How do I get audio to work on HP Z400, Z600, and Z800 workstations in Red Hat Enterprise Linux 4?

Updated -

Release Found: Red Hat Enterprise Linux 4.7

Problem

When using HP's Z400, Z600, and Z800 workstations with Red Hat Enterprise Linux 4.7, a slight modification to /etc/modprobe.conf is required for audio support.

Solution

Add the following line to /etc/modprobe.conf:

options snd-hda-intel model=hp-bpc

After rebooting your system audio will function correctly. This modification is not required on Red Hat Enterprise Linux 4.8.

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