Biostar P4M900-M4 User Manual download pdf (Page 17)

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.

Pin 1-2 Close:

Normal Operation (default).

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.

Assignment

1 Ground

2 TX+

3 TX-

4 Ground

5 RX-

6 RX+

147

JSATA1

JSATA2

14 7

7 Ground

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 89 90

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Biostar P4M900-M4 User Manual Page 17