B687
5.0
5.5
JP6 (For BUS clock)
CLOCK
66 MHz
100 MHz
JP7 (CPU BUS Clock manual / Auto detect)
Force BUS CLOCK up to 100 MHz
FAN CONNECTOR
JP9
3
1
2
GND +12V
NC
Short
Short
CLOCK
Default (Auto Detect)
Short
JP9:
Short
Open
Open
Open
JP6
Short
Open
This fan is used in CPU COOL FAN.
14
Open
Open
JP7
Short
Open
Open