User Guide

3
1-2 Specification
Spec Description
Design
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ATX form factor 4 layers PCB size: 30.5x21.0cm
Chipset
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Intel 845D Memory Controller Hub (MCH) Chipset
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Intel 82801BA I/O Controller Hub (ICH2) Chipset
CPU Socket
(mPGA478B Socket)
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Support Intel Pentium 4 478 Pin package utilizes Flip-
Chip Pin Grid Array (FC-PGA2) package processor
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Support 1.5G
∼
2.2G 478 Pin Pentium 4 processor
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Reserves support for future Intel Pentium 4 processors
Memory Socket
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184-pin DDR SDRAM module socket x2
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Support DDR266/DD200 DRAM
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Expandable to 2.0GB
Expansion Slot &
Headers
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AGP slot x1 for AGP 1.5V standard only, support AGP 2.0
& 4X mode
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32-bit PCI slot x5
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CNR slot x1
Integrate IDE
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Two PCI IDE controllers support PCI Bus Mastering, ATA
PIO/DMA and the ULTRA DMA 33/66/100 functions that
deliver the data transfer rate up to 100 MB/s
LAN On Board
(Only for 845DDAL)
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Realtek RTL8100 PCI LAN Controller chip
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Supports 10/100 Mb/sec data transfer rate
Audio
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AC’97 Digital Audio controller integrated
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AC’97 Audio CODEC on board
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Audio driver and utility included
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Support 4 channel Speaker
(Only for 845D PRO)
BIOS
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Award 2MB Flash ROM
Multi I/O
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PS/2 keyboard and PS/2 mouse connectors
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Floppy disk drive connector x1
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Parallel port x1
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Serial port x2
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USB connector x2
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USB headers x2 (connecting cable option)
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Audio connector (Line-in, Line-out, MIC & Game Port)