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Motherboard Manual

JCMOS1: Clear CMOS Header

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.

Pin 1-2 Close:

Normal Operation

(default).

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. Load Optimal Defaults and save settings in CMOS.

J_COM1: Serial port Connector

The motherboard has a Serial Port Connector for connecting RS-232 Port.

Assignment

1 Carrier detect

2 Received data

3 Transmitted data

4 Data terminal ready

5 Signal ground

6 Data set ready

7 Request to send

8 Clear to send

9 Ring indicator

210

10 NC

Biostar TA75M User Manual

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