Biostar TG31-A7 Setup Manual - Page 17
JCMOS1: Clear CMOS Header, Clear CMOS Procedures, SATA1~SATA4: Serial ATA Connectors - specs
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TG31-A7 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. 13 Pin 1-2 Close: Normal Operation (default). 13 13 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. SATA1~SATA4: Serial ATA Connectors The motherboard has a PCI to SATA Controller with 4 channels SATA interface, it satisfies the SATA 2.0 spec and with transfer rate of 3.0Gb/s. SATA1 SATA2 SATA3 SATA4 Pin Assignment 1 Ground 2 TX+ 3 TX- 4 Ground 1 5 RX- 6 RX+ 4 7 Ground 7 15