ASRock A55M-DGS manual Onboard Headers and Connectors

2.9 Onboard Headers and Connectors

Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage of the motherboard!

Serial ATA2 Connectors			These four Serial ATA2
(SATA_1: see p.2, No. 12)	SATA_3	SATA_4	(SATA2) connectors support
(SATA_2: see p.2, No. 13)			SATA data cables for internal
(SATA_3: see p.2, No. 11)	SATA_1		storage devices. The current
(SATA_4: see p.2, No. 10)			SATA2 interface allows up to
			3.0 Gb/s data transfer rate.
	SATA_2
Serial ATA (SATA)			Either end of the SATA data
Data Cable			cable can be connected to the
(Optional)			SATA / SATA2 hard disk or the
			SATA2 connector on this
			motherboard.

Print Port Header	AFD#
(25-pin LPT1)	ERROR#
	PINIT#	GND
	SLIN#
(see p.2 No. 17)
	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.

English

USB 2.0 Headers							Besides four default USB 2.0
(9-pin USB6_7)							ports on the I/O panel, there
(see p.2 No. 18)							are two USB 2.0 headers on
							this motherboard. Each USB 2.0
							header can support two USB
(9-pin USB8_9)							2.0 ports.
		USB_PWR
(see p.2 No. 20)			P-9
				P+9
					GND
	1					DUMMY
					GND
				P+8
			P-8
		USB_PWR

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ASRock A55M-DGS Motherboard