System Panel Header
(9-pin PANEL1)
(see p.2 No. 17)
Connect the power switch, reset switch and system status indicator
on the chassis to this header according to the pin assignments below.
Note the positive and negative pins before connecting the cables.
PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may con-
fi gure the way to turn off your system using the power switch.
RESET (Reset Switch):
Connect to the reset switch on the chassis front panel. Press the reset
switch to restart the computer if the computer freezes and fails to per-
form a normal restart.
PLED (System Power LED):
Connect to the power status indicator on the chassis front panel. The
LED is on when the system is operating. The LED keeps blinking
when the sys-tem is in S1 sleep state. The LED is off when the system
is in S3/S4 sleep state or powered off (S5).
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.
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 14)
Print Port Header
AFD#
ERROR#
(25-pin LPT1)
PINIT#
(see p.2 No. 18)
1
SPD1
SPD0
STB#
ASRock FM2A75M-DGS Motherboard
This header accommodates
several system front panel
functions.
Please connect the chassis
1
SPEAKER
speaker to this header.
DUMMY
+5V DUMMY
This is an interface for print
port cable that allows
GND
SLIN#
convenient connection of printer
devices.
SPD7
SPD6
ACK#
SPD5
BUSY
SPD4
PE
SPD3
SLCT
SPD2
19