Biostar K8T890-A7 Manual page 16

JSPDIF_IN1: Digital Audio-in Connector (optional)
This connector allows user to connect the PCI bracket SPDIF input
header.
3 1
JCI1: Chassis Open Header
This connector allows sy stem 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
JCMOS1: Clear CMOS Header
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.
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.
JDJ1: AUDIO DJ Connector (optional)
1 3 5
K8T89-A7
Pin
1 +5V
2 SPDIF_IN
3 Ground
Pin
1 Case open signal
2 Ground
Normal Operation (Def ault).
Clear CMOS data.
Pin Assignment
1 SMBDATA
3 INT_B
5 AXT_PWROK
14
Assignment
Assignment
Assignment
Pin Assignment
2 SMBCLK
4 Key