User's Guide

System Overview 1-7
System Board Features
The system board (Figure 1-3) offers a “flat” design with the processor and memory
subsystems residing on the board. This figure shows the major components on the
system board. The following subsections describe the system board major components.
A
B
C
D
E
F
G
H
I
J
KLMNOPQR
S
TUV
A. Mouse (top) and keyboard (bottom)
connectors
L. Secondary processor socket
B. Serial port connectors (top COM 1, bottom
COM2)
M. SCSI backpanel connector
C. USB connectors (top USB1, bottom USB2) N. Power supply connector
D. LAN RJ-45 network controller connector O. Optional VRM socket (used when a second
processor is installed)
E. SVGA monitor port connector P. Memory
F. Parallel port connector Q. Floppy disk drive connector
G. CMOS/Password Clear jumpers R. CD-ROM drive connector
H. PCI I/O riser board connector S. SCSI channel B connector (5.25-inch devices)
I. Primary processor socket T. SCSI channel A connector (hard disk drives)
J. Fan connectors (4) U. Lithium backup battery
K. Power supply backpanel connector V. COM2 serial port connector (connects COM2 to the
front panel)
Figure 1-3. System Board