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I/O Panel
1
2
15
14
1
USB 2.0 Ports (USB01)
2
D-Sub Port (VGA1)
3
USB 2.0 Ports (USB23)
* 4
LAN RJ-45 Port
5
Central / Bass (Orange)
6
Rear Speaker (Black)
7
Line In (Light Blue)
** 8
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
Status
Off
No Link
Off
Blinking Data Activity
Orange
On
Link
Green
**
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
(No. 8)
2
V
4
V
6
V
8
V
ASRock H77M-ITX Motherboard
3
4
13
12
11
10
9
Microphone (Pink)
10
Optical SPDIF Out Port
11
USB 3.0 Ports (USB3_12)
12
eSATA2 Connector
13
HDMI Port (HDMI1)
14
DVI-D Port (DVI1)
15
PS/2 Keyboard Port (Purple)
ACT/LINK
LED
SPEED LED
Description
10Mbps connection
100Mbps connection
1Gbps connection
LAN Port
Central / Bass
(No. 6)
(No. 5)
--
--
V
--
V
V
V
V
5
7
6
8
9
SPEED
LED
Line in
(No. 7)
--
--
--
V
3
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