Abit WB6 User Manual page 23

Installing the Motherboard
JP7 Header
CCMOS1: CMOS Discharge Jumper
Normal Operation (Default)
Figure 2-8. CCMOS1 jumper setting
Before you clear the CMOS, you have to first turn off the power (including the +5V
standby power), otherwise, your system may work abnormally or malfunction.
This Jumper is used in selecting use of the
built-in audio chip, YMF752 or using the
AMR audio controller.
Jumper 1-2 shorted: Disable AMR
CODEC (use YMF752) (Default)
Jumper 2-3 shorted: Disable onboard
CODEC (use AMR)
Jumper CCMOS1 discharges the CMOS
memory. When you install the motherboard,
make sure this jumper is set for normal
operation (pin 1 and 2 shorted). See figure
2-8.
Discharge CMOS
Note
2-11
User's Manual