Abit AB-NV7-133R User Manual page 22

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(7). CCMOS1 Header: 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.
(8). FPIO1 Headers: The Headers for Chassis's Front Panel Indicators and Switches
FPIO1 (Pin 1 & 3): HDD LED Header
Attach the cable from the case's front panel HDD LED to this header. If you install it in the wrong
direction, the LED light will not illuminate correctly.
Note: Watch the HDD LED pin position and the orientation.
NV7-133R
Jumper CCMOS1 used to discharge CMOS memory.
When you install the motherboard, make sure this
jumper is set for normal operation (pin 1 and 2
shorted). See figure below.
Note
FPIO1 are for switches and indicators for the
chassis's front panel, there are several functions that
come from this header. You have to watch the pin
position and the orientation, or you may cause LED
do not light up. Figure below shows you the FPIO1
functions of the pins.
Chapter 2