Dell OptiPlex GX200 - Manual (Page 52)

System Board Jumpers
Figure 25 shows the location of the jumpers on the system board. Table 1 lists the system board jumpers and their settings.
Figure 25. System Board Jumpers
1 Line-in connector
2 Line-out connector
3 Microphone connector
4 NIC connector
5 Video connector
6 Serial port 2 connector
7 USB connectors (2)
8 Keyboard (lower) and mouse (upper) connectors
9 Parallel port (upper) and serial port 1 (lower) connectors
10 Microprocessor connector
11 RIMM sockets (2)
12 DC power 1 connector
13 DC power 2 connector
14 Chassis intrusion connector
15 Control panel connector
16 External speaker connector
17 EIDE1 connector
18 EIDE2 connector
19 System board speaker
20 System board jumpers
21 Diskette/tape-drive connector
22 Riser board connector
23 Real-time clock reset (RTCRST) jumper
24 Battery
25 Modem audio connector
26 Fan connector
27 CD audio cable connector