Dell OptiPlex GX200 Service Manual - Page 53
Table 1. System-Board Jumper Settings - bios password
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Jumpers are small blocks on a circuit board with two or more pins emerging from them. Plastic plugs containing a wire fit down over the pins. The wire connects the pins and creates a circuit. NOTICE: Make sure your system is turned off before you change a jumper setting. Otherwise, damage to your system or unpredictable results may occur. To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated. Table 1. System-Board Jumper Settings Jumper PSWD SAFE BIOS RTCRST Setting (default) (default) (default) (default) (default) Description Password features are enabled. Password features are disabled. Reserved (do not change). Reserved (do not change). Real-time clock reset. Can be used for troubleshooting purposes. jumpered unjumpered System Board Labels Table 2 lists the labels for connectors and sockets on your system board, and it gives a brief description of their functions. Table 2. System Board Connectors and Sockets Connector or Socket AMC BATTERY CD_IN RIMM_x DSKT ENET EXT_SPKR FAN HDLED IDEn INTRUDER KYBD MODEM Description ATI multimedia channel connector Battery socket CD-ROM audio interface connector RIMM socket Diskette/tape drive interface connector Integrated NIC connector External speaker connector Microprocessor fan connector Hard-disk drive LED connector EIDE interface connector Chassis intrusion switch connector Keyboard connector Modem audio connector