2-12

Features
System Board Features
The board set includes th e system board, one memory
board, and two processor boards. Fig ures 2-3, 2-4, and
2-5 show the major components on the sy stem board,
processor board, and memory board, while the fo llowing
summarizes the board set features.
Board set summary Feature description
Multiple processor
support Two processor sockets; up to two Pentium Pro microprocessors
on each processor board.
Upgradable memory Sixteen DIMM sockets on the memory board, supporting up to
4 GB memory using 256 MB DIMMs.
Add-in board support Four dedicated EISA bus slots and six dedicated 32-bit PCI
slots on the system board.
SCSI controller Two onboard SCSI-2; ultra wide SCSI channel and narrow
SCSI channel support (PCI-based).
BIOS Flash memory-based BIOS (Basic Input/Output System ) and
Setup utilities.
Video Integrated super VGA controller ships with 1 MB of video
memory. For optional 1 MB of video memory, two onboard
upgrade sockets (512 KB each) are available that increases
total video memory size to 2 MB.
External device
connectors Onboard connectors for two serial ports, parallel port, narrow
SCSI port, PS/2-compatible keyboard and mouse, and VGA
monitor.
Clock Real-time clock/calendar (RTC).
System hardware
monitoring Detects chassis intrusion and contains sensors for temperature,
voltage, and fan failure.
Configuration
utilities System Configuration Utility (SCU) and SCSISelect Utility.