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Full size PIAGP Bus
Full size PICMG 1.3
Full size PICMG 1.0
Half size PICMG 1.3
Half size PISA Bus
Half size ISA Bus
Half size PCI Bus

Socket 478 P4 Intel® 845 PICMG CPU Card with VGA/LAN/Audio/
Micro PCI Socket

Features Specifications Ordering Info Datasheet User's Manual

P4 400MHz FSB (100MHz x 4)
Socket 478 for Intel® Pentium® 4 with frequencies of 1.3GHz up to 2.0GHz
3 x DIMM or 2 x DDR up to 3GB PC100/133 or PC200/266 DRAM memory
ATI Mobility M6 8/16MB VGA chip supports TMDS, LVDS, CRT & TV-out interface
ICH2 integrated LAN controller
ICH2 integrated Audio controller
Micro PCI socket for IDE Raid, Audio, SCSI, LAN card etc.
Hardware monitoring
ISA High Drive Support
PCI to ISA Bridge (ITE 8888)
General Functions
Processor Socket Socket 478
Processor P4 1.3GHz to 2GHz
Chipset Intel® 845
BIOS Award BIOS, ACPI supported
Bus Speed 400MHz FSB (100MHz x 4)
Bus Interface PICMG Bus
Cache Size 256/512KB cache memory, CPU integrated
Memory AT-8820: 3 x DIMM sockets up to 3GB PC100/133 DRAM
AT-8821: 2 x DDR sockets up to 2GB PC200/266 DRAM
Onboard IDE Built in ICH2; Two enhanced IDE supports 4 IDE devices including UDMA 33/66/100, PIO mode 4 and bus master
Onboard LPC I/O Onboard ITE8712 supports IrDA x 1, Parallel x 1, COM1 (RS232), COM2 (RS232/422/485), FDC up to 2.88MB (3Mode support), Hardware Monitor (3 thermal inputs, 8 voltage monitor inputs, VID0-4, 3 fan headers), and Smart card reader
Serial Port One RS-232/422/485 and one RS-232 port
Parallel Port One parallel port supports SPP/EPP/ECP
Floppy Interface Supports up to two floppy disk drives: 3.5" and/or 5.25" drives; 3 Mode support
Onboard VGA ATI Mobility M6 graphics controller, 8MB/16MB DDR embedded Frame buffer (DDR, AGP4), Supports TMDS, LVDS, CRT & TV-out
Onboard LAN ICH2 integrated Ethernet controller supports 10Base-T/100Base-TX Protocol, Optional Dual Ethernet solution via MicroPCI LAN card
Audio ICH2 integrated Audio controller, Optional AC97 and external audio connector via ID120 daughter card
Onboard SSD One 32-pin DIP socket supports M-Systems DiskOnChip™ 2000 series up to 288MB
Watchdog Timer Generates system reset; 256 levels
Keyboard PS/2 type
Mouse PS/2 type
USB Supports four USB ports
IrDA Pin header
Hardware Monitoring Built in ITE8712 monitors system, CPU temperature and voltage
ISA High Drive ISA High Drive Support
PCI to ISA Bridge PCI to ISA Bridge (ITE 8888)
MicroPCI Socket Support one MicroPCI socket
ATX-12V Power Support one ATX-12V Power Connector
Environmental and Mechanical
Power Voltage +5V, +12V, -12V
Power Consumption +5V@5.7A, +12V@10.3A, -12V@0.2A (P4 2.0GHz CPU, 1.5GB DRAM)
Operating Temperature 0XC to 60XC
Relative Humidity 5% to 90%
Form Factor Full-size, PICMG Bus
Dimensions 13.3" (L) x 4.8" (W) (338mm x 122mm)
Ordering Info
AT-8820/1-8 P4 Intel® 845 Full-Sized PICMG SBC w/8MB VGA, LAN, Audio, MicroPCI socket
AT-8820/1-16 P4 Intel® 845 Full-Sized PICMG SBC w/16MB VGA, LAN, Audio, MicroPCI socket
ID-120 Daughter card with TMDS, TV-out (S-Video & AV), Audio (Line in , Line out, Mic)

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