Dell OptiPlex GX100 - Manual (Page 32)

To remove a riser board, perform the following steps.
NOTICE: To avoid possibly damaging expansion cards or the system board by electrostatic discharge (ESD), ground yourself by
touching an unpainted metal surface on the back of the computer.
1. Remove the expansion-card cage .
2. Remove the expansion cards installed in the slots.
3. Remove the screws securing the riser board to the expansion-card cage.
System Board Components
The subsections that follow contain procedures for locating or removing some of the system board components, which are shown in Figure 24.
Figure 24. System Board Components
System Board Jumper
Figure 25 shows the location of the PSWD jumper on the system board.
1 PCI expansion slot 1 (PCI1)
2 PCI expansion slot 2 (PCI2)
3 PCI expansion slot 3 (PCI3)
4 PCI expansion slot 4 (PCI4; shared with
ISA1)
5 ISA expansion slot 1 (ISA1; shared with
PCI4)
6 Standby power indicator LED (AUX_LED)
7 ISA expansion slot 4 (ISA4)
8 ISA expansion slot 3 (ISA3)
9 ISA expansion slot 2 (ISA2; shared with
PCI5)
10 PCI expansion slot 5 (PCI5; shared with
ISA2)
11 Remote Wakeup header (WOL)
CAUTION: Use a wrist grounding strap as explained in " Precautionary Measures ."
1 NIC connector
2 Video connector
3 Fan power connector
4 Serial port 2 connector
5 USB connectors (2)
6 Keyboard (upper) and mouse (lower) connectors
7 Parallel port (upper) and serial port 1 (lower)
connectors
8 System board jumper
9 Riser board connector
10 EIDE1 connector
11 EIDE2 connector
12 Diskette/tape-drive connector
13 Auxiliary power indicator
14 DIMM connectors (2)
15 3.3 VDC power connector
16 Control panel connector
17 DC power connector