ASRock 990FX Extreme4 manual LAN Port LED Indications, Table for Audio Output Connection

I/O Panel

1	2	3	4
				5				8
					6		9
				7		10

	18	17	16	15	14	13	12	11
1	PS/2 Mouse Port (Green)				10	Microphone (Pink)
2	Coaxial SPDIF Out Port				11	USB 3.0 Ports (USB23)
*3	LAN RJ-45 Port				12	IEEE 1394 Port (IEEE 1394)
4	USB 2.0 Ports (USB45)				***13	eSATA3 Connector
5	Side Speaker (Gray)				14	USB 2.0 Ports (USB67)
6	Rear Speaker (Black)				15	USB 2.0 Ports (USB01)
7	Central / Bass (Orange)				16	Optical SPDIF Out Port
8	Line In (Light Blue)				17	Clear CMOS Switch (CLRCBTN)
**9	Front Speaker (Lime)				18	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			SPEED LED
Status	Description	Status		Description
Off	No Link	Off		10Mbps connection
Blinking	Data Activity	Orange		100Mbps connection
On	Link	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	Side Speaker
	(No. 9)	(No. 6)	(No. 7)	(No. 5)
2	V	--	--	--
4	V	V	--	--
6	V	V	V	--
8	V	V	V	V

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ASRock 990FX Extreme4 Motherboard