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COM Express module has onboard TPM

Jun 24, 2008 — by Jonathan Angel — from the LinuxDevices Archive
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MSC Vertriebs has announced a COM (computer-on-module) targeting image processing or automation. The COM Express-format CXB-CD9455 module has Intel's Celeron M or Core Duo processors, five PCI Express x1 expansion lanes, an onboard TPM (trusted platform module), dual SATA ports, and eight USB ports, says MSC.

(Click here for a larger view of MSC's CXB-CD9455)

Similar to other COM Express modules, the 4.9-by-3.75-inch CXB-CD9455 is designed to attach to a separately available baseboard. As a “Type 2” module, it makes this connection via two surface-mount 220-pin connectors. Expansion capabilities consist of five one-lane PCI Express interfaces, plus a standard 32-bit, 33MHz PCI interface.

The device uses Intel's 945GME northbridge and ICH7DH southbridge, and it has a single 200-pin SODIMM socket that is said to accept up to 2GB of DDR2 memory. Supported processors are Intel's Celeron M 440, clocked at 1.8GHz, or the Core Duo L2400 clocked at 1.66GHz.

Intel's Graphics Media Accelerator 950 circuitry, part of the 945GME, is used to access up to 224MB of shared video RAM, and it can drive dual independent displays. Analog-interfaced CRTs and LVDS-connected LCD screens can each be run with resolution up to 2048 x 1536 pixels, MSC says.

The CXB-CD9455 packs eight USB ports — designed to be the means of attaching a mouse and keyboard, among other things, though the device can boot without either. It also includes an LPC interface, two SATA-2 ports, an enhanced IDE port, and a gigabit Ethernet interface based on Intel's 82573 chip.

In addition to its other capabilities, the CXB-CD9455 is said to provide hardware and BIOS-based security compliant to the requirements of the Trusted Computing Group (TCG). It includes an onboard Infineon SLB9635TT 1.2 [PDF data sheet download] trusted platform module.

Key features and specifications for the CXB-CD9455, as listed by MSC, include:

  • Processor — Celeron M440 clocked at 1.8GHz or Core Duo L2400 clocked at 1.66GHz
  • Memory — 2GB maximum, standard complement not specified
  • Video:
    • Intel GMA 950 chipset with 224MB of possible shared memory
    • Dual-panel display support
    • Supports external PCIe x 16 graphics
    • CRT or LCD resolution up to 2048 x 1536 pixels
  • Audio — Intel high-definition audio, AC '97 compatible
  • Networking — 10/100/1000 Ethernet
  • Other I/O ports:
    • Enhanced UltraDMA 66/100 IDE interface; supports two drives
    • 2 x SATA II ports
    • 1 x IDE
    • 8 x USB 2.0
  • Expansion:

    • PCI Express — 5 x 1-lane
    • 32-bit PCI bus
    • LPC (low pin count) interface
  • Power — +12 V, +5 V standby optional; 20-27W typical consumption
  • Dimensions — 4.9 x 3.75 x 0.5 inches (125 x 95 x 13mm)
  • Operating temperature: 0-60 degrees C
In addition to supporting Linux, the module also targets Windows XP Embedded, according to the company.

Although pricing was not disclosed, the CXB-CD9455 appears to be available now. MSC says that for evaluation and design purposes, it can also supply baseboards that offer standard PC-style connectors.


 
This article was originally published on LinuxDevices and has been donated to the open source community by QuinStreet Inc. Please visit LinuxToday.com for up-to-date news and articles about Linux and open source.

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