Asrock H55M Pro user manual download (Page 25 of 205)

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ASRock
H55M Pro
Motherboard
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.
3-Pin Fan Installation
Pin 1-3 Connected
ATX Power Connector
Please connect an ATX power
(24-pin ATXPWR1)
supply to this connector.
(see p.2,
No. 8)
CPU Fan Connector
Please connect a CPU fan cable
(4-pin CPU_FAN1)
to this connector and match
(see p.2
No. 3)
the black wire to the ground pin.
12
1
24
13
1
2
3
4
Chassis and Power Fan Connectors
Please connect the fan cables
(4-pin CHA_FAN1)
to the fan connectors and
(see p.2
No. 25)
match the black wire to the
ground pin.
(3-pin PWR_FAN1)
(see p.2
No. 4)
System Panel Header
This header accommodates
(9-pin PANEL1)
several system front panel
(see p.2
No. 18)
functions.
Chassis Speaker Header
Please connect the chassis
(4-pin SPEAKER 1)
speaker to this header.
(see p.2
No. 17)
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C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for HD audio panel only. You don’t
need to connect them for AC’97 audio panel.
E. Enter BIOS Setup Utility. Enter Advanced Settings, and then select
Chipset Configuration. Set the Front Panel Control option from
[Auto] to [Enabled].
Sample
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