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Compaq W4000 User Manual

Page 114

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Technical Reference Guide









Panel En

L+R Audio

(L)

(R)

Switch

Logic

P23

Headphones/

Line Out

Audio

Bias

Mic In

PCI
Bus

AC’97

Audio

Cntlr.

82801 ICH2

AC97
Link Bus

PC Beep Audio

L+R (Mono)
Audio

+

-

Internal
Speaker

CD Audio (R)

CD ROM

CD Audio (L)

Audio

Bias

Mic In

Line In

(L)

(R)




AD1885

Audio

Codec

HP Out
Audio (L/R)

(L)

(R)

Headphones/
Line Out

TDA
7056

Front Panel Assembly
















Desktop/Configurable Minitower Audio Subsystem

Optional on Evo units, standard on workstation
units.

Small Form Factor Audio Subsystem

82801 ICH2

PCI
Bus

AC’97

Audio

Cntlr.

AC97
Link Bus

PC Beep Audio

CD Audio (R)

CD ROM

CD Audio (L)

Audio

Bias

Mic In

Line In

(L)

(R)



AD1885

Audio

Codec

Line
Sense

HP
Sense

Mono
Audio

LA
4301

Equalizer

+

-

Internal
Speaker

HP Out Audio (L/R)

Line Out Audio (L/R)

(L)

(R)

Line
Out

(L)

(R)

Headphones
Out























Figure 5-10. Audio Subsystem Functional Block Diagram


Compaq Evo and Workstation Personal Computers

Featuring the Intel Pentium 4 Processor

Second Edition - January 2003

5-27