Biostar K8M800MAM2 K8M800 MICRO AM2 user's manual - Page 17
JCDIN1: CD-ROM Audio-in Connector, JCMOS1: Clear CMOS Header, Clear CMOS Procedures - bios
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K8M800 Micro AM2 JCDIN1: CD-ROM Audio-in Connector This connector allows user to connect the audio source from the variaty devices, like CD-ROM, DVD-ROM, PCI sound card, PCI TV turner card etc.. 14 Pin Assignment 1 Left Channel Input 2 Ground 3 Ground 4 Right Channel Input 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: Normal Operation (Default). 1 3 1 Pin 2-3 Close: 3 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. 15