Technical data

A-1
DIGITAL Server 5220
8
Block Diagram
A
Main Logic Board
This appendix describes the DIGITAL Server 5220 Main Logic Board (MLB) block
diagram, shown in Figure A-1. The MLB integrates the Dual Pentium II processors
with both ISA and PCI system peripheral devices. The MLB provides the following
functions:
Connector for a dual Pentium II CPU/Memory module with 350 MHz or 400 MHz
processors, the BX chipset, and registered SDRAM DIMMs up to 1GB.
BIOS ROM
System I/O for PC-compatible serial (2), parallel, keyboard, USB (2), and serial
mouse ports
Diskette drive connector