ASROCK 990fx extreme4 Manual page 3

I/O Panel
1 2
18 17 16
1 PS/2 Mouse Port (Green)
2 Coaxial SPDIF Out Port
*3 LAN RJ-45 Port
4 USB 2.0 Ports (USB45)
5 Side Speaker (Gray)
6 Rear Speaker (Black)
7 Central / Bass (Orange)
8 Line In (Light Blue)
**9 Front Speaker (Lime)
* 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
**
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
2
4
6
8
ASRock 990FX Extreme4 Motherboard
3
15 14 13
10 Microphone (Pink)
11 USB 3.0 Ports (USB23)
12 IEEE 1394 Port (IEEE 1394)
***13 eSATA3 Connector
14 USB 2.0 Ports (USB67)
15 USB 2.0 Ports (USB01)
16 Optical SPDIF Out Port
17 Clear CMOS Switch (CLRCBTN)
18 PS/2 Keyboard Port (Purple)
SPEED LED
Status Description
Off 10Mbps connection
Orange 100Mbps connection
Green 1Gbps connection
(No. 9) (No. 6)
V --
V V
V V
V V
4
8
5
9
6
7 10
12 11
ACT/LINK SPEED
LED LED
LAN Port
Central / Bass Side Speaker
(No. 7) (No. 5)
-- --
-- --
V --
V V
3