Socket 478 Main Board

Specification :  

Intel Pentium M/Celeron M processors

Package : FC - PGA478

FSB : 400MHz

L2 Cache: 512KB/1MB/2MB


intel 855GME and ICH4


1 x 184pin DIMM supports DDR266/333 up to 1GB

ECC memory supported

IDE Interface

UltraDMA100 IDE Interface supports up to 4 ATAPI devices

Onboard one 40-pin and one 44-pin IDE connectors

RTC Intel ICH4 built-in RTC with Lithium battery
External I/O

1 x PS/2 , 2 x RS232 serial ports, 1 x VGA, 1 x Speaker, 1 x RJ45, 2 x USB2. 0

1 x S/PDIF, 1x Printer Port

Internal I/O

1 x FDD, 1 x Audio, 1 x IrDA, 1 x16-bit GPIO, 1 x LVDS

1 x LCD Inverter, 1 x 4-pin 5V/12V power output


Intel 82540EM PCI Gigabit Ethernet controller

10Base-T/100Base-TX/1000Base-T,IEEE802. 3U compliance



System reset programmable watchdog timer with 1~255 sec/min of timeout value


Intel 855GM built-in Intel Extreme Graphics 2

Frame buffer size up to 64MB shared with system memory

Optional 24-bit dual channel LVDS interface

Phoenix-Award 4Mb PnP BIOS
Operating Temperature

Operating Within 0~60 centigrade

Storage Within - 20~85 centigrade

Power Requirement

DC 12V/19V input (10.5V~13V and 16V~20V)

1 x DC input mini DIN and 1 x 4-pin onboard 12V connector for selecation


Realtek ALC655 AC97 Codec

5.1 Channel output with Line-out/Front, Line-in/Rear and MIC-in/Center


Onboard IDE supports DOM with 5V power

1xCompactFlash Tybe I socket on solder side

Expansion Interface

1 x slim PCI slot

1 x PCMCIA solt on solder side

Optional mini PCI socket or mini AGP socket onboard

 Form Factory : 195 mm (W) x 245 mm (L), Mini ATX