INSTALLATION
IB780 User’s Manual
19
FAN2: CPU Fan Power Connector
FAN2 is a 3-pin header for the CPU fan. The fan must be a 12V fan.
Pin #
Signal Name
1
Ground
2
+12V
3
Rotation detection
J5: External ATX Power Connector
Pin #
Signal Name
1
Ground
2
PS-ON (soft on/off)
3 2 1
3
5VSB (S5V)
J6: System Function Connector
J6 provides connectors for system indicators that provide light indication
of the computer activities and switches to change the computer status. J6
is a 20-pin header that provides interfaces for the following functions.
Hard Disk Drive LED
Reset Switch
Turbo LED Connector
ATX Power On Switch
SMI / Hardware Switch
Speaker
Power LED