Asus P/I-XP55T2P4 User Manual page 15

III. INSTALLATION
5. CMOS RAM (JP17)
This clears the user-entered information stored in the CMOS RAM of the Real
Time Clock such as hard disk information and passwords. To clear the CMOS
data: (1) Turn off the PC, (2) Set jumper to "Clear," (3) Power on the PC, (4) Turn
off the PC, (5) Set jumper to "Operation," (6) Power on the PC, (7) Hold down
<Delete> during bootup and enter BIOS setup to re-enter user information.
Selections
Operation
Clear CMOS Data [2-3] (momentarily)
6. Battery Test Jumper (JP19)
The CMOS RAM is powered by the onboard button cell battery. You can test
the battery's current by removing this jumper and attaching a current meter to
each pin. WARNING: You must unplug the power cord to your power
supply to ensure that there is no power to your motherboard. The CMOS
RAM containing BIOS setup information will be cleared by this action.
You must enter BIOS to "Load Setup Defaults" and re-enter any user infor-
mation after removing and reapplying this jumper.
ASUS P/I-XP55T2P4 User's Manual
JP17
[1-2] (Default)
1 2 3
JP17
Operation (Default)
CMOS RAM (Operation / Clear CMOS Data)
JP19
Operation
Battery Test Jumper
1 2 3
JP17
Clear CMOS Data
JP19
Test Mode
9