![Close-up of a green printed circuit board with multiple integrated circuits and connectors (no visible text or symbols)](.express-nr-datasheet-en-1/feab14e9f05661ee1c87b9ef7b80f2eaf94b56c01bb9255f1b9cc9d0fa010674.jpg)

# Features

Intel® Core™2 Duo processor (up to 2.1 GHz)
Intel® 945GME / ICH7-M chipset
Dual SODIMM for up to 4 GB DDR2 at 667 MHz
One PCIe® x16, five PCIe® x1 (or one x4)
Single/dual 18/24-bit LVDS, TV-out
SATA, PATA, Gigabit LAN, USB 2.0

# Specifications

Core System

<table><tr><td rowspan="13">CPU</td><td>Merom Core socket type</td></tr><tr><td>Intel® CoreTM2 Duo T7400, 2.16GHz with 4MB L2 cache, 34 W</td></tr><tr><td>Intel® Celeron® M 530, 1.73GHz with 1MB L2 cache, 27 W</td></tr><tr><td>Merom Core BGA type</td></tr><tr><td>Intel® CoreTM2 Duo L7400, 1.5 GHz with 4MB L2 cache, 17 W</td></tr><tr><td>Intel® CoreTM2 Duo U7500, 1.06 GHz with 2MB L2 cache, 10 W</td></tr><tr><td>Yonah Core socket type</td></tr><tr><td>Intel® CoreTM Duo T2500, 2.0 GHz with 2MB L2 cache, 31 W</td></tr><tr><td>Intel® Celeron® M 440, 1.86 GHz with 1MB L2 cache, 27 W</td></tr><tr><td>Yonah Core BGA type</td></tr><tr><td>Intel® CoreTM Duo L2400, 1.66GHz with 2MB L2 cache, 15 W</td></tr><tr><td>Intel® CoreTM Duo U2500, 1.2 GHz with 2MB L2 cache, 9 W</td></tr><tr><td>Intel® Celeron® M 423, 1.06GHz with 1MB L2 cache, 5.5 W</td></tr><tr><td>Memory</td><td>Dual SODIMM sockets supporting dual channel memory, up to 4 GB of non-ECC, 533/667 MHz DDR2</td></tr><tr><td rowspan="2">Chipset</td><td>Intel® 945GME Express Graphics Memory Controller Hub</td></tr><tr><td>Intel® I/O Controller Hub 7 Mobile (ICH7-M DH)</td></tr><tr><td>BIOS</td><td>AMIBIOS®8 with CMOS backup in 8 Mbit SPI flash</td></tr><tr><td>Hardware Monitor</td><td>Supply voltages and CPU temperature</td></tr><tr><td>Watchdog Timer</td><td>Programmable timer ranges to generate RESET</td></tr><tr><td rowspan="4">Expansion Busses</td><td>6 PCI Express x1 (0 – 4 free, 5 occupied by GbE LAN), optional configurable as x4</td></tr><tr><td>Graphics PCI Express x16, or SDVO digital video bus</td></tr><tr><td>32-bit PCI 2.3 at 33MHz, supporting 6 bus masters</td></tr><tr><td>LPC, SMBus,  $I^{2}C$ </td></tr></table>

Video

<table><tr><td>Chipset</td><td>945GME GMCH integrated graphics supports dual independent displays</td></tr><tr><td>VGA Interface</td><td>Analog VGA support up to 2048 x1536 resolution</td></tr><tr><td>LVDS Interface</td><td>Single / Dual channel 18/24-bit</td></tr><tr><td>TV-out</td><td>NTSC/PAL up to 1024x768 resolution, HDTV 480p/720p/1080i/1080p modes supported (without Macrovision)</td></tr></table>

Audio

<table><tr><td>Chipset</td><td>Integrated on Intel® ICH7-M DH</td></tr><tr><td>Audio Codec</td><td>HDA (Azalia) or AC&#x27;97 codec on carrier</td></tr></table>

LAN

<table><tr><td>Chipset</td><td>PCIe type Intel® 82573L</td></tr><tr><td>Interface</td><td>10/100/1000 Mbps</td></tr></table>

Multi I/O

<table><tr><td>Chipset</td><td>Intel® ICH7-M</td></tr><tr><td>IDE (PATA)</td><td>Single channel IDE with UDMA 100 support</td></tr><tr><td>SATA</td><td>Three SATA 1.5 Gb/s ports</td></tr><tr><td>USB</td><td>Up to eight USB 2.0 ports</td></tr></table>

Super I/O

<table><tr><td>Connected to LPC bus on carrier if needed</td></tr></table>

TPM

<table><tr><td>Chipset</td><td>Infineon SLB9635TT1.2 (optional)</td></tr><tr><td>Type</td><td>TPM 1.2</td></tr></table>

Power Specifications

<table><tr><td>Input Power</td><td>AT mode (12 V) and ATX mode (12 V and 5 Vsb)</td></tr><tr><td>Power States</td><td>Supports S0, S1, S3, S4, S5</td></tr><tr><td>Power Consumption</td><td>16 W typical (with CoreTM2 Duo U7500 and 1 GB memory)</td></tr></table>

Mechanical and Environmental

<table><tr><td>Operating Temp.</td><td>0°C to 60°C</td></tr><tr><td>Storage Temp.</td><td>-20°C to 80°C</td></tr><tr><td>Humidity</td><td>Up to 90% at 60°C</td></tr><tr><td>Shock</td><td>15G peak-to-peak, 11ms duration, non-operation</td></tr><tr><td rowspan="2">Vibration</td><td>Non-operating: 1.88 Grms, 5-500 Hz, each axis</td></tr><tr><td>Operating: 0.5 Grms, 5-500 Hz, each axis</td></tr><tr><td>Form Factor</td><td>COM Express® Type 2, Basic form factor, 95 mm x 125 mm</td></tr><tr><td>Certifications</td><td>CE, FCC</td></tr></table>

Operating Systems

<table><tr><td rowspan="4">Standard Support</td><td>Windows® XP 32/64-bit</td></tr><tr><td>Windows® Vista 32/64-bit</td></tr><tr><td>Windows® Server 2003</td></tr><tr><td>Linux® 2.6.x</td></tr><tr><td rowspan="4">Extended Support</td><td>Embedded XP BSP</td></tr><tr><td>WinCE BSP</td></tr><tr><td>Linux® 2.6.x BSP</td></tr><tr><td>AIDI Library for Win32, WinCE and Linux®</td></tr></table>

Functional Diagram
![The block diagram illustrates the architecture of a motherboard system centered around a CPU, GMCH, and ICH.\n\n**Labeled Blocks:**\n*   **CPU**: Contains text 'Celeron® M', 'Core™ Duo', 'Core™2 Duo', 'SMT μFCBGA2 or μFCPGA2'.\n*   **GMCH**: Contains text 'Intel® 945GME'. Internal sub-blocks include 'Analog VGA', 'SDTV HDTV', 'LVDS Dual 18/24-bit', 'Graphic Core 250 MHz', 'PCIe x16 Gfx PCIe x1 or 2x SDVO', 'DDR-2 Memory Controller'.\n*   **DDR2 Memory**: Two blocks labeled 'DDR2 533/667 SODIMM socket' (one is a dashed box).\n*   **ICH**: Contains text 'Intel® ICH7-M DH'. Internal sub-blocks include 'AC97 or HDA Audio', 'Six PCIe x1 lanes', 'RTC', '2x SATA', '8x USB 2.0', 'PATA 1x', 'PCI', 'SMBus', 'SPI', 'LPC'.\n*   **Vertical Buses**: 'AB' (left) and 'CD' (right).\n*   **Peripherals/Other**: 'GbE LAN Intel 82573L', 'BC', 'GPIO', 'LM95235', 'LM87', 'TPM', 'BIOS', 'LPC header'.\n\n**Connections:**\n*   **CPU** connects to **GMCH** via a double arrow labeled 'FSB 533/667 MHz'.\n*   **GMCH** connects to 'Channel A' and the first 'DDR2 533/667 SODIMM socket'.\n*   **GMCH** connects to 'Channel B' and the second 'DDR2 533/667 SODIMM socket' (dashed box).\n*   **GMCH** connects to 'VGA', 'TV-out', and 'LVDS' on the 'AB' bus.\n*   **GMCH** connects to 'PCIe x16 (multiplexed)' on the 'CD' bus.\n*   **GMCH** connects to **ICH** via a double arrow labeled 'DMI'.\n*   **ICH** connects to 'Audio' on the 'AB' bus.\n*   **ICH** connects to 'GbE LAN Intel 82573L' via a line labeled 'PCIe x1, lane 5'.\n*   **ICH** connects to 'PCIe x1, lane 0/1/2/3/4 or PCIe x4' on the 'AB' bus.\n*   **ICH** connects to 'SATA_0/1' on the 'AB' bus.\n*   **ICH** connects to 'USB_0/1/2/3/4/5/6/7' on the 'AB' bus.\n*   **ICH** connects to 'IDE' on the 'CD' bus.\n*   **ICH** connects to 'PCI 33 MHz, v2.3' on the 'CD' bus.\n*   **ICH** internal 'SMBus' connects to 'BC', 'GPIO', 'LM95235', and 'LM87' (via the 'SMBus' label on the 'AB' bus).\n*   **ICH** internal 'SPI' connects to 'BIOS'.\n*   **ICH** internal 'LPC' connects to 'BIOS', 'TPM', and 'LPC header'.\n*   On the 'AB' bus, 'I2C' connects to 'BC'.\n*   On the 'AB' bus, 'GPIO' connects to the 'GPIO' block.\n*   The bottom 'LPC' line on the 'AB' bus connects to 'TPM' and 'LPC header'.](.express-nr-datasheet-en-1/fe7424e13b1908baff8d7774ace83730fa996c701795c688b7853d11bb5ee1b7.jpg)

# Ordering Information

Modules

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td>Express-NR-S</td><td>COM Express® Module with socket for Celeron® M / CoreTM Duo / CoreTM2 Duo processor(for Intel® CoreTM2 Duo T7400 processor at 2.16 GHz or Intel® Celeron® M 440 processor at 1.86 GHz)</td></tr><tr><td>Express-NR-L7400</td><td>COM Express® Module with LV Intel® CoreTM2 Duo L7400 processor at 1.5 GHz</td></tr><tr><td>Express-NR-L2400</td><td>COM Express® Module with LV Intel® CoreTM Duo L2400 processor at 1.66 GHz</td></tr><tr><td>Express-NR-U7500</td><td>COM Express® Module with ULV Intel® CoreTM2 Duo U7500 processor at 1.06 GHz</td></tr><tr><td>Express-NR-423</td><td>COM Express® Module with ULV Intel® Celeron® M 423 processor at 1.06 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-NR-B</td><td>Heatspreader for Express-NR (BGA CPU) with threaded standoffs</td></tr><tr><td colspan="2">Passive Heatsinks</td></tr><tr><td>THS-NR-B</td><td>Low Profile Heatsink for Express-NR (BGA CPU) with threaded standoffs</td></tr><tr><td>THSH-NR-B</td><td>High Heatsink for Express-NR (BGA CPU) with threaded standoffs</td></tr><tr><td colspan="2">Heatsink with Active Cooling</td></tr><tr><td>THSF-NR-S</td><td>High Performance Heatsink with Fan for Express-NR (socket CPU) with threaded standoffs</td></tr></table>
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