ASRock K10N78D [21/54] 2 1 2 1 2 1 2 1

ASRock K10N78D [21/54] 2 1 2 1 2 1 2 1
2121
2121
21
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].
+5V
DUMMY
DUMMY
SPEAKER
1
GND
PWRB TN#
PLED-
PLED+
DUMMY
RESET#
GND
HDLED+
HDLED-
1
System Panel Header This header accommodates
(9-pin PANEL1) several system front panel
(see p.10, No. 21) functions.
Chassis Speaker Header Please connect the chassis
(4-pin SPEAKER 1) speaker to this header.
(see p.10, No. 19)
GND
+12V
C HA_FAN_SPEED
CPU Fan Connector Please connect the CPU fan
(4-pin CPU_FAN1) cable to this connector and
(see p.10, No. 35) match the black wire to the
ground pin.
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
4 3 2 1
Chassis and NB Fan Connectors Please connect the fan cables
(3-pin CHA_FAN1) to the fan connectors and
(see p.10 No. 34) match the black wire to the
ground pin.
(3-pin NB_FAN1)
(see p.10 No. 20)
GND
+12V
NB_FAN_SPEED
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.10, No. 7)
12
1
24
13

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