ASRock FM2A55M-DGS manual System Panel Header, Several system front panel, Functions

System Panel Header	This header accommodates
(9-pin PANEL1)	several system front panel
(see p.2 No. 17)	functions.

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- figure 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	Please connect the chassis
(4-pin SPEAKER 1)	speaker to this header.
(see p.2 No. 14)

Print Port Header

	AFD#
(25-pin LPT1)	ERROR#
	PINIT#	GND
	SLIN#
(see p.2 No. 18)
	1
		SPD7
		SPD6	ACK#
		SPD5	BUSY
		SPD4	PE
	SPD3		SLCT
	SPD2
	SPD1
	SPD0
	STB#

This is an interface for print port cable that allows convenient connection of printer devices.

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ASRock FM2A55M-DGS Motherboard