Troubleshooting Your Workstation
System Board Switches
Chapter 7
178
System Board Switches
There are ten system board switches used for configuration, numbered from 1 to 10. A
certain number of these are reserved (switches 1, 2, 3, 4, 5) and should not be modified,
otherwise it could lead to a system failure.
Figure 7-1 System Board Switches
Switch
Default
Position
Function:
1-4 OFF Reserved.
Do not change default settings.
5 ON Reserved.
Do not change default settings.
6 ON Enables keyboard power-on using the space bar. OFF disables
this option.
7 OFF Enables normal modes.
ON enables the BIOS recovery mode at next boot.
8 OFF Retains CMOS memory.
ON clears CMOS memory at next boot.
9 OFF Enables User and System Administrator passwords.
ON clears the passwords at next boot.
10 ON Selects the chassis type.
ON = minitower
Location of
system board
switches
