1.4 Checking Jumper Settings
For a
SHORT | OPEN | OPEN |
For a
Pin 1~2 SHORT | Pin 2~3 SHORT |
1.4.1CMOS Memory Clearing Header and Backup Battery
The time to clear the CMOS memory occurs when (a) the CMOS data becomes corrupted, (b) you forgot the supervisor or user password preset in the BIOS menu, (c) you are unable to
This header uses a jumper cap to clear the CMOS memory and have it reconfigured to the default values stored in BIOS.
•Pin-1 and pin-2 shorted (Default): Normal operation.
•Pin-2 and pin-3 shorted: Clear CMOS memory.
To clear the CMOS memory and load in the default values:
1.Power off the system.
2.Set
3.Power on the system.
4.For incorrect CPU ratio/clock settings in the BIOS, press <Del> key to enter the BIOS setup menu right after powering on system.
5.Set the CPU operating speed back to its default or an appropriate value.
6.Save and exit the BIOS setup menu.
CMOS Backup Battery:
An onboard battery saves the CMOS memory to keep the BIOS information stays on even after disconnected your system with power source. Nevertheless, this backup battery exhausts after some five years. Once the error message like “CMOS BATTERY HAS FAILED”
3 |