ASROCK B250M-HDV Handbuch Seite 22

Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.1, No. 21)
1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must
support HDA to function correctly. Please follow the instructions in our manual and
chassis manual to install your system.
2. If you use an AC'97 audio panel, please install it to the front panel audio header by the
steps 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 the HD audio panel only. You don't need to
connect them for the AC'97 audio panel.
E. To activate the front mic, go to the "FrontMic" Tab in the Realtek Control panel and
adjust "Recording Volume".
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.1, No. 13)
Chassis Fan Connectors
(4-pin CHA_FAN1)
(see p.1, No. 22)
(4-pin CHA_FAN2)
(see p.1, No. 12)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.1, No. 2)
20
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
DUMMY SPEAKER
1
+5V DUMMY
FAN_SPEED
FAN_VOLTAGE_CONTROL
FAN_SPEED_CONTROL
GND
FAN_SPEED
FAN_VOLTAGE_CONTROL
FAN_SPEED_CONTROL
GND
This header is for
connecting audio devices
to the front audio panel.
Please connect the chassis
speaker to this header.
Please connect fan cables
to the fan connector and
match the black wire to the
ground pin.
This motherboard provides
a 4-Pin CPU fan (Quiet
Fan) connector. If you plan
to connect a 3-Pin CPU
fan, please connect it to Pin
1-3.