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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.
G
F
E
D
C
B
A
A.
Mouse (top) and keyboard (bottom)
connectors
B.
Serial port connectors (top COM 1, bottom
COM2)
C.
USB connectors (top USB1, bottom USB2)
Note: Factory default for USB Ports is
"Disabled." Run the BIOS Setup Utility to
enable.
D.
LAN RJ-45 network controller connector
E.
SVGA monitor port connector
F.
Parallel port connector
G.
CMOS/Password Clear jumpers
H.
PCI I/O riser board connector
I.
Primary processor socket
J.
Fan connectors (4)
K.
Power supply backpanel connector
H
R
Q
V
U
T
S
L.
M.
N.
O.
P.
Q.
R.
S.
T.
U.
V.
Figure 1-3. System Board
I
P
O
N
M
Secondary processor socket
SCSI backpanel connector
Power supply connector
Optional VRM socket (used when a second
processor is installed)
Memory
Floppy disk drive connector
CD-ROM drive connector
SCSI channel B connector (5.25-inch devices)
SCSI channel A connector (hard disk drives)
Lithium backup battery
COM2 serial port connector (connects COM2 to the
front panel)
J
L
K
System Overview 1-7
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Table of Contents
Troubleshooting
