User`s manual

ASUS P5A-B User’s Manual 15
III. INSTALLATION
Jumper Settings
1. Real Time Clock (RTC) RAM (CLRTC)
The CMOS RAM is powered by the onboard button cell battery. To clear the
RTC data: (1) Turn off your computer, (2) Short solder points using a small
metalic object, (3) Turn on your computer, (4) Hold down <Delete> during bootup
and enter BIOS setup to re-enter user preferences.
P5A-B Clear RTC RAM
Short solder points
to Clear CMOS
CLRTC
R
III. INSTALLATION
Jumpers
2. Voltage Input/Output Selection (VIO)
This jumper allows you to select the voltage supplied to the DRAM, chipset,
and AGP.
P5A-B Voltage Input/Output Selection
VIO0
VIO1
3.6Volts
VIO0
VIO1
3.8Volts
VIO0
VIO1
4.0Volts
VIO0
VIO1
3.5Volts
(DEFAULT)
1
2
3
R
WARNING! Using a higher voltage may help when overclocking but may re-
sult in the shortening of your computer components’ life.