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Chapter 2: Hardware installation
2.7
Jumpers / Headers / Connectors
Jumper Setting
The illustration shows how to set up jumpers. When the jumper cap is placed on pins, the
jumper is “close”, if not, that means the jumper is “open”.
Pin opened
Pin closed
Pin 1-2 closed
JCMOS1: Clear CMOS Jumper
Placing the jumper on pin2-3 allows user to restore the BIOS safe setting and the CMOS data.
Please carefully follow the procedures to avoid damaging the motherboard.
1 3
3
1
Pin 1-2 Close: Normal Operation (Default)
3
1
Pin 2-3 Close: Clear CMOS data
Clear CMOS Procedures:
1. Remove AC power line.
2. Set the jumper to “Pin 2-3 close”.
3. Wait for five seconds.
4. Set the jumper to “Pin 1-2 close”.
5. Power on the AC.
6. Reset your desired password or clear the CMOS data.
F_AUDIO1: Front Panel Audio Header
This is an interface for the front panel audio cable that allows convenient connection and
control of audio devices.
1 9
2 10
Pin Assignment
Pin
Assignment
1
MIC2_L
2
GND
3
MIC2_R
4
3.3V
5
LINE2_R
6
GND
7
FRONT_IO_SENSE
8
Key
9
LINE2_L
10
GND_AUD
