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System Overview 1-13
Figures 1-6, 1-7, and 1-8 show the major components on the system I/O board,
CPU base board, and Memory board. Table 1-5 summarizes the features of the
board set.
Table 1-5. Features of the Board Set
Feature Description
Multiple processor
slots
Four processor sockets on the CPU base board, for a total of four
processors.
Upgradable
memory
Sixteen DIMM sockets on the memory board, supporting up to 4 GB
memory using 256 MB DIMMs.
Add-in board
support
Two dedicated ISA bus slots and nine dedicated 32-bit PCI slots on the
system I/O board.
SCSI controller Dual onboard SCSI-2 controller (PCI-based).
BIOS Flash memory-based BIOS (Basic Input/Output System ) and Setup
utilities.
Video Integrated super VGA controller ships with either 1 MB or 2 MB of video
memory. Upgrade socket (1 MB) is available for 1 MB system to
increase 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
Resource Configuration Utility (RCU) and SCSISelect Utility.