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1. High Definition Audio supports Jack Sensing, but the panel wire on
the chassis must support HDA to function correctly. Please follow the
instruction in our manual and chassis manual to install your system.
2. If you use AC'97 audio panel, please install it to the front panel audio
header as below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
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.
System Panel Header
(9-pin PANEL1)
(see p.2 No. 17)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 16)
Chassis and Power Fan Connectors
(3-pin CHA_FAN1)
(see p.2 No. 21)
(3-pin PWR_FAN1)
(see p.2 No. 9)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.2 No. 6)
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.
2 2
2 2
2 2
2 2
2 2
ASRock
This header accommodates
several system front panel
functions.
Please connect the chassis
speaker to this header.
Please connect the fan cables
to the fan connectors and
match the black wire to the
Please connect the CPU fan
cable to this connector and
match the black wire to the
ground pin.
1 2 3 4
Pin 1-3 Connected
3-Pin Fan Installation
880GMH-LE/USB3
Motherboard
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