HP Compaq D315 Technical Reference Manual page 109

PC Beep Audio
MCP or MCP-2
PCI
AC'97
Bus
Audio
Cntlr.
(L)
(R)
Line In
CD Audio (L)
CD ROM
CD Audio (R)
Audio
Bias
Mic In
(L)
Line Out
(R)
L+R Audio
Figure 5-10. Audio Subsystem Functional Block Diagram
AC97
L+R (Mono)
Link Bus
Audio
HP Out
Audio (L/R)
Audio
Codec
Panel En
Switch
Logic
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003
Technical Reference Guide
Internal
Speaker
+
TDA
-
7056
Header
Front Panel Assembly
(L)
(R)
Audio
Bias
Headphones/
Line Out
Mic In
5-27