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85DR / 85DRB
Chapter 1 Specification
This series of mainboards features an integration of the powerful
processor Intel Pentium 4 and single-chip North Bridge Intel 82845-D
plus South Bridge Intel 82801BA, with which the whole system perfor-
mance is upgraded to support 400 MHz system bus and system memory
clock 133MHz for DDR SDRAM.
The Intel P4 processor is a rapid execution engine providing 400MHz
quadpumped system bus to allow 3.2GB data transfer rates possible,
while North Bridge i82845-D plus South Bridge i82801BA supports In-
tel P4 processor to implement the AGP 4X external bus, the LPC Super
I/O, the DDR SDRAM and UATA 100/66 data transfer rate. This chap-
ter is to introduce to users every advanced function of this high perfor-
mance integration.
Topics included in this chapter are:
1-1 Mainboard Specifications
1-2 Mainboard Layout
1-3 Mainboard Specification Table
1-4 Chipset Diagram
Introduction
10
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