Clear Cmos Procedures; Serial Ata Connectors - Biostar P4M900-M4 Setup Manual

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.

※ 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.
1
Pin 1-2 Close:
Normal Operation (default).
1
1 3
Pin 2-3 Close:
Clear CMOS data.
Pin
JSATA2
1
2
7 4 1
3
4
5
6
7
1 4 7
JSATA1
P4M900-M4
3
3
Assignment
Ground
TX+
TX-
Ground
RX-
RX+
Ground
17