Onboard Headers And Connectors - ASROCK IMB-196-D User Manual

2.6 Onboard Headers and Connectors

Onboard headers and connectors are NOT jumpers. Do NOT place
jumper caps over these headers and connectors. Placing jumper caps
over the headers and connectors will cause permanent damage of the
motherboard!
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.8 No. 7)
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.8 No. 25)
Though this motherboard provides 4-Pin chassis fan (Quiet Fan) support,
the 3-Pin chassis fan still can work successfully even without the fan speed
control function. If you plan to connect the 3-Pin chassis fan to the chassis
fan connector on this motherboard, please connect it to Pin 1-3.
Chassis Intrusion Headers
(2-pin CI1, CI2: see p.8, No. 16)
4 3 2 1
CPU_FAN_SPEED
FAN_SPEED_CONTROL
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
1 2 3 4
1
GND
Signal
17
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
Please connect the chassis fan
cable to the connector and
match the black wire to the
ground pin.
This motherboard supports
CASE OPEN detection feature
that detects if the chassis cover
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
Close: Active Case Open
Open: Normal