The subsections that follow contain procedures for removing system board components, which are
System Board Components
 | | 1 | Optional audio connectors | | 2 | NIC connector | | 3 | Standby power LED (AUX_PWR) | | 4 | Video connector | | 5 | CD-ROM drive audio cable connector (optional) | | 6 | Fan power connector | | 7 | Telephony connector (optional) | | 8 | Serial port 2 connector | | 9 | USB connectors (2) | | 10 | Mouse (upper) and keyboard (lower) connectors | | 11 | Parallel port (upper) and serial port 1 (lower) connectors | | 12 | Riser board connector | | 13 | System board jumpers | | 14 | IDE1 connector | | 15 | IDE2 connector | | 16 | Diskette/tape-drive connector | | 17 | PC speaker connector | | 18 | Battery | | 19 | DIMM sockets (2) | | 20 | Microprocessor package | | 21 | 3.3-V power connector | | 22 | Control panel connector | | 23 | DC power connector | |
Figure 21 shows the location of the PSWD jumper on the system board.
Figure 21. System Board Jumper
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