![Close-up of a green printed circuit board with multiple electronic components and connectors (no readable text or symbols)](.express-iw400-datasheet-8/6790e32b176e9ab68f5e8029a1cac3da1ccbd8e153ca5ae9574cc936dfbd9695.jpg)

# Features

Intel® Pentium® M and Celeron® M Processor
Two PCI Express® x4 or one x8 with EDMA
Two vertical or one horizontal SO-RDIMM sockets for DDR2 400 with ECC
Intel® 82573 GbE LAN
USB 2.0, Serial ATA and IDE support
Standard size PICMG® COM.0 COM Express™ Module Type 2

# Specifi cations

Core System

<table><tr><td rowspan="7">CPU</td><td>Intel® CoreTM2 Duo T7400, 2.16GHz, 4MB L2 cache, 34 W</td></tr><tr><td>Socket type</td></tr><tr><td>Intel® Pentium® M 745 at 1.8 GHz, 2MB L2 cache, 21W</td></tr><tr><td>Intel® Celeron® M 370 at 1.5 GHz, 1MB L2 cache, 21 W</td></tr><tr><td>BGA type</td></tr><tr><td>Intel® Pentium® M 738 at 1.4 GHz, 2MB L2 cache, 10W</td></tr><tr><td>Intel® Celeron® M 373 at 1.0 GHz, 512KB L2 cache, 5.5 W</td></tr><tr><td rowspan="3">Memory</td><td>Single channel registered ECC DDR2 at 400MHz up to 4 GB</td></tr><tr><td>Option 1: one horizontal SODIMM socket, max. 2 GB</td></tr><tr><td>Option 2: two vertical SODIMM sockets, max. 4 GB</td></tr><tr><td>Chipset</td><td>Intel® 3100 single integrated chip (Memory Controller Hub + I/O Controller Hub)</td></tr><tr><td>BIOS</td><td>AMIBIOS8 in 512 kB FWH with console redirection and CMOS EEPROM backup</td></tr><tr><td>Hardware Monitor</td><td>Supply voltages and CPU temperature</td></tr><tr><td>Watchdog Timer</td><td>Two stage watchdog timer</td></tr><tr><td rowspan="5">Expansion Busses</td><td>One PCIe x8 lane configurable as two PCIe x4 lanes</td></tr><tr><td>Four PCIe x1 lanes (one occupied by onboard GbE)</td></tr><tr><td>32-bit PCI rev 2.3 at 33MHz</td></tr><tr><td>LPC bus</td></tr><tr><td>SMBus / I2C</td></tr></table>

Videoo

<table><tr><td>On carrier</td><td>Optional VGA support needs to be added on PCI or PCIe bus on carrier</td></tr></table>

LAN

<table><tr><td>Chipset</td><td>PCIe type Intel® 82573</td></tr><tr><td>Interface</td><td>10/100/1000BASE-T IEEE 802.3 compliant</td></tr></table>

Multi I/O

<table><tr><td>Chipset</td><td>Integrated in Intel® 3100</td></tr><tr><td>USB</td><td>Supports up to four USB 2.0 ports, supports legacy keyboard/mouse</td></tr><tr><td>SATA</td><td>Four integrated Serial ATA 150 ports</td></tr><tr><td>PATA IDE</td><td>Single channel IDE for CF card support (SATA to IDE conversion)</td></tr></table>

# Super I/O

Connected to LPC bus on carrier if needed

Power Speci cations

<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>20 W typical (with Pentium® M 738 and 2 GB 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>Up to 90% at 60°C (TBD)</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>COM ExpressTM Type 2, basic form factor, 95 mm x 125 mm</td></tr><tr><td>Certifications</td><td>CE, FCC</td></tr></table>

Operating Systemsg

<table><tr><td rowspan="2">Standard Support</td><td>Windows® XP 32/64-bit</td></tr><tr><td>Linux® 2.6.26 and up</td></tr><tr><td rowspan="3">Extended Support</td><td>Embedded XP BSP</td></tr><tr><td>Linux® 2.6.x BSP</td></tr><tr><td>AIDI I2C Library for Win32 and Linux®</td></tr></table>

Functional Diagram
![**Labeled Blocks:**\n\n*   **CPU**: Celeron® M, Pentium® M, SMT µFCBGA or socket µFCPGA\n*   **MCH + ICH**: Intel® 3100\n    *   DDR2 Memory Controller with ECC\n    *   PCIe with EDMA: One PCIe x 8, Two PCIe x4 or Two PCIe x1\n    *   Four PCIe x1 lanes\n    *   1x SATA\n    *   4x SATA\n    *   4x USB 2.0\n    *   PCI\n    *   LPC\n*   **GbE LAN**: Intel 82573\n*   **RTC**\n*   **LM63**\n*   **BIOS**\n*   **LPC header**\n*   **SATA to PATA**: SiI3811\n*   **IDE**\n*   **DDR2 400 MHz SO-RDIMM socket (horizontal x1)**\n*   **DDR2 400 MHz SO-RDIMM socket (optional 2x vertical)**\n*   **AB** (Vertical bar on the left)\n*   **CD** (Vertical bar on the right)\n\n**Connections:**\n\n*   **CPU** ↔ **MCH + ICH**: 'FSB 400 / 533 Mhz'\n*   **MCH + ICH (DDR2 Memory Controller)** → **DDR2 400 MHz SO-RDIMM socket (horizontal x1)**: 'Channel A'\n*   **MCH + ICH (DDR2 Memory Controller)** → **DDR2 400 MHz SO-RDIMM socket (optional 2x vertical)**: 'Channel A'\n*   **MCH + ICH (PCIe with EDMA)** → **CD**: 'PCIe x8 (or 2 x4, or 2 x1)'\n*   **MCH + ICH (PCI)** → **CD**: 'PCI 33 Mhz, v2.3'\n*   **MCH + ICH (1x SATA)** → **SATA to PATA SiI3811**: 'SATA_0'\n*   **SATA to PATA SiI3811** → **IDE**: 'IDE'\n*   **IDE** → **CD**\n*   **MCH + ICH (PCIe x1, lane 0)** → **GbE LAN Intel 82573**\n*   **GbE LAN Intel 82573** → **AB**\n*   **MCH + ICH (PCIe x1, lane 1/2/3)** → **AB**\n*   **MCH + ICH (SATA_1/2/3/4)** → **AB**\n*   **MCH + ICH (USB_0/1/2/3)** → **AB**\n*   **MCH + ICH (GPIO)** → **AB**\n*   **MCH + ICH (I2C)** → **AB**\n*   **MCH + ICH (SMBus)** → **AB**\n*   **MCH + ICH (LPC)** → **LM63**\n*   **MCH + ICH (LPC)** → **BIOS**\n*   **MCH + ICH (LPC)** → **LPC header**\n*   **LM63** → **AB**: 'LPC'\n*   **MCH + ICH** ↔ **RTC** (Dashed line connection)](.express-iw400-datasheet-8/9afe4eb43cd151418a6c771969de95835c3be6b992a4f3d2c18e6903926da6a6.jpg)

# Ordering Information

Modules

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td>Express-IW400-S</td><td>Server level COM ExpressTM module with socket CPU (for for Intel® Celeron® M 370 processor at 1.5 GHz or Intel® Pentium® M 745 processor at 1.8 GHz)</td></tr><tr><td>Express-IW400V-S</td><td>Server level COM ExpressTM module with socket for CPU and two vertical SO-RDIMM sockets</td></tr><tr><td>Express-IW400-373</td><td>Server level COM ExpressTM module with Celeron® M 373 processor at 1 GHz</td></tr><tr><td>Express-IW400-738</td><td>Server level COM ExpressTM module with Pentium® M 738 processor at 1.4 GHz</td></tr></table>

V-type (Vertical): All modules above are with single horizontal SO-RDIMM socket, except for IW400V type which has two vertical SO-RDIMM sockets

Accessories

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td colspan="2">Heat Spreaders</td></tr><tr><td>HTS-DW400-B</td><td>Heatspreader for Express-IW400 (BGA CPU, horizontal SORDIMM) with threaded standoffs</td></tr><tr><td colspan="2">Heatsink with Active Cooling</td></tr><tr><td>THSF-DW400V-S</td><td>High Performance Heatsink with Fan for Express-IW400 and DW400 (Socket CPU and dual vertical SODIMMs) with threaded standoffs</td></tr><tr><td>THSF-DW400-S</td><td>High Performance Heatsink with Fan for Express-IW400 and DW400 (Socket CPU and single horizontal SODIMM) with threaded standoffs</td></tr></table>
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