Filter
Top Products
Technical Reference Guide
Compaq iPAQ Family of Internet Devices
First Edition - March 2000
5-27
Figure 5-11.
Audio Subsystem Functional Block Diagram
Legacy beep audio originates from the 82801 ICH and is applied to the output amplifier,
bypassing the audio codec so that basic support of beep codes produced during POST is
maintained.
Line
Out
(L)
(R)
PB Audio
(L/R)
AD1881
Audio
Codec
(L)
(R)
Line In
Internal
Speaker
+
-
TDA
7056
PC Beep Audio
Headphones
Out
(L)
(R)
CD
Audio (L)
CD
Audio (R)
CD ROM
AC97
Link Bus
82801 ICH
Reset
PCI Bus
SD OUT
SD IN
SYNC
BIT_CLK
AC’97
Audio
Cntlr.
Mic In
Audio
Bias