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10 Maintaining and Troubleshooting the Gateway ALR 9200 Server
System Board Features
The system board functions as the main interface between the processor,
memory, and peripherals.
Table 1 lists the features of the system board. Figure 3 on page 11 shows the
components on the system board and their locations.
System Board Connectors
Figure 3 shows the connectors on the system board. Some of these
connectors may not be used, depending on the configuration of the server.
The table below provides the key to Figure 3.
Table 1: System Board Features
Feature Description
Processor Installed: Up to four Pentium® II Xeon™ processors, in single
edge contact (SEC) cartridges installed in Slot 2 connectors.
Includes connectors for six VRM 8.3-compliant plug-in voltage-
regulator modules (VRMs).
Main memory Single plug-in module containing 16 dual in-line memory module
(DIMM) sockets for up to 4 GB of extended data output (EDO)
dynamic random access memory (DRAM).
Installed: 256 MB–4 GB of EDO error correcting code (ECC)
random access memory (RAM).
Video memory Installed: 2 MB of video memory.
PCI bus(es) PCI-A—Three expansion connectors
PCI-B—Four expansion connectors (one shared with the
ISA slot)
ISA bus One expansion slot for expansion boards (shared with a
PCI-B slot).
Server management Thermal/voltage monitoring and error handling.
Front panel controls and indicator light emitting diodes (LEDs).
Graphics Integrated onboard Cirrus Logic GD5480 super video graphics
array (SVGA) controller.
SCSI Two embedded small computer systems interface (SCSI)
controllers:
Symbios SYM53C810AE—narrow SCSI controller providing
support for legacy 8-bit SCSI devices
Symbios SYM53C896—dual-channel wide low voltage
differential (LVD)/single-ended (SE) (ultra2/ultra) SCSI controller
driving one SCSI backplane in the system and providing support
for external expansion.
System I/O PS/2-compatible keyboard and mouse ports, parallel port,
video port, USB port, and two serial ports (serial port 1 is the left
connector).
3424.boo Page 10 Wednesday, September 2, 1998 9:23 AM