ASROCK 790GX PRO User Manual page 26

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. To activate the front mic.
For Windows
Select "Mixer". Select "Recorder". Then click "FrontMic".
For Windows
Go to the "FrontMic" Tab in the Realtek Control panel. Adjust
"Recording Volume".
System Panel Header
(9-pin PANEL1)
(see p.11 No. 14)
Power LED Header
(3-pin PLED1)
(see p.11 No. 22)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.11 No. 17)
Chassis, NB and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.11 No. 16)
(3-pin CHA_FAN2)
(see p.11 No. 15)
(3-pin PWR_FAN1)
PWR_FAN_SPEED
(see p.11 No. 39)
(3-pin NB_FAN1)
(see p.11 No. 9)
XP / XP 64-bit OS:
®
7 / 7 64-bit / Vista / Vista
® TM TM
This header accommodates
PLED+
PLED-
several system front panel
PWRBTN#
GND
functions.
1
DUMMY
RESET#
GND
HDLED-
HDLED+
Please connect the chassis
1
power LED to this header to
PLED-
PLED+
indicate system power status.
PLED+
The LED is on when the system
is operating. The LED keeps
blinking in S1 state. The LED is
off in S3/S4 state or S5 state
(power off).
Please connect the chassis
1
speaker to this header.
SPEAKER
DUMMY
DUMMY
+5V
Please connect the fan cables
to the fan connectors and
GND
+12V
match the black wire to the
CHA_FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
CHA_FAN_SPEED
+12V
GND
GND
+12V
NB_FAN_SPEED
2 6 2 6 2 6 2 6 2 6
64-bit OS: