ASROCK 775i945GZ Mode D'emploi page 18

F. Enter Windows system. Click the icon on the lower right hand
taskbar to enter Realtek HD Audio Manager. Click "Audio I/O",
select "Connector Settings"
panel jack detection", and save the change by clicking "OK".
System Panel Header
(9-pin PANEL1)
(see p.2 No. 16)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 14)
Chassis Fan Connector
(3-pin CHA_FAN1)
(see p.2 No. 15)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.2 No. 5)
ATX Power Connector
(20-pin ATXPWR1)
(see p.2 No. 28)
ATX 12V Connector
(4-pin ATX12V1)
(see p.2 No. 2)
Serial port Header
(9-pin COM1)
(see p.2 item 9)
1 8 1 8 1 8
1 8 1 8
ASRock 775i945GZ Motherboard
, choose "Disable front
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.
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.
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.
This COM1 header supports
a serial port module.