ASROCK 775DUAL-915GV User Manual page 24

System Panel Header
(9-pin PANEL1)
(see p.12 No. 19)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.12 No. 18)
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.12 No. 17)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.12 No. 4)
ATX Power Connector
(20-pin ATXPWR1)
(see p.12 No. 31)
COM Port Header
(9-pin COM1)
(see p.12 No. 23)
ATX 12V Connector
(4-pin ATX12V1)
(see p.12 No. 2)
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
GND
cable to this connector and
+12V
CHA_FAN_SPEED
match the black wire to the
ground pin.
Please connect a CPU fan cable
to this connector and match
the black wire to the ground pin.
Please connect an ATX power
supply to this connector.
RRXD1
This COM port header is used
DDTR#1
DDSR#1
to support a COM port module.
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
Please connect an ATX 12V
power supply to this connector.
2 4 2 4 2 4
2 4 2 4