ASROCK CONROE865GV User Manual page 22

System Panel Header
(9-pin PANEL1)
(see p.11 No. 14)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.11 No. 15)
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.11 No. 13)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.11 No. 5)
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.
ATX Power Connector
(20-pin ATXPWR1)
(see p.11 No. 29)
COM Port Header
(9-pin COM1)
(see p.11 No. 20)
This header accommodates
PLED+
PLED-
PWRBTN#
several system front panel
GND
functions.
1
DUMMY
RESET#
GND
HDLED-
HDLED+
Please connect the chassis
1
SPEAKER
speaker to this header.
DUMMY
DUMMY
+5V
Please connect a chassis fan
cable to this connector and
GND
+12V
match the black wire to the
CHA_FAN_SPEED
ground pin.
You may connect either a 3-pin
or a 4-pin CPU fan cable to this
GND
1
+12V
2
connector, then match the black
CPU_FAN_SPEED
3
FAN_SPEED_CONTROL
4
wire to the ground pin.
Pin 1-3 Connected
Please connect an ATX power
supply to this connector.
This COM port header is used
RRXD1
to support a COM port module.
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
2 2 2 2 2 2
2 2 2 2
3-Pin Fan Installation