ASROCK 775i65GV User Manual page 22

System Panel Header
(9-pin PANEL1)
(see p.10 No. 16)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.10 No. 13)
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.10 No. 14)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.10 No. 4)
Note: If you use a 3-pin CPU fan cable, insert it to the connector by aligning it with the pins
"GND", "+12V", and "CPU_FAN_SPEED".
ATX Power Connector
(20-pin ATXPWR1)
(see p.10 No. 6)
COM Port Header
(9-pin COM1)
(see p.10 No. 26)
ATX 12V Connector
(4-pin ATX12V1)
(see p.10 No. 30)
PLED+
PLED-
PWRBTN#
GND
1
DUMMY
RESET#
GND
HDLED-
HDLED+
1
SPEAKER
DUMMY
DUMMY
+5V
GND
+12V
CHA_FAN_SPEED
N/C
CPU_FAN_SPEED
+12V
GND
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
This header accommodates
several system front panel
functions.
Please connect the chassis
speaker to this header.
Please connect a chassis fan
cable to this connector and
match the black wire to the
ground pin.
You may connect either a 3-pin
or a 4-pin CPU fan cable to this
connector, then match the black
wire to the ground pin.
Please connect an ATX power
supply to this connector.
This COM port header is used
to support a COM port module.
Please note that it is necessary
to connect a power supply with
ATX 12V plug to this connector
so that it can provides sufficient
power. Failing to do so will cause
the failure to power up.