![Close-up of a green printed circuit board with multiple integrated circuits and connectors (no visible text or symbols)](.etx-im333-datasheet-23/eed2d9f88d25b55aefb93506a7c45ccd8a2869dc93bd72aaaabe9dfb8e203683.jpg)

# Features

Intel® Pentium® M and Cel eron® M processor
Intel® 855GME / ICH4 chipset
Up to 1 GB DDR 333 Mhz SDRAM
CRT and single/dual 18-bit LVDS
2 IDE PATA), LAN, USB 2.0

# Specifi cations

Core System

<table><tr><td rowspan="9">CPU</td><td>Socket 479 type</td></tr><tr><td>Intel® Pentium® M 760, 2.0 GHz, with 2MB L2 cache</td></tr><tr><td>Intel® Pentium® M 745, 1.8 GHz, with 2MB L2 cache</td></tr><tr><td>Intel® Celeron® M 370, 1.5 GHz, with 512KB L2 cache</td></tr><tr><td>BGA type</td></tr><tr><td>Intel® Pentium® M 738, 1.4 GHz, with 2MB L2 cache</td></tr><tr><td>Intel® Celeron® M 373, 1.0 GHz, with 1MB L2 cache</td></tr><tr><td>Intel® Celeron® M, 1.0 GHz, with zero L2 cache</td></tr><tr><td>Intel® Celeron® M, 600 MHz, with 512 L2 cache</td></tr><tr><td>Memory</td><td>Single SODIMM socket for up to 1 GB DDR at 333 MHz (with or without ECC support)</td></tr><tr><td>Chipset</td><td>Intel® 855GME and Intel® 82801DB I/O Control Hub 4</td></tr><tr><td>BIOS</td><td>Phoenix® Award PnP 8 Mb Flash with console redirection and CMOS EEPROM backup</td></tr><tr><td>Hardware Monitor</td><td>Supply voltages and CPU and system temperature</td></tr><tr><td>Watchdog Timer</td><td>Software programmable 1-255 sec, generates system reset</td></tr><tr><td>Expansion Busses</td><td>32-bit PCI rev. 2.2 and ISA</td></tr></table>

Videoeo

<table><tr><td>Chipset</td><td>Intel® Extreme Graphics 2 (Intel® 855GME chipset)</td></tr><tr><td>CRT Interface</td><td>Analog VGA support up to QXGA 2048 x 1536 resolution</td></tr><tr><td>LVDS Interface</td><td>Dual Channel 18-bit up to 1600 x 1200 resolution</td></tr></table>

Audioio

<table><tr><td>Chipset</td><td>Integrated in Intel® 82801DB Southbridge</td></tr><tr><td>Audio Codec</td><td>VIA VT1616 AC&#x27;97 ver. 2.0 compatible</td></tr><tr><td colspan="2">LAN</td></tr><tr><td>Chipset</td><td>ICH4 integrated Intel® 82562 compatible 32-bit PCI LAN controller</td></tr><tr><td>Interface</td><td>10/100 Mbps with Wake-on-LAN and Alert on LAN support</td></tr></table>

Multi I/O

<table><tr><td>HDD</td><td>Dual channel IDE with UDMA 33 support</td></tr><tr><td>USB</td><td>Four USB 2.0 ports</td></tr><tr><td>Serial</td><td>Two high speed RS-232C ports (COM1/COM2)</td></tr><tr><td>IrDA</td><td>Supports SIR IrDA 1.1 compliant</td></tr><tr><td>Parallel</td><td>SPP, EPP, and ECP mode (pin out shared with FDD)</td></tr><tr><td>FDD</td><td>One drive (pin out shared with LPT)</td></tr><tr><td>Keyboard &amp; Mouse</td><td>One PS/2 keyboard and one PS/2 mouse</td></tr></table>

Power Speci cations

<table><tr><td>Input Power</td><td>AT mode (5 V only) and ATX mode (5 V and 5 Vsb)</td></tr><tr><td>Power States</td><td>SO, S1, S4, S5</td></tr><tr><td>Power Consumption</td><td>17 W typical (with Pentium® M 738 and 1 GB DDR memory)</td></tr></table>

Mechanical and Environmental

<table><tr><td>Operating Temp.</td><td>0° to 60°C</td></tr><tr><td>Storage Temp.</td><td>-20°C to 80°C</td></tr><tr><td>Humidity</td><td>5% to 95% relative humidity, non condensing</td></tr><tr><td>Shock</td><td>15G peak-to-peak, 11ms duration, non-operation</td></tr><tr><td>Vibration</td><td>Non-operation: 1.88 Grms, 5-500 Hz, each axisOperation: 0.5 Grms, 5-500 Hz, each axis</td></tr><tr><td>Form Factor</td><td>ETX® rev. 2.7, size 95 mm x 114 mm</td></tr><tr><td>Certifications</td><td>CE, FCC</td></tr></table>

Operating Systemsstems

<table><tr><td rowspan="4">Standard Support</td><td>Windows® XP 32-bit</td></tr><tr><td>Windows® NT 4.0</td></tr><tr><td>Windows® NT 2K</td></tr><tr><td>Linux® 2.6.x</td></tr><tr><td rowspan="5">Extended Support</td><td>Embedded XP BSP</td></tr><tr><td>Windows® CE 5.0/6.0 BSP</td></tr><tr><td>Linux® 2.6.x BSP</td></tr><tr><td>Vxworks 5.5 BSP</td></tr><tr><td>AIDI I2C Library for Win32, WinCE and Linux®</td></tr></table>

Functional Diagram
![This block diagram illustrates a computer motherboard architecture centered around an Intel chipset.\n\n**Central Processing and Chipset:**\n*   **CPU** (Pentium® M / Celeron® M / Micro-FCBGA / Micro-FCPGA) connects bidirectionally to the **Northbridge** (Intel® 855GME).\n*   The **Northbridge** connects bidirectionally to the **Southbridge** (Intel® ICH4) via the **HUB Interface 1.5**.\n*   The **Northbridge** contains internal blocks: **AGP VGA**, **LVDS 2 ch. 18-bit**, **Digital Video Out**, and **SDRAM DDR Memory Controller (w/ ECC support)**.\n*   The **Southbridge** contains internal blocks: **EIDE ATA**, **Ethernet MAC**, **RTC**, **LPC**, **PCI Controller**, **Audio**, and **USB 2.0**.\n\n**Memory and Storage:**\n*   The **Northbridge** connects to the **DDR 333MHz SODIMM Socket**.\n*   The **Northbridge** connects to **Dual IDE DMA 33**, which in turn connects to the **EIDE ATA** block inside the **Southbridge**.\n\n**Video and Networking:**\n*   The **Northbridge** connects to **CRT** and **LVDS** output blocks.\n*   The **Northbridge** connects to the **Intel Ethernet PHY 82562**.\n*   The **Intel Ethernet PHY 82562** connects to the **Ethernet MAC** block inside the **Southbridge** (via a path involving **I2C** and **EEPROM CMOS Backup**).\n*   Block **X4** connects to **Dual IDE DMA 33**, **Intel Ethernet PHY 82562**, **CRT**, and **LVDS**.\n\n**Peripheral Interfaces (Connectors X1, X2, X3):**\n*   **Southbridge** (via **PCI Controller**) connects via **PCI Bus** to block **X1**.\n*   **Southbridge** (via **Audio**) connects to **VT1616** (AC'97 Codec v2.0), which connects to **X1**.\n*   **Southbridge** (via **USB 2.0**) connects to **4 ports USB 2.0**, which connects to **X1**.\n*   **Southbridge** (via **LPC**) connects to **F85226** (LPC to ISA), which connects to block **X2**.\n*   **Southbridge** (via **LPC**) connects to **Winbond** (LPC Super I/O W83627HF).\n*   **Winbond** connects to **Keyboard**, **Mouse**, **LPT1/FDD**, **COM1**, and **COM2**.\n*   Block **X3** connects to **Keyboard**, **Mouse**, **LPT1/FDD**, **COM1**, and **COM2**.\n\n**System Control:**\n*   **Southbridge** connects to **BIOS** and a **header**.\n*   **Southbridge** connects to **EEPROM CMOS Backup**, which connects to **I2C**.](.etx-im333-datasheet-23/a69a690ae54f06c20bd3c1581d5aeb09d4d6b3b6d24826d313880e31999ca0f5.jpg)

Ordering Information
Modules

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td>ETX-IM333-S</td><td>ETX® Module with socket for Intel® Celeron®/Pentium® M CPU (for Intel® Pentium® M 760 processor at 2.0 GHz or Intel® Pentium® M 745 processor at 1.8 GHz or Intel® Celeron® M 370 processor at 1.5 GHz, with 512KB L2 cache)</td></tr><tr><td>ETX-IM333-C0600</td><td>ETX® Module with ULV Intel® Celeron® M at 600 MHz</td></tr><tr><td>ETX-IM333-C1000</td><td>ETX® Module with LV Intel® Celeron® M 373 at 1.0 GHz</td></tr><tr><td>ETX-IM333-P1400</td><td>ETX® Module with LV Intel® Pentium® M 738 at 1.4 GHz</td></tr></table>

Accessories

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td colspan="2">Heat Spreaders</td></tr><tr><td>HTS-IM333-B</td><td>Heatspreader for ETX-IM333 (for LV and ULV BGA CPU) with threaded standoffs</td></tr><tr><td colspan="2">Passive Heatsinks</td></tr><tr><td>THS-IM333</td><td>Low Profile Heatsink for ETX-IM333 (BGA CPU) with threaded standoffs</td></tr><tr><td colspan="2">Heatsink with Active Cooling</td></tr><tr><td>THSF-IM333-S</td><td>High Performance Heatsink with Fan for ETX-IM333 (socket CPU) with threaded standoffs</td></tr></table>
[🔗 Link to the original document](.etx-im333-datasheet-23/etx-im333-datasheet-23.pdf)