ASROCK IMB-156 User Manual page 19
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Also See for IMB-156:
- Jumpers and headers setting manual (2 pages) ,
- Settings manual (2 pages) ,
- User manual (37 pages)
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Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.8 No. 15)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.8 No. 3)
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.
ATX Power Connector
(20-pin ATXPWR1)
(see p.8 No. 12)
ATX Power Connector
(Input 12V-24V)
(4-pin ATX12V1)
(see p.8 No. 4)
Printer Port / GPIO Header
(25-pin LPT_GPIO1)
(see p.8 No. 20)
* If you want to use the printer port function, please short pin4
and pin5 on Digital Input / Output Power Select (JGPIO_PWR1).
GND
1
+12V
2
FAN_SPEED
3
FAN_SPEED_CONTROL
4
FAN_SPEED_CONTROL
FAN_SPEED
+12V
GND
1
2
3
4
10
20
1
11
2
4
1
3
Printer Port:
19
Please connect the fan cable
to the fan connector and
match the black wire to the
ground pin.
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 an ATX power
supply to this connector.
Please connect a DC
12V-24V power supply to this
connector.
1-2: GND
3-4: DC Input
GPIO:
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