Biostar NF4UL-A9 NF4UL-A9 user's manual - Page 20

NF4UL-A9 Close CMOS Header: JCMOS1 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. JCMOS1 Assignment 1 3 Pin 1-2 close Normal Operation (Default). 1 3 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. Case Open Header: JCI1 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. 1 2 JCI1 Pin Assignment 1 Case open signal 2 Ground Serial ATA Connector: JSATA1~JSATA4 The motherboard has a SATA Controller in nForce4 (CK8-04) with 4 channels SATA interface, it satisfies the SATA 1.0 spec and with transfer rate of 1.5Gb/s. Pin Assignment Pin Assignment 1 Ground 2 TX+ 741 3 TX5 RX- 4 Ground 6 RX+ 7 Ground 18