Biostar GF8200C M2 Setup Manual - Page 18
JCMOS: Clear CMOS Header, Clear CMOS Procedures, JCOM: Serial port Connector - + bios
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Motherboard Manual JCMOS: 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. 31 Pin 1-2 Close: Normal Operation (default). 31 31 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. JCOM: Serial port Connector The motherboard has a Serial Port Connector for connecting RS-232 Port. 2 10 1 9 Pin 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 10 NC 16