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Setting the system board jumpers
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Setting the system board jumpers
The J5K1 configuration jumper on the system board lets you clear passwords
and recover the BIOS. (See the figure on page 5 for the location of the jumper.)
The table below shows the settings required to perform those tasks. Make sure
you turn off the computer and unplug the power cord before moving the
jumper.
Recovery mode
If you are trying to update the BIOS and have a problem such as a power
outage, the update may not be successful. You can then attempt to recover
the BIOS by setting the J5K1 jumper.
When you are attempting to recover the BIOS, no image appears on your
monitor.
Caution Moving the jumper while the computer’s power is on can
damage your computer. Always turn off the computer and
unplug the power cord from the computer before changing
the jumper.
J5K1 Mode Jumper
Setting
Action When Set
Normal
Pins 1-2
Normal operation
Configure
Pins 2-3
Adds a Maintenance menu to
BIOS Setup utility with options to
clear passwords
Recovery
No jumper
Causes computer to attempt
BIOS update or recovery from
diskette