Dell OptiPlex GX100 - System Board Components; System Board Jumpers

System Board Components
Figure 7 shows the system board and the location of all its sockets and connectors.
Figure 7. System Board Components
System Board Jumpers
Figure 8 shows the layout of jumpers on the system board. Table 1 lists the system board jumpers and their settings.
Figure 8. System Board Jumpers
1
External drive bay
2
Internal drive cage
3
Chassis intrusion switch
4
Hard-disk drive interface cable
5
Expansion-card cage
6
System board
7
Riserboard
8
Padlock ring
9
Security cable slot
10
I/O ports and connectors
11
AC power receptacle
12
Power supply





1
NIC connector
2
Video connector
3
Fan connector
4
Serial port 2 connector
5
USB connectors (2)
6
Keyboard (lower) and mouse (upper) connectors
7
Parallel port (upper) and serial port 1 (lower) connectors
8
System board jumpers
9
Riser board connector
10
IDE1 connector
11
IDE2 connector
12
Diskette/tape-drive connector
13
Battery
14
Auxiliary power indicator
15
DIMM connectors (2)
16
Control panel connector
17
3.3-V power connector
18
DC power connector