DFI OT905-B Compact Type 2 with AMD Embedded G-Series APU Based / AMD A55E


DFI OT905-B Compact Type 2 with AMD Embedded G-Series APU Based / AMD A55E


  • AMD® Embedded G-Series, AMD® A55E
  • Single channel DDR3 1333MHz SODIMM up to 8GB
  • 1 x VGA, 1 x LVDS
  • Multiple expansion: 6 PCIe x1, 1 x LPC, 1 x IDE, 1 x SMBus
  • Rich I/O: 1 x Intel GbE, 8 x USB 2.0
  • 5-Year CPU Life Cycle Support

Customisation Service

We can configure this device for you to your exact specification. So we can provide you with the best possible service, please let us know a little about your project if you need this service.



DFI’s new COM Express Compact module, the OT905-B series, is one of the few in the industry that is powered by the dual-core AMD® Embedded G-series APUs. It is the perfect solution for applications that require low power and significant graphics performance in a small form factor module.

Ordering Info

OT905-BT40N: AMD® T40N, 1.00GHz, 9W TDP

OT905-BT56N: AMD® T56N, 1.65GHz, 18W TDP


System Integration

Please ask about how we can configure your solution

Global Operations

We ship and support products via offices globally

Full Warranty

Industry leading warranties on all solutions as standard

Technical Support

Experienced engineers are on hand to support your project

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AMD® T56N, 1.65GHz, 2x 512KB L2, 18W TDP, dual-coreAMD® T40N, 1.0GHz, 2x 512KB L2, 9W TDP, dual-core


AMD® A55E Controller Hub


One 204-pin SODIMM up to 8GB, Single Channel DDR3 1333MHz


32Mbit SPI

Graphics Controller AMD Radeon™ HD Graphics

1 x VGA resolution up to 2048×1536@ 60Hz1 x LVDS: dual channel 36/48-bit, resolution up to 1920×1200 @ 60Hz


6 x PCIe x14 x PCI1 x LPC1 x SMBus1 x IDE

Audio Interface

HD Audio

Ethernet Controller 1 x Intel® 82574L PCIe (10/100/1000Mbps)

8 x USB 2.0


4 x SATA 3.0 (up to 6Gb/s) RAID 0/1/5/10


1 x 8-bit DIO

Watchdog Timer

Output & Interval – System Reset, Programmable via Software from 1 to 255 Seconds

TPM Security

Available Upon Request

Power Type

12V, 5VSB, VCC_RTC (ATX mode)12V, VCC_RTC (AT mode)

Power Consumption 17.21W with T40N at 1.0GHz and 1 x 2GB DDR3 SODIMM
OS Support

Windows XP Professional x86 & SP3 (32-bit)Windows XP Professional x64 & SP2 (64-bit)Windows XP Professional x64 & SP2 (64-bit)Windows 7 Ultimate x86 & SP1 (32-bit)Windows 7 Ultimate x64 & SP1 (64-bit)

Operating Temperature

0 to 60°C

Storage Temperature -40 to 85°C
Operating Humidity

10 to 90% RH

Storage Humidity

10 to 90% RH


COM Express® Basic 95mm (3.74″) x 125mm (4.9″)


PICMG COM Express® R2.0, Type 2

Certifications CE, FCC, RoHS, UL