Socket 478 Mini-ITX SBC for Mul- AIMB-250 timedia Applications Secondary IDE Primary IDE ATX Power FDD Features  Socket 478 for Intel® Pentium® M processors CPU fan CD In  Memory support DDR 266/333 MHz Audio  Support 10/100/1000 Base T Ethernet System fan  Support 6 USB 2.0 ports  Support 2 COM ports, 1 PCI slot Socket 478  Low profile heatsink with fan watchdog timer & hardware monitoring function USB 4/5 LVDS COM2 PCI KB/Mouse IrDA PS/2 KB/Mouse VGA COM1 GigaLan+USB VGA LPT Display Specifications  Chipset Intel® 855GME chipset integrated LVDS, VGA function  Memory Size Intel® Direct Memory Execution model to use system General memory  CPU Socket 478 Intel® Pentium® M with 1MB L2 cache  Resolution CRT display mode: pixel resolution up to 1600x1200 processor at 1.1GHz~1.7GHz (Banias) LVDS display mode: up to UXGA panel resolution Socket 478 Intel® Pentium® M with 2MB L2 cache processor at 1.5GHz~2.0GHz (Dothan) Mechanical and Environmental  2nd Cache Memory Depends on CPU from 1MB to 2 MB  Dimension (L x W) 170 x 170 mm  System Chipset Intel 855GME + ICH4 Chipsets  Weight 0.35kg  BIOS AWARD 256 KB Flash BIOS  Operating Temperature 0 ~ 60° C (32 ~ 140° F)  System Memory One 184-pin DIMM, support 1GB DDR 266/333  Operating Humidity Operating Humidity 10% ~ 90% relative humidity, SDRAM noncondensing  Power Management APM 1.1  Power Supply Voltage +5 V ±5 %, +12 V ±5 %,-12 V ±5 %  SSD N/A  Power Consumption Max: +5V@ 3.53A, +12V @ 0.16A  Watch Dog Timer 256 level timer interval Typical: +5V @ 2.48A, +12V @ 0.14A  Expansion Interface 1 x PCI (Pentium 1.7G with 256MB DDR 266)  Battery Lithium 3 V/220 mAH I/O  I/O Interface 2 x EIDE ( supports ATA-100/66/33 IDE devices), 1 x FDD, 1 x K/B, 1 x mouse, 2 x RS-232, 1 x LPT  USB 6 x USB 2.0  Audio Supports CD-in, lin-out  IrDA 115.2 kbps, IrDA 1.0 compliant  GPIO N/A Ethernet  Chipset Intel 82541GI  Speed 10/100/1000 Base-T  Interface 2x RJ45  Standard IEEE 802.3, IEEE 802.3u, IEEE 802.3z/ab (optional) Online Download www.advantech.com/products All product specifications are subject to change without notice Last updated : 18-Oct-2005 AIMB-250 Board Diagram Socket 478-pins for VRM Clock Intel Pentium M ADDR CTRL DATA 400 MHz FSB LVDS or VGA GMCH(855GME) DVI/CRT 732 Micro FCBGA DDR 266/333*1 Device ATA 100 Dual Intel IDE Primary Ac97 82541GI Audio 10/100/1000 IDE Secondary ICH4 Codec Base-TX 421 BGA USB 2.0 USB Port 1/2 PCI BUS USB Port 3/4 USB Port 5/6 Super I/O W83627HF FWH Keyboard Mouse COM Poart LPT Port Floppy Packing List Ordering Information  1 x AIMB-250 SBC Standard  1 x Ultra ATA 66/100 HDD cable  AIMB-250F-00A1 Socket 478 Mini-ITX SBC, w/VGA, LCD, Dual  1 x FDD cable GigaLAN, Audio  1 x Audio line out cable  1 x Cooling fan Optional Accessories  1 x I/O port bracket  USB cable  1 x Startup Manual  Keyboard and PS/2 mouse cable  1 x Utility CD Industrial Motherboard PCI SLOT