ASRock AD2550-ITX manual I/O Panel, LAN Port LED Indications, Table for Audio Output Connection

1.5 I/O Panel

1	USB 2.0 Ports	** 8	Front Speaker (Lime)
2	D-Sub Port	9	Microphone (Pink)
* 3	LAN RJ-45 Port	10	USB 2.0	Ports
4	Central / Bass (Orange)	11	USB 3.0	Ports (ASMedia ASM1042)
5	Rear Speaker (Black)	12	HDMI Port
6	Optical SPDIF Out Port	13	DVI-D Port
7	Line In (Light Blue)	14	PS/2 Keyboard Port (Purple)

*There are two LED next to the LAN port. Please refer to the table below for the LAN port LED indications.

LAN Port LED Indications

Activity/Link LED

Status	Description
Off	No Link
Blinking	Data Activity
On	Link

	SPEED LED
Status		Description
Off		10Mbps connection
Orange		100Mbps connection
Green		1Gbps connection

ACT/LINK SPEED

LED LED

LAN Port

**If you use 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”.

See the table below for connection details in accordance with the type of speaker you use.

TABLE for Audio Output Connection

Audio Output Channels	Front Speaker	Rear Speaker	Central / Bass	Line In or
	(No. 8)	(No. 5)	(No. 4)	Side Speaker
				(No. 7)
2	V	--	--	--
4	V	V	--	--
6	V	V	V	--
8	V	V	V	V

To enable Multi-Streaming function, you need to connect a front panel audio cable to the front panel audio header. After restarting your computer, you will find “Mixer” tool on your system.

Please select “Mixer ToolBox” , click “Enable playback multi-streaming”, and click

“ok”. Choose “2CH”, “4CH”, “6CH”, or “8CH” and then you are allowed to select “Realtek HDA Primary output” to use Rear Speaker, Central/Bass, and Front Speaker, or select “Realtek HDA Audio 2nd output” to use front panel audio.

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