Biostar NF4UL-A9 User Manual page 20

Close CMOS Header: JCMOS1
By placing the jumper on pin2-3, it allows user to restore the BIOS safe
setting and the CMOS data, please carefully follow the procedures to
avoid damaging the motherboard.
JCMOS1
1
3
Pin 1-2 close
1
3
Pin 2-3 close
※ ※ ※ ※ 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.
Case Open Header: JCI1
This connector allows system to monitor PC case open status. If the
signal has been triggered, it will record to the CMOS and show the
message on next boot-up.
1 2
JCI1
Serial ATA Connector: JSATA1~JSATA4
The motherboard has a SATA Controller in nForce4 (CK8-04) with 4
channels SATA interface, it satisfies the SATA 1.0 spec and with transfer
rate of 1.5Gb/s.
1
7 4
NF4UL-A9
Assignment
Normal Operation (Default).
Clear CMOS data.
Pin Assignment
1 Case open signal
2 Ground
Pin Assignment
1 Ground
3 TX-
5 RX-
7 Ground
18
Pin Assignment
2 TX+
4 Ground
6 RX+