User`s guide

Changing the Jumper Settings
The jumpers on the main system board are preset to factory
default positions, indicated by an asterisk (*) in the tables
below. (See the illustration above to locate jumpers.) Use the
information in this section to change jumper settings, if
necessary.
Note
Any jumpers not listed in the following tables are for service
purposes only. Do not change their settings.
J23
1-2’
Enables the IDE hard disk drive controller
2-3
Disables the IDE hard disk drive controller
CN3
2-3* Selects the system board battery
3-4 Discharges CMOS memory (this resets the
SETUP values to their factory defaults)
1-4
Selects external battery
Installing and Removing Options 4-7