ASROCK 890GX EXTREME3 User Manual page 33

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.
E. Enter BIOS Setup Utility. Enter Advanced Settings, and then select
Chipset Configuration. Set the Front Panel Control option from
[Auto] to [Enabled].
System Panel Header
(9-pin PANEL1)
(see p.11 No. 21)
Power LED Header
(3-pin PLED1)
(see p.11 No. 19)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.11 No. 20)
Chassis and Power Fan Connectors
(3-pin CHA_FAN1)
(see p.11 No. 9)
(3-pin CHA_FAN2)
(see p.11 No. 11)
(3-pin CHA_FAN3)
(see p.11 No. 12)
(3-pin PWR_FAN1)
(see p.11 No. 5)
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
ground pin. CHA_FAN1/2/3 fan
GND speed can be controlled through
+12V
CHA_FAN_SPEED
BIOS or OC Tuner utility.
GND
+12V
CHA_FAN_SPEED
PWR_FAN_SPEED
+12V
GND
3 3 3 3 3 3 3 3 3 3