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