Technical Reference Guide

82801 ICH2

PC Beep Audio

 

 

 

 

 

 

 

 

PCI

AC’97

 

 

 

 

Internal

Bus

 

AC97

 

 

Speaker

 

Audio

 

L+R (Mono)

 

 

 

Cntlr.

 

Link Bus

 

+

 

 

Audio

TDA

 

 

 

 

-

 

 

 

 

 

7056

 

(L)

 

 

P23

Front Panel Assembly

Line In

(R)

 

HP Out

 

 

 

 

Audio (L/R)

 

(L)

 

 

 

 

AD1885

 

Headphones/

 

 

 

 

(R)

 

CD Audio (L)

Audio

 

Line Out

 

 

 

 

Codec

 

 

 

CD ROM

CD Audio (R)

 

 

 

 

Panel En

 

 

 

Switch

 

 

 

 

 

 

 

 

 

Audio

 

Logic

 

 

 

 

 

 

 

 

 

Mic In

Bias

 

 

 

 

 

 

 

 

 

 

Audio

 

 

 

 

 

 

Bias

Mic In

Headphones/

 

(L)

 

 

 

 

 

(R)

 

 

 

 

Line Out

 

 

 

 

 

 

 

L+R Audio

 

 

 

Desktop/Configurable Minitower Audio Subsystem

Small Form Factor Audio Subsystem

82801 ICH2

PC Beep Audio

 

PCI

 

 

AC’97

 

 

 

Bus

 

AC97

Equalizer

 

Audio

 

Link Bus

 

 

Cntlr.

 

 

 

 

 

 

 

Audio

Mono

 

 

Audio

 

Mic In

Bias

 

 

 

 

(L)

 

Line

 

AD1885

Sense

Line In

(R)

Audio

Line Out Audio (L/R)

 

 

Codec

 

CD Audio (L)

 

HP

CD ROM

CD Audio (R)

 

Sense

 

 

HP Out Audio (L/R)

 

 

 

Internal

Speaker

LA +

4301 -

(L)

Line

(R)

 

Out

(L)

(R) Headphones Out

Optional on Evo units, standard on workstation units.

Figure 5-10.Audio Subsystem Functional Block Diagram

Compaq Evo and Workstation Personal Computers5-27

Featuring the Intel Pentium 4 Processor

Second Edition - January 2003

Page 114
Image 114
Compaq W4000 manual Front Panel Assembly, Tda, Cd Rom