ASROCK A75 PRO4 User Manual download pdf (Page 13)

1.4 I/O Panel

** 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

1 PS/2 Mouse/Keyboard Port (Green/Purple) 10 Microphone (Pink)

2 D-Sub Port 11 USB 3.0 Ports (USB01)

* 3 USB 2.0 Ports (USB23) 12 IEEE 1394 Port (IEEE 1394)

** 4 LAN RJ-45 Port **** 13 eSATA3 Connector

5 Central / Bass (Orange) 14 Clear CMOS Switch (CLRCBTN)

6 Rear Speaker (Black) 15 HDMI Port

7 Optical SPDIF Out Port 16 DVI-D Port

8 Line In (Light Blue) 17 USB 3.0 Ports (USB45)

*** 9 Front Speaker (Lime)

LAN Port

ACT/LINK

LED

SPEED

LED

***

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 Line In or

(No. 9) (No. 6) (No. 5) Side Speaker

(No. 8)

2 V -- -- --

4 V V -- --

6 V V V --

8 V V V V

* It is recommended to install the USB Keyboard/Mouse cable to USB 2.0 ports (USB23)

instead of USB 3.0 ports.

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ASROCK A75 PRO4 User Manual Page 13