Onboard Headers And Connectors - ASROCK IMB-184-PY 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 Connectors
(4-pin CPU_FAN1)
(see p.8 No. 22)
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
(3-pin CHA_FAN1)
(see p.8, No. 32)
Digital Input / Output Pin Header
(10-pin JGPIO1)
(see p.8, No. 6)
Chassis Intrusion Headers
(2-pin CI1, CI2: see p.8, No. 31)
FAN_SPEED_CONTROL
CPU_FAN_SPEED
+12V
GND
16
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
Pin 1-3 Connected
3-Pin Fan Installation
Please connect the fan cable
to the fan connector and
match the black wire to the
ground pin.
PIN Signal Name PIN Signal Name
10 GND 9
8 SIO_GP23 7
6 SIO_GP22 5
4 SIO_GP21 3
2 SIO_GP20 1
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.
JGPIO_PWR
SIO_GP27
SIO_GP26
SIO_GP25
SIO_GP24