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HS-771 User’s Manual

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25

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2.8

The board integrates onboard audio interface with REALTEK ALC888 codec, with Intel

next generation of audio standard as High Definition Audio, it offers more sound and

other advantages than former HD audio compliance.

The main specifications of ALC888 are:

High-performance DACs with 100dB S/N ratio

2 DAC channels support 16/20/24-bit PCM format for 2 audio solution

16Compatible with HD

Meets Microsoft WHQL/WLP 2.0 audio requirements

The board provides 2 channels audio phone jacks and MIC-in port for front I/O panel

through audio cable.


Connector:

CN_AUDIO Connector:

CD_IN

Type: 10-pin (2 x 5) header

Type: 4-pin header

(pitch = 2.54mm x 1.27mm)

(pitch = 2.54mm)

Pin

Description

Pin

Description

1 MIC_L

2 Ground

3 MIC_R

4 Reserve

5 Speaker_R 6 MIC

Detect

7 SENSE

8 N/C

9 Speaker_L 10

Speaker

Detect

Pin

Description

1 MIC_L
3 MIC_R
5 Speaker_R
7 SENSE
9 Speaker_L

1

10

9

2

CN_AUDIO

CD_IN

1 4