Biostar U8568 - CPU Fan and Frequency Settings

Mainboard Features
10
3-2. CPU Fan Header: JCFAN1
Pin No. Assignment
1 Ground
2 +12V
3 Sense
3-3. System Fan Header: JSFAN1
(Optional)
Pin No. Assignment
1
Ground
2 +12V
3
Sense
3-4. Frequency Selection: JCLK1 (Optional)
CPU Clock PIN 1-2 PIN 3-4
100MHz
OFF ON
133MHz
ON OFF
3-5. Clock Ratio Selection: JCLK2
(Optional)
JCLK2 Assignment
1 3
1-2 Closed
100 MHz
1 3
2-3 Closed
133 MHz