCIe_PERST_IN1#G100PCIe_WAKE_OUT0#H100PCIe_WAKE_OUT1#
# 5.5. PCIe x16 Slot The example below illustrates the interface or usage of each connectors/jumper. # PCle 16-31: Group 1 Lanes 16:31 assigned PClex16 Slot slikscreen interface from module or IC on carrier more information PCIe 16-31: Group 1 Lanes 16:31 assigned PCIex16 slot, supporting up to Gen5 speeds, depending on the module specifications. ![Front view of a computer RAM module with memory slots and indicator lights (no text or symbols visible)](.com-hpc-client-base-manual-50m-77108-1000-01/34ad25a31e79eed86fcb59f4ab6b754a675db652c802f304f129d3696bde80f8.jpg)
PinSignalPinSignal
B1+ 12VA1PRSNT
B2+ 12VA2+ 12V
B3+ 12VA3+ 12V
B4GNDA4GND
B5SMB_CLKA5JTAG
B6SMB_DATA6JTAG
B7GNDA7JTAG
B8+3.3VA8JTAG
B9JTAGA9+ 3.3V
B10+ 3.3VAUXA10+ 3.3V
B11WAKE#A11PERST#
B12RSVDA12GND
B13GNDA13REFCLK+
B14PETp0A14REFCLK-
B15PETn0A15GND
B16GNDA16PERp0
B17PRSNTA17PERn0
PinSignalPinSignal
B22GNDA22PERn1
B23PETp2A23GND
B24PETn2A24GND
B25GNDA25PERp2
B26GNDA26PERn2
B27PETp3A27GND
B28PETn3A28GND
B29GNDA29PERp3
B30RSVDA30PERn3
B31PRSNTA31GND
B32GNDA32RSVD
B33PETp4A33RSVD
B34PETn4A34GND
B35GNDA35PERp4
B36GNDA36PERn4
B37PETp5A37GND
B38PETn5A38GND
PinSignalPinSignal
B43GNDA43PERp6
B44GNDA44PERn6
B45PETp7A45GND
B46PETn7A46GND
B47GNDA47PERp7
B48PRSNTA48PERn7
B49GNDA49GND
B50PETp8A50RSVD
B51PETn8A51GND
B52GNDA52PERp8
B53GNDA53PERn8
B54PETp9A54GND
B55PETn9A55GND
B56GNDA56PERp9
B57GNDA57PERn9
B58PETp10A58GND
B59PETn10A59GND
B18GNDA18GND
B19PETp1A19RSVD
B20PETn1A20GND
B21GNDA21PERp1
B64GNDA64PERp11
B65GNDA65PERn11
B66PETp12A66GND
B67PETn12A67GND
B68GNDA68PERp12
B69GNDA69PERn12
B70PETp13A70GND
PinSignalPinSignal
B39GNDA39PERp5
B40GNDA40PERn5
B41PETp6A41GND
B42PETn6A42GND
B71PETn13A71GND
B72GNDA72PERp13
B73GNDA73PERn13
B74PETp14A74GND
B75PETn14A75GND
B76GNDA76PERp14
B77GNDA77PERn14
PinSignalPinSignal
B60GNDA60PERp10
B61GNDA61PERn10
B62PETp11A62GND
B63PETn11A63GND
B78PETp15A78GND
B79PETn15A79GND
B80GNDA80PERp15
B81PRSNTA81PERn15
B82RSVDA82GND
# 5.6. PCIe x4 Slot PCIE0-3: Group 0 Low Lanes 0:3 assigned PCIex4 slot PCIE12-15: Group 0 High Lanes 12:15 assigned PCIex4 slot Open-ended slot ![This is a top-down illustration of a split keyboard featuring a grey chassis and black keycaps. The keys are arranged in two distinct rectangular clusters separated by a vertical gap in the center. Each cluster contains five rows of keys. Small circular details are visible along the bottom edge of the frame, with the second-to-last circle on the right appearing greenish. There is a small rectangular protrusion on the far left edge. No text is visible on the keyboard.](.com-hpc-client-base-manual-50m-77108-1000-01/8812f0dea2b71b7dddf6d5c568970620bf0ba8b3c0f7379c17e9d147a0d05585.jpg)
PinSignalPinSignal
B1+12VA1PRSNT
B2+12VA2+12V
B3+12VA3+12V
B4GNDA4GND
B5SMB_CLKA5JTAG
B6SMB_DATA6JTAG
B7GNDA7JTAG
B8+3.3VA8JTAG
PinSignalPinSignal
B12RSVDA12GND
B13GNDA13REFCLK+
B14PETp0A14REFCLK-
B15PETn0A15GND
B16GNDA16PERp0
B17PRSNTA17PERn0
B18GNDA18GND
B19PETp1A19RSVD
PinSignalPinSignal
B23PETp2A23GND
B24PETn2A24GND
B25GNDA25PERp2
B26GNDA26PERn2
B27PETp3A27GND
B28PETn3A28GND
B29GNDA29PERp3
B30RSVDA30PERn3
B9JTAGA9+3.3V
B10+3.3VAUXA10+3.3V
B11WAKEA11PERST#
PinSignalPinSignal
B20PETn1A20GND
B21GNDA21PERp1
B22GNDA22PERn1
PinSignalPinSignal
B31PRSNTA31GND
B32GNDA32RSVD
# 5.7. PCIe x1 Slot PCIE5: Group 0 Low Lanes 5 assigned PCIex1 slot PCIE6: Group 0 Low Lanes 6 assigned PCIex1 slot PCIE7: Group 0 Low Lanes 7 assigned PCIex1 slot Open-ended slot (to be phased in later) ![The image displays a black-and-white schematic line drawing of a rectangular electronic device, resembling a server rack or network appliance. It features rows of vertical slats running along the top and bottom edges. In the center, there are two horizontal rectangular panels; the left panel is significantly wider than the right panel. On the far left edge, a small vertical rectangle suggests a handle or latch, while the far right edge features a cluster of small circles, likely representing indicator lights. There is no text in the image.](.com-hpc-client-base-manual-50m-77108-1000-01/57285230bb571202ac370d4021af82ab8115f0b4a2c7b586791fb5986b9d67e4.jpg)
PinSignalPinSignal
B1+12VA1PRSNT
B2+12VA2+12V
B3+12VA3+12V
B4GNDA4GND
B5SMB_CLKA5JTAG
B6SMB_DATA6JTAG
B7GNDA7JTAG
B8+3.3VA8JTAG
B9JTAGA9+3.3V
B10+3.3VAUXA10+3.3V
B11WAKEA11PERST#
PinSignalPinSignal
B12RSVDA12GND
B13GNDA13REFCLK+
B14PETp0A14REFCLK-
B15PETn0A15GND
B16GNDA16PERp0
B17PRSNTA17PERn0
B18GNDA18GND
B19PETp1A19RSVD
B20PETn1A20GND
B21GNDA21PERp1
B22GNDA22PERn1
PinSignalPinSignal
B23PETp2A23GND
B24PETn2A24GND
B25GNDA25PERp2
B26GNDA26PERn2
B27PETp3A27GND
B28PETn3A28GND
B29GNDA29PERp3
B30RSVDA30PERn3
B31PRSNTA31GND
B32GNDA32RSVD
# 5.8. M.2 M-KEY M2\_M: Group 0 High Lanes 8-11 assigned M.2 slot Up to 22110 M.2 dimension ![The image displays a vertical label with two distinct sections. On the left is a black vertical bar featuring the white text 'M.2' oriented vertically, reading from bottom to top. To its right is a white vertical bar containing a black vertical barcode pattern.](.com-hpc-client-base-manual-50m-77108-1000-01/91815e501552b87bf7c6917183e9538c5f86a4d3405559623a9a8908bbd2e929.jpg)
PinSignalPinSignal
1CONFIG2+3.3V
3GND4+3.3V
5PERn36N.C
7PERp38N.C
9GND10DAS/DSS#
11PETn312+3.3V
13PETp314+3.3V
15GND16+3.3V
17PERn218+3.3V
19PERp220N.C
21CONFIG22N.C
23PETn224N.C
PinSignalPinSignal
25PETp226N.C
27GND28N.C
29PERn130N.C
31PERp132N.C
33GND34N.C
35PETn136N.C
37PETp138DEVSLP
39GND40N.C
41PERn042N.C
43PERp044N.C
45GND46N.C
47PETn048N.C
PinSignalPinSignal
49PETp050PETST#
51GND52CLKREQ#
53REFCLKN54PEWAKE#
55REFCLKP56N.C
57GND58N.C
67N.C68SUSCLK
69CONFIG70+3.3V
71GND72+3.3V
73GND74+3.3V
75CONFIG
# 5.9. M.2 E-KEY M2\_E: PCIe Group 0, Low Lane 4, and USB2 port 6 assigned Up to 2230 M.2 dimension ![The image displays a vertical graphic resembling a stylized QR code. On the left side, a solid black vertical bar runs the length of the image. Centered within this bar is the white text 'M.2', oriented vertically with the 'M' at the top, a dot in the middle, and the '2' at the bottom. To the right of the black bar is a grid of black and white squares representing the QR code data, with two visible square-in-square finder patterns on the far right side.](.com-hpc-client-base-manual-50m-77108-1000-01/b4d59d75a02eb3c0e8739e2a5628145d3461127c3b21a74e1217e81e279f45a8.jpg)
PinSignalPinSignal
1GND2+3.3V
3USB_D+4+3.3V
5USB_D-6LED_1#
7GND8N.C
9N.C10N.C
11N.C12N.C
13N.C14N.C
15N.C16N.C
17N.C18GND
19N.C20N.C
21N.C22N.C
23N.C
PinSignalPinSignal
32N.C33GND
34N.C35PETp0
36N.C37PETn0
38N.C39GND
40N.C41PERp0
42N.C43PERn0
44N.C45GND
46N.C47REFCLKp0
48N.C49REFCLKn0
50SUSCLK51GND
52PERST0#53CLKREQ0#
54W_DISABLE2#55PWAKE0#
PinSignalPinSignal
56W_DISABLE1#57GND
58I2C_DATA59N.C
60I2C_CLK61N.C
62ALERT#63GND
64N.C65N.C
66N.C67N.C
68N.C69GND
70N.C71N.C
72+3.3V73N.C
74+3.3V75GND
# 5.10. DisplayPort / HDMI HDMI/DP Combo connector at Rear I/O • HDMI\_DDI0: DDI0 channel assigned • DP\_DDI1: DDI1 channel assigned (DP++ feature depends on the module specifications) Vertical DP connector at Rear I/O • DP\_DDI2: DDI2 channel assigned # 5.11. eDP / DSI eDP/DSI: 4 lanes eDP/DSI signal assigned 40-pin connectors ![This image displays a simple, cartoon-style illustration of a wooden fence section. It features three horizontal yellow rails stacked vertically. These rails are supported by vertical posts positioned at the far left, center, and far right. The entire structure is outlined in black, with the horizontal rails and vertical posts colored yellow and shaded with orange on their ends. There is no text in the image.](.com-hpc-client-base-manual-50m-77108-1000-01/966607370bcde0d1f728468febb7b043f16f84554701c74de681535a318b0412.jpg) eDP or DSI depends on the module specifications
PinSignalPinSignal
1N.C2+12V
3+12V4+12V
5+12V6N.C
7N.C8BKL_CTRL
9BKL_ENABLE10GND
11GND12GND
13GND14HPD
15GND16GND
17GND18GND
19N.C20+3.3V
21+3.3V22+3.3V
23+3.3V24GND
PinSignalPinSignal
25AUX_N26AUX_P
27GND28eDP_LANE0_P
29eDP_LANE0_N30GND
31eDP_LANE1_P32eDP_LANE1_N
33GND34eDP_LANE2_P
35eDP_LANE2_N36GND
37eDP_LANE3_P38eDP_LANE3_N
39GND40N.C
![The image displays a simple icon resembling a document or file. It features a thick red outline of a rectangular piece of paper with the top-right corner folded down (a 'dog-ear'). Inside the white interior, there are two horizontal red lines centered vertically, resembling text lines.](.com-hpc-client-base-manual-50m-77108-1000-01/864cfd8a9d5f68bde431747cf96f2ee41aaebceaac92796c4f694a04bdbd8708.jpg) Note: Pins 2, 3, 4, and 5 supply 12V for backlight power. # PANEL\_PWR: power for eDP/DSI panel 6-pin headers
PinSignalPinSignal
1+3.3V2+3.3V
3+3.3V4+3.3V
5GND6GND
![The image displays a vertical column of four horizontal ovals stacked on top of each other. Inside each oval are two small squares positioned side-by-side. In the top three ovals, both squares are white with black outlines. In the bottom oval, the left square is white with a black outline, while the right square is solid black.](.com-hpc-client-base-manual-50m-77108-1000-01/3b34365c218e1223a3ca087e017a576781cdd79c6bd2fe5107e4765882cfb3d7.jpg) JP28: panel power setting
JumperStatus
1-23.3V (default)
2-35V
JP29: backlight power setting
JumperStatus
1-212V (default)
2-35V
# 5.12. Audio HDA Audio: HDA/I2S assigned at Rear I/O 3-in-1 audio jack HDA/I2S depends on the audio codec and module specifications Audio function is not enabled in this version
ColorSignal
BLUELINE-IN
GREENLINE-OUT
PINKMIC-IN
![A vertical grey rectangular panel features three circular lights stacked vertically. The top light is blue, the middle light is green, and the bottom light is pink, each containing a black circle in its center.](.com-hpc-client-base-manual-50m-77108-1000-01/337d2a3262877887ff048ab58d8ee43d038976aacfad1bd0ea125e3ac70f86e5.jpg) # 5.13. Audio SNDW SNDW0: SNDW0 signal assigned SNDW1: SNDW1 signal assigned Audio function is not enabled in this version ![The image is a black-and-white line drawing featuring a horizontal rectangular box. Inside the box, there are five geometric shapes arranged in a row. On the far left is a small square, followed by four circles of uniform size spaced evenly to its right.](.com-hpc-client-base-manual-50m-77108-1000-01/6dbeafc61fdcaf1aebcdd9edb6c5a312f9a3bd1c36457d998ff3ee411a224e79.jpg)
PinSignalPinSignal
1+5V2+3.3V
3+1.8V4SNDW_CLK
5SNDW_DATA6GND
# 5.14. Ethernet NBASE-T 2-in-1 Ethernet Connector at Rear I/O ETH\_0: NBASET\_0 assigned (lower one) ETH\_1: NBASET\_1 assigned (upper one) Up to 10GbE, depending on the module specifications ![The image displays a schematic diagram of a dual-port faceplate or wall plate. It features two large black connector cutouts arranged vertically, separated by a thin horizontal grey line. In the upper section, a lime green square is positioned at the top left and a light blue square is at the top right. In the lower section, the layout is mirrored, with a light blue square at the bottom left and a lime green square at the bottom right.](.com-hpc-client-base-manual-50m-77108-1000-01/bd1b958c8a15557d22b9ea6299295de7ee4697207ea9e72e689973f31f462dc4.jpg)
LED FunctionLED ColorLED StateDescription
SpeedGreen/YellowGreenA speed lower than what the maximum speed that the Ethernet controller of module is capable of.
YellowThe maximum speed that the Ethernet controller of Module is capable of
Status & ActivityYellowOffNo link
Steady OnLink established, no activity detected
BlinkingLink established, activity detected
# 5.15. CSI Camera Serial Interface CSI0: TBD-pin connector: CSI\_0 assigned CSI1: TBD-pin connector: CSI\_1 assigned CSI function is not enabled in this version ![The image displays a simple, schematic line drawing of a bowl or dish. It features a long, horizontal grey rectangle at the top, which sits above a white, trapezoidal shape outlined in black that tapers downward. A thin black horizontal line runs along the very bottom edge of the drawing.](.com-hpc-client-base-manual-50m-77108-1000-01/4bfea6e38fa739cfd21c9f636843ac8f9df90e92a70efc2551e2da4bc719fb0c.jpg) # 5.16. USB USB Type-A / Type-C Combo connector at Rear I/O • USBA\_HUB: 1x USB3.x/2.0 from USB Hub assigned, Type-A connector, up to 10Gbit/s • USBC\_USB0: USB\_0 assigned, Type-C connector, USB4 capable USB\_0 consists of USB4/3.x SSTX/RX pairs from port 0, USB2.0 D+/D- from port 0 and sidebands USB4 at Type-C depends on module specification. It is implemented by USB\_0 from module and PD/Re-timer on carrier board ![This image displays a flat, digital icon of a piece of office equipment, likely a printer or fax machine. It features two main sections: a top panel with a dark grey border containing a bright blue horizontal bar and three small white buttons below it, and a lower panel with rounded corners containing five white, pill-shaped slots arranged horizontally.](.com-hpc-client-base-manual-50m-77108-1000-01/c68daab28ab48be5a4a29c2f4bf0d235e7591cfaa81e96bb6e1ace8d4709b16a.jpg) USB Type-A / Type-C Combo connector at Rear I/O • USBA\_HUB: 1x USB3.x/2.0 from USB Hub assigned, Type-A connector, up to 10Gbit/s • USBC\_USB1: USB\_1 assigned, Type-C connector, USB4 capable USB\_1 consists of USB4/3.x SSTX/RX pairs from port 1, USB2.0 D+/D- from port 1 and sidebands USB4 at Type-C depends on module specification. It is implemented by USB\_1 from module and PD/Re-timer on carrier board ![A low-resolution pixelated icon depicting a grey office machine, likely a fax machine. The top section features a light grey screen with a bright blue horizontal bar in the center and three small, dark grey buttons below it. The bottom section shows a paper tray or output slot with a dark grey border containing three light blue, pill-shaped rectangles.](.com-hpc-client-base-manual-50m-77108-1000-01/049eb129c039526c0437fad3736d534ed8c9210617b16354ee148f6991d82422.jpg) USB Type-A 2-in-1 connector at Rear I/O • USB\_4: USB\_4 assigned, Type-A connector, up to USB2.0 speed • USB\_5: USB\_5 assigned, Type-A connector, up to USB2.0 speed ![The image is a vertical graphic resembling a filing cabinet or server rack. It features a light grey rectangular frame set against a dark grey background. Inside the frame are two identical horizontal sections stacked vertically. Each section contains a black horizontal bar with a white top edge and three small, light blue rectangles positioned below it. There is no text in the image.](.com-hpc-client-base-manual-50m-77108-1000-01/883527bb7982d3855041c5c5181ceb641bb7ad19059520f5213d4401f44fc8de.jpg) F\_2XUSB\_3.2: 2x USB3.x/2.0 from USB Hub assigned, up to 10Gbit/s Front panel usage, 19-pin, 2.54mm pitch This function is not enabled in this version ![The image displays a vertical black bar on the far left. To the right of the bar are two columns of white dots arranged vertically. Above the left column is the text 'L.' and above the right column is the text 'R.'. Each column contains twelve white dots.](.com-hpc-client-base-manual-50m-77108-1000-01/f68bff04d40c23b936226eafb7075f7e3460fce72b33b5c6bd08227d1b4265d0.jpg) F\_2XUSB\_2.0: 2x USB2.0 from USB Hub assigned Front panel usage, 9-pin, 2.54 mm pitch
PinSignalPinSignal
1+5V2+5V
3HUB_USB2_N4HUB_USB1_N
5HUB_USB2_P6HUB_USB1_P
7GND8GND
9GND
![The image displays five black digits arranged horizontally in a row against a white background. The digits are stylized, resembling the number 8.\n\nThe text is: **88888**](.com-hpc-client-base-manual-50m-77108-1000-01/b7e66ee6ff3b83b802e52028b29156e61d22dd8169d5d24e090d51acd9d16d71.jpg) F\_USBE\_USB2: USB\_2 assigned, Type-E connector, up to 10Gbit/s Front panel usage ![The image displays a schematic diagram of an electronic component, resembling an integrated circuit or microcontroller. It features a large, dark grey central rectangle. Above and below this central block are two rows of eight small, white rectangular pins or contacts each. Flanking the central block on the far left and right are black, connector-like structures. The entire component is enclosed within a thin black rectangular border against a white background.](.com-hpc-client-base-manual-50m-77108-1000-01/99c45d2cddc6ffe3fddb77b6b56fbb9a7525b3655a4a54dd6d51a6553586beb4.jpg)
PinSignalPinSignal
1VBUS2USB2_TX0_P
3USB2_TX0_N4GND
5USB2_RX0_P6USB2_RX0_N
7VBUS8PD_CC1
9N.C10N.C
11VBUS12USB2_TX1_P
13USB2_TX1_N14GND
15USB2_RX1_P16USB2_RX1_N
17GND18USB2_USB2.0_N
PinSignalPinSignal
19USB2_USB2.0_P20PD_CC2
# 5.17. GPIO GPIO: GPIO 0-11 signal assigned 14-pin, 2.54mm pitch
PinSignalPinSignal
13.3V2GPIO_06
3GPIO_002GPIO_07
5GPIO_014GPIO_08
7GPIO_026GPIO_09
9GPIO_038GPIO_10
11GPIO_0410GPIO_11
13GPIO_0512GND
![The image displays a horizontal row of eight black, rounded rectangular shapes against a white background, with a black bar running along the very top edge. Inside each black shape are white elements arranged in a vertical column. The first five shapes from the left and the last two shapes each contain three small white dots stacked vertically. The sixth shape from the left contains a top white dot, a middle white square, and a bottom white dot.](.com-hpc-client-base-manual-50m-77108-1000-01/efe7b83b6f35c4102531ae0de7922ea98056807ea72901ceea48fdb756ece8d6.jpg) # 5.18. I2C I2C0: I2C0 bus assigned, 3.3V, 4-pin, 2.54mm pitch I2C1: I2C1 bus assigned, 1.8V, 4-pin, 2.54mm pitch
PinSignalPinSignal
1+3.3V (for I2C0) +1.8B (for I2C1)2I2C_DATA
3I2C_CLK4GND
![The image shows a black horizontal rectangle with rounded corners (a pill shape) containing four small white dots arranged in a straight, evenly spaced horizontal line.](.com-hpc-client-base-manual-50m-77108-1000-01/44ed0744f512ca8af3f2cb74846e13213ef1fe5fe94b3ce83aacde17dcffc35a.jpg) # 5.19. UART / COM COM1\_SER0: UART0 signal assigned, 2.0mm pitch COM2\_SER1: UART1 signal assigned, 2.0mm pitch
PinSignalPinSignal
1N.C2N.C
3UART_RX4UART_RTS
5UART_TX6UART_CTS
7N.C8N.C
9GND10N.C
![The image displays a black rectangle containing six white dots arranged in two rows of three. The rectangle is framed by a thin white border against a white background. A small white horizontal line is visible at the top center, and a faint vertical white line runs along the left side of the black rectangle.](.com-hpc-client-base-manual-50m-77108-1000-01/667f8ddaa29488127789285fb28da4a1bdfa712357fa6b6823b6cc13e6c32dab.jpg) COM3: UART from Super I/O signal assigned, 2.0mm pitch COM4: UART from Super I/O signal assigned, 2.0mm pitch
PinSignalPinSignal
1DCD2DSR
3RX4RTS
5TX6CTS
7DTR8RI
9GND10N.C
![The image displays a black rectangular box with a thin white border. Inside the black area, there are twelve white dots arranged in three horizontal rows of four dots each. Above the top row of dots, centered horizontally, is a small, solid white horizontal rectangle.](.com-hpc-client-base-manual-50m-77108-1000-01/1ce0ff5efd3b79cf1e9dacffa5f0c51514a156a67ebf349205a5630dabf0874d.jpg) JP42/JP41: selection of RS232/RS485/RS422 mode for COM3
ModeJP42JP41
RS232 (default)2-31-2
RS4851-22-3
RS4221-21-2
![The image features a small, horizontal rectangular object with a rounded left edge, enclosed within a black square border. The object is divided vertically into two sections. The left section is light gray and contains a single small black square in its center. The right section is black and features two small white dots arranged horizontally. A thin vertical black line separates the two sections.](.com-hpc-client-base-manual-50m-77108-1000-01/f5193b4493b612ea77cd8c5fc767b237425a34694fc6239d09312b0f05996bc0.jpg) # 5.20. eSPI Debug Connector ESPI: for eSPI debugging connection purpose
PinSignalPinSignal
1eSPI_CLK2GND
3eSPI_CS04N.C
5CB_RST6+5V
7eSPI_IO_38eSPI_IO_2
9+ 3.3VSB10eSPI_IO_1
11eSPI_IO_012eSPI_ALERT0#
13SMB_CK14SMB_DAT
15+1.8VSB16eSPI_CS1
17eSPI_RST#18N.C
19+5V20eSPI_ALEART1#
![The image displays a vertical column of ten light gray, rounded rectangular shapes resembling checkboxes or buttons. Each shape contains two small squares side-by-side. The top nine shapes feature two empty squares with black outlines, while the bottommost shape features a solid black square on the left and an empty square on the right.](.com-hpc-client-base-manual-50m-77108-1000-01/81252e6c930215e7a7066e90c959e683a0c4e019036d52d2591af64b1e5587cf.jpg) # 5.21. SMB SMBUS: SMBus assigned, 4-pin, 2.54mm pitch
PinSignalPinSignal
1+3.3V2SMB_DATA
3SMB_CLK4GND
![The image displays a black, horizontal pill-shaped rectangle with rounded ends. Inside this black shape, four small white dots are arranged in a single horizontal row. The background surrounding the shape is white.](.com-hpc-client-base-manual-50m-77108-1000-01/74ae53378b37dec5f2f77540a34bca980764ff38a72e7bf66eb46eac5d9a24e3.jpg) # 5.22. FAN Connector MODULE\_FAN: FAN control signals from module assigned, 4-pin
PinSignal
1GND
2+12V_5V_FAN
3SENSE_FAN
4PWMOUT_FAN
![The image displays a simple black-and-white line drawing of a vertical rectangular object, resembling a drawer front or cabinet panel. On the left side, there is a narrow vertical strip. To the right of this strip is a larger rectangular section containing a vertical column of four small squares.](.com-hpc-client-base-manual-50m-77108-1000-01/3c007acd5b62e29ad0d333ed01ff405f83492fdca0e4dd8b3aede74faa06ac39.jpg) SYS\_FAN1: FAN control signals from Super I/O assigned, 4-pin
PinSignal
1GND
2+12V_5V_FAN0
3SENSE_FAN0
4PWMOUT_FAN0
![The image displays a simple black-and-white line drawing. On the left side, there is a vertical rectangle resembling a door, which contains a smaller horizontal rectangle near the top, suggesting a handle. To the right of this door-like shape is a larger vertical rectangle representing a panel or wall. Inside the right portion of this larger rectangle, aligned vertically near the right edge, is a column of four small squares. The topmost square is filled in with solid black, while the three squares beneath it are empty white outlines.](.com-hpc-client-base-manual-50m-77108-1000-01/5f7214897c6d7afdcfe940305077e65aa8cd9900ad0d302ddd3dad14ef825a86.jpg) SYS\_FAN2: FAN control signals from Super I/O assigned, 4-pin
PinSignal
1GND
2+12V_5V_FAN1
3SENSE_FAN1
4PWMOUT_FAN1
![The image is a black-and-white line drawing of a vertical rectangular structure. On the left side, there is a narrow vertical column adjacent to a wider column containing a single horizontal rectangle. To the right of these sections is a larger area containing four small squares arranged in a vertical column. There is no text in the image.](.com-hpc-client-base-manual-50m-77108-1000-01/5a7320f5770b06cfeedd35ad1b7e4902eac1163f0e323bffa715f82e01e17f1d.jpg) # 5.23. Carrier BIOS A SPI BIOS Socket on carrier board • Allow boot-up from the carrier with proper jumper settings. BSEL1/BSEL2/BSEL3: jumpers for module boot-up selection
BESL2BSEL1BSEL0BIOS Boot Select
1-21-21-2Module SPI0/SPI1 (default)
1-21-22-3Carrier SPI0/Module SPI1
1-22-31-2Module SPI0/Carrier SPI1
![The image displays a black-and-white graphic of a stylized electronic component, resembling a microchip or processor. The central element is a large, black, vertically oriented shape with rounded corners and vertical indentations. Two thin white lines run vertically through the center of this black shape, branching slightly near the bottom. Flanking the central shape on both the left and right sides are rectangular columns filled with a grid of small, white square-like shapes against a black background, representing pins or contact points. There is no text in the image.](.com-hpc-client-base-manual-50m-77108-1000-01/657d08b41ce1e915e82f45a2367afa2adcb76f7e27483f48c55335fe2f902be4.jpg) ![The image displays a vertical battery icon with a rounded bottom. The top two-thirds of the icon is black and contains two small white squares arranged vertically. The bottom third is light grey and contains a single square symbol, which appears to be a white square with a black square inside it.](.com-hpc-client-base-manual-50m-77108-1000-01/34c583c3a50f45a14f9a93800d28bd1f8d74591441a7856e492315d18ab2d592.jpg) # 5.24. GP\_SPI GP\_SPI: GP\_SPI assigned, 12-pin, 2.54mm pitch GP\_SPI depends on the module specifications ![The image displays a horizontal row of five identical, vertically oriented, rounded rectangular shapes in grey. Inside each shape, near the top short edge, are two small black dots side-by-side. Near the bottom short edge, centered horizontally, is a small square with a black outline.](.com-hpc-client-base-manual-50m-77108-1000-01/4a131084ed07dfb8d8f996dae2fbe0286f8934d27147747c3bfec27cd7d5cb0e.jpg)
PinSignalPinSignal
1+3.3V2N.C
3GP_SPI_CLK4GP_SPI_MOSI
5GP_SPI_CS2#6GP_SPI_MISO
7GP_SPI_CS3#8GP_SPI_CS0#
9GP_SPI_ALERT#10GP_SPI_CS1#
11N.C12GNG
# 5.25. Front Panel Control Power Button, Reset Button, HDD LED, Power LED for front panel header
PinSignalPinSignal
19N.C20N.C
17N.C18BUZZER
15N.C16N.C
13GND14N.C
11+5VSB12+5V
9N.C10N.C
7SYS_RESET#8GND
5GND6PWR_BTN#
3HDD_LED_N4GND
1HDD_LED_P2+5V
![The image displays a vertical column of calculator buttons arranged in a grid of three columns. The buttons are grey with rounded corners and feature two small circular indentations. The text on the buttons, read from top to bottom and left to right, is:\n\n-, =, (\n7, 8, 9\n4, 5, 6\n1, 2, 3\n(), 0](.com-hpc-client-base-manual-50m-77108-1000-01/9b361d03cd07b31643613dc90bb5118224c8cd319f161b9c14be7239d71104f4.jpg) # 5.26. Other Jumpers JP5: clear CMOS. To clear CMOS, shut down the power and short pin 2 and pin 3 (short VBAT to ground)
JumperBIOS Boot Select
1-2Normal (default)
2-3Clear CMOS
![The image displays a vertical graphic with a rounded bottom edge. The upper section is black and contains two small white squares arranged vertically. The lower section is grey and contains a single white square centered horizontally.](.com-hpc-client-base-manual-50m-77108-1000-01/61a1144937f26f49b8202d62035ea6578ae3250d5332d6c08d67b1880d826b72.jpg) JP43: Enable or Disable Super I/O on carrier board This function is not enabled yet at this version. The Super I/O at this version is always enabled
JumperBIOS Boot Select
1-2TBC
2-3TBC
![The image features a vertical rectangle with rounded corners, resembling a simplified remote or device. It is divided horizontally into a black upper section and a light grey lower section. Three small white squares are aligned vertically down the center: two are positioned within the black section, and one is positioned within the grey section.](.com-hpc-client-base-manual-50m-77108-1000-01/088f6156ab7c473da4ea5f4f7b1c6db901ceae54fbf28b64ff8a6a66e4b310ae.jpg) JP3: Selection of Super I/O address
JumperBIOS Boot Select
1-24Eh
2-32Eh (default)
![The image displays a simple, vertical illustration of a remote control. The device is divided into two sections: the upper portion is black and features two small, white square buttons stacked vertically. The lower portion is grey and contains a single, larger white square button centered near the bottom. The entire object has a rounded rectangular shape with a curved bottom edge.](.com-hpc-client-base-manual-50m-77108-1000-01/546357c79f19801f081e45dcbae77fb386e4a026869adfcf858ce531e21fcf39.jpg) # 5.27. Power Connectors ATX\_24: ATX 24-pin Power Connector Connect the ATX 24-pin (or 20-pin) connector to supply power to COM-HPC Client Base carrier.
PinSignalPinSignal
1+3.3V13+3.3V
2+3.3V14-12V
3GND15COM
4+5V16PWR_ON
5GND17COM
6+5V18COM
7GND19COM
8PWR_GOOD20-5V
9+5VSB21+5V
10+12V22+5V
11+12V23+5V
12+3.3V24COM
![Simple diagram of a door with multiple compartments and a door handle (no text or symbols)](.com-hpc-client-base-manual-50m-77108-1000-01/621407d25420488f9b830e32f0c682778055d3c5214be79f1181b664e63c7cfc.jpg) # ATX\_4: ATX 12V 4-pin Connector. Connect the ATX 12V 4-pin connector to supply power to the COM-HPC Client module.
PinSignal
1GND
2GND
3+12V
4+12V
![The image displays a section of a digital interface, likely from 3D modeling software, featuring a 2x2 grid of light grey geometric shapes on a white background.\n\n* **Left Column:** Two identical squares are stacked vertically.\n* **Right Column:** Two identical shapes are stacked vertically. Each shape consists of a square section on the left and a semi-circle section attached to its right side.\n* **Lines:** Thin black lines separate the quadrants of the grid. A thick black vertical line runs down the far right edge of the image.\n\nThere is no visible text in the image.](.com-hpc-client-base-manual-50m-77108-1000-01/02b20fc304c456348988f108648b530eadf6c224986666407631eb6745dcbad3.jpg) # JP46: selection of 5VSB source for module
JumperModule 5VSBY SOURCE
2-3ATX Power Supply source (default)
3-4DC to DC Power source
1-2None
![The image features a horizontal rectangular graphic resembling a button or toggle switch. The left portion is black and contains two small white dots arranged vertically. The right portion is light gray and features a single small white square centered within it. The rightmost edge of the rectangle is rounded.](.com-hpc-client-base-manual-50m-77108-1000-01/629e9317c4ad836a21d50caa2b34cd7372a032fae78a3f1b8a791221f0da44cf.jpg) # JP45, JP31: selection of power mode AT mode means short PS\_ON# to ground directly to force power on
JP45JP31BIOS Boot Select
1-21-2ATX Mode (default)
2-32-3AT Mode
![A horizontal, rectangular object with a rounded left end. The left section is light gray and contains a small, dark square with a lighter center. The right section is black and features two small white dots.](.com-hpc-client-base-manual-50m-77108-1000-01/f0a78c9c4a4d7d67e95a77d197c75857d88ae55dbe216175e869842f2c797fe6.jpg) # JP44: selection of PS\_ON source, from S3 or from S5
JumperATX Power PS_ON Selection
2-3Source from S5
1-2Source from S3 (default)
![The image displays a close-up of the upper portion of an electronic device. On the left, a light gray section with a rounded edge features a black power symbol, depicted as a square with a white dot inside. To the right, on a black background, three small white dots are arranged in a horizontal row. A thin vertical line is visible on the far right edge.](.com-hpc-client-base-manual-50m-77108-1000-01/201e9be26913d88d07aeb1ad9beca85ab2d27731d55db7bb5a247eadbd985b54.jpg) # 6. Carrier BIOS (need update) The COM-HPC Client Base supports Carrier BIOS, using Boot Serial Peripheral Interface (SPI) for COM-HPC modules. Secondary BIOS solutions can be used as an alternative to the on-module BIOS and provide support for the following: • Testing new BIOS versions • Development of firmware modifications • Recovery if soldered BIOS on module is corrupted To use the BIOS on the module: short pins 1-2 on BESL2, BESL1, BESL0; reference section 5.23 To use the BIOS on the carrier board: short pins 2-3 on BESL0, and keep pin 1-2 on BESL2, BESL1; reference section 5.23 Make sure that the secondary BIOS flash chip has been properly installed into the Carrier BIOS socket before BOOT BIOS adjusting. ![BSEL2\nBSEL1\nSYS_FAN1\nBSEL0\nSATAO\nBSEL1 BSEL0 BIOS Boot Select\n1- 1-2 1-2 Module SPIO/SPI1\n1-2 1-2 2-3 Carrier SPIO/Module SPI1\n1-2 2-3 1-2 Module SPIO/Carrier SPI1](.com-hpc-client-base-manual-50m-77108-1000-01/ba652e888c3473f95aaa72a7c04e04dfed05335387e4d26948ec59b1c553c98c.jpg) # 7. Switches, POST and LEDs # 7.1. Switches There are four switches PWR\_BTN: ATX Power Button PWR\_BTN: Reset Button SLP\_BTN: Sleep Button LID\_BTN: Lid Button Both SLP and LID buttons support COM Express Type 6 modules for ACPI power management behavior setting in an OS environment. # 7.2. POST and inductors LEDs An eSPI-based POST display is added for debugging. The two 7-SEG LEDs shows the actual POST data. A row of mini-LEDs nearby the POST display indicates the following: 5VSB: ATX power attached on standby or active S3: Indicates S3 status PWR\_ON: Indicates power on WDT: Indicates WDT (watchdog timer) activity HDD: Indicates hard drive activity (at M.2 M-key) WIFI: Indicates wireless device activity (at M.2 E-key) # 7.3. ATX Power Connectors The COM-HPC Client Base has one ATX 24-pin connector to supply power to the carrier board and one ATX 12V 4-pin connector to supply power to the COM-HPC module. The system will not power on unless an ATX 12V 4-pin connector is connected. (JP45, JP31 at default setting) ![JP45\n0.22\n180\n25\n0.22\n180\n25\n0.22\n180\n25\nATX_24\nJP46\nJP33\nJP44\nJP46\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP33\nJP44\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP32\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP31\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP30\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP29\nJP28](.com-hpc-client-base-manual-50m-77108-1000-01/8f20da4c36d30972e6e993beef866b75b66bf19a1621e024c10e7ea44e938123.jpg) # 7.4. AT Power Mode To operate the system in AT Mode with an ATX power supply, Refer to section 5.27 jumper settings of JP45, JP31 for details [🔗 Link to the original document](.com-hpc-client-base-manual-50m-77108-1000-01/com-hpc-client-base-manual-50m-77108-1000-01.pdf)