Biostar K8T890-A7 [16/68] K8t89 a7

K8T89-A7

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

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

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

Pin 1-2 close

Normal Operation (Def ault).

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. Wai t fo r fi ve 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

135

5 AXT_PWROK