Biostar P4M900-M4 Setup Manual - Page 17

Biostar P4M900-M4 Manual

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P4M900-M4 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 3 Pin 2-3 Close: Clear CMOS data. ※ Clear CMOS Procedures: 1. 2. 3. 4. 5. 6. Remove AC power line. Set the jumper to "Pin 2-3 close". Wait for five seconds. Set the jumper to "Pin 1-2 close". Power on the AC. Reset your desired password or clear the CMOS data. JSATA1~JSATA2: Serial ATA Connectors The motherboard has a PCI to SATA Controller with 2 channels SATA interface, it satisfies the SATA 1.0 spec and with transfer rate of 1.5Gb/s. JSATA2 7 4 1 Pin 1 2 3 4 5 6 7 Assignment Ground TX+ TXGround RXRX+ Ground 1 JSATA1 4 7 17

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P4M900-M4
17
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
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.
JSATA1~JSATA2: Serial ATA Connectors
The motherboard has a PCI to SATA Controller with 2 channels SATA interface,
it satisfies the SATA 1.0 spec and with transfer rate of 1.5Gb/s.
Pin
Assignment
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
1
4
7
JSATA1
JSATA2
1
4
7
7
Ground