HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. The
LED is on when the hard drive is reading or writing data.
The front panel design may differ by chassis. A front panel module
mainly consists of power switch, reset switch, power LED, hard drive
activity LED, speaker and etc. When connecting your chassis front panel
module to this header, make sure the wire assignments and the pin
assign-ments are matched correctly.
Power LED Header
(3-pin PLED1)
(see p.2 No. 21)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 20)
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.2 No. 40)
(3-pin CHA_FAN2)
(see p.2 No. 7)
(3-pin CHA_FAN3)
(see p.2 No. 12)
(3-pin PWR_FAN1)
(see p.2 No. 2)
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.2 No. 6)
ASRock
Please connect the chassis
power LED to this header to
indicate system power status.
The LED is on when the system
is operating. The LED keeps
blinking in S1 state. The LED is
off in S3/S4 state or S5 state
(power off).
Please connect the chassis
speaker to this header.
Please connect the fan cables
to the fan connectors and
match the black wire to the
ground pin. CHA_FAN1/2/3 fan
speed can be controlled through
UEFI or AXTU utility.
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
1 2 3 4
890GX Pro3
Motherboard
2 9
2 9
2 9
2 9
2 9