Abit SA7 User Manual page 41

Installing the Motherboard
(13). JP1: CMOS Discharge Jumper
Before you clear the CMOS, you have to first turn the power off (including the +5V standby power).
Otherwise, your system may work abnormally.
After updating your BIOS and before boot up, please clear the CMOS first. Then put the jumper to its
default position. After that, you can reboot your system and ensure that your system is working fine.
(14). SPEAKER1: Chassis Internal Speaker Headers
Jumper CCMOS1 discharge CMOS memory. When
you install the motherboard, make sure this jumper
is set for normal operation (pin 1 and 2 shorted). See
the figure below.
Note
Connect the chassis internal speaker cable to
SPEAKER1 header.
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User's Manual