ASRock P55DE Pro User Manual - Page 27

Chassis and Power Fan Connectors

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For Windows® XP / XP 64-bit OS: Please select "Front Mic" as default record device. If you want to hear your voice through front mic, please deselect "Mute" icon in "Front Mic" of "Playback" portion. For Windows® VistaTM / VistaTM 64-bit OS: Go to the "Front Mic" Tab in the Realtek Control panel. Click "Set Default Device" to make the Front Mic as the default record device. System Panel Header (9-pin PANEL1) (see p.11 No. 20) PLED+ PLEDPWRBTN# GND 1 DUMMY RESET# GND HDLEDHDLED+ This header accommodates several system front panel functions. Chassis and Power Fan Connectors (4-pin CHA_FAN1) (see p.11 No. 7) (3-pin PWR_FAN1) (see p.11 No. 8) GND +12V CHA_FAN_SPEED FAN_SPEED_CONTROL Please connect the fan cables to the fan connectors and match the black wire to the CPU Fan Connector (4-pin CPU_FAN1) (see p.11 No. 31) 4 3 2 1 GND +12V CPU_FAN_SPEED FAN_SPEED_CONTROL Please connect a CPU fan cable to this connector and match the black wire to the ground pin. 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. Pin 1-3 Connected 3-Pin Fan Installation ATX Power Connector (24-pin ATXPWR1) (see p.11, No. 6) 12 24 1 13 Please connect an ATX power supply to this connector. 27

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For Windows
®
XP / XP 64-bit OS:
Please select “Front Mic” as default record device.
If you want to hear your voice through front mic, please deselect "Mute"
icon in “Front Mic” of “Playback” portion.
For Windows
®
Vista
TM
/ Vista
TM
64-bit OS:
Go to the "Front Mic" Tab in the Realtek Control panel.
Click "Set Default Device" to make the Front Mic as the default record
device.
Chassis and Power Fan Connectors
Please connect the fan cables
(4-pin CHA_FAN1)
to the fan connectors and
(see p.11
No. 7)
match the black wire to the
(3-pin PWR_FAN1)
(see p.11
No. 8)
GND
PWRBTN#
PLED-
PLED+
DUMMY
RESET#
GND
HDLED+
HDLED-
1
System Panel Header
This header accommodates
(9-pin PANEL1)
several system front panel
(see p.11
No. 20)
functions.
FAN_SPEED_CONTROL
GND
+12V
CHA_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.11,
No. 6)
CPU Fan Connector
Please connect a CPU fan cable
(4-pin CPU_FAN1)
to this connector and match
(see p.11
No. 31)
the black wire to the ground pin.
12
1
24
13
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
4
3
2
1