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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.
Summary of Contents for HX4500
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