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I/O Panel
1
11
10
1
USB 2.0 Ports (USB01)
2
Parallel Port
* 3
LAN RJ-45 Port
4
Line In (Light Blue)
** 5
Front Speaker (Lime)
6
Microphone (Pink)
* There is one 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 enable Multi-Streaming function, this motherboard can support up to 5.1 CH audio only.
To enable Multi-Streaming function, you need to connect a front panel audio cable to the front
panel audio header. Please refer to below steps for the software setting of Multi-Streaming.
®
For Windows
XP:
After restarting your computer, you will fi nd "Mixer" tool on your system. Please select "Mixer
ToolBox"
, click "Enable playback multi-streaming", and click "ok". Choose "2CH" or
"4CH" and then you are allowed to select "Realtek HDA Primary output" to use Rear Speaker
and Front Speaker, or select "Realtek HDA Audio 2nd output" to use front panel audio. Then
reboot your system.
®
TM
For Windows
7 / Vista
:
After restarting your computer, please double-click "Realtek HD Audio Manager" on the
system tray. Set "Speaker Confi guration" to "Quadraphonic" or "Stereo". Click "Device
advanced settings", choose "Make front and rear output devices playbacks two different audio
streams simultaneously", and click "ok". Then reboot your system.
Audio Output Channels Front Speaker
2
4
6
8
2
9
7
USB 2.0 Ports (USB23)
8
USB 3.0 Ports (USB3_0_1)
9
Coaxial SPDIF Out Port
10
COM Port
11
PS/2 Mouse/Keyboard Port (Purple)
SPEED LED
Status
Description
Off
10Mbps connection
Orange
100Mbps connection
Green
1Gbps connection
Line In
(No. 5)
(No. 4)
V
--
V
V
V
V
V
V
ASRock P75 Pro3 Motherboard
3
4
5
6
7
8
ACT/LINK
SPEED
LED
LED
LAN Port
Microphone
Front Panel
(No. 6)
Headphone
--
--
--
--
V
--
V
V
3
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