Dell OptiPlex G1 - Manual (Page 20)

Removing and Replacing Parts: Dell OptiPlex GX1 Systems Service Manual
file:///C|/infodev/2013/eDoc/OpGX1/SM/remsff.htm[2/21/2013 11:45:32 AM]
20 CD-in connector
21 Microprocessor fan connector
22 Serial port 2 connector
23 USB connectors (2)
24 Mouse/keyboard connector (stacked)
25 Parallel/serial port 1 connector (stacked)
System Board Jumpers
Figure 22 shows the layout of jumpers on the system board.
Figure 22. System Board Jumpers
Table 1 lists the system-board jumper settings, and it gives a brief description of their functions.
Table 1. System-Board Jumper Settings
Jumper Setting Description
PSWD (default) Password features are enabled.
Password features are disabled.
BIOS (default) Reserved (do not change)
BUS66M (default) Reserved (do not change)
266MHZ* (default) Reserved (do not change)
300MHZ* (default) Reserved (do not change)
333MHZ* (default) Reserved (do not change)
350MHZ* (default) Reserved (do not change)
400MHZ* (default) Reserved (do not change)
450MHZ* (default) Reserved (do not change)
500MHZ* (default) Reserved (do not change)
* The correct microprocessor speed is automatically detected and set by the system.
Do not change the settings of these jumpers.