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
11
12
ACT/LINK
SPEED
LED
LED
LAN Port
Central / Bass
Side Speaker
(No. 7)
(No. 5)
--
--
--
--
V
--
V
V
3