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ALSA support on PowerMac

This page attempts to summarize the status of support for ALSA sound on Mac ["PowerPC"] hardware. The info was gathered from this [http://lists.debian.org/debian-powerpc/2005/03/msg00883.html thread on debian-powerpc] and mimics the controls offered by alsamixer.

Please add any missing info you can provide.

Note that there is an [http://tinyurl.com/b44ls Ubuntu bounty] of 500 USD for whoever manages to fix ALSA support for all PowerMac subarchitectures.

More info on the [https://bugtrack.alsa-project.org/alsa-bug/view.php?id=306 ALSA bug tracker] (use the Guest login to view).

Chipset

Platform

Master Volume

Speakers

headphones

CD

Line Input

Microphone

Beep

awacs

Old World (601, 603, 604)

yes

yes (see note)

yes

yes

yes

yes

yes

awacs

G3 iBook a.k.a. Clamshell

no

screamer

G3 beige

yes

burgundy

G3 iMac

yes

to headphones

to speakers

yes

(untested)

yes

yes

USB audio

G4 Cube

G4 iMac (1.["25GHz"])

yes

tumbler

G4 Silver

yes

snapper

G4 ?PowerBook (?PowerBook 3,4)

yes

snapper

G4 iBook (?PowerBook 6.5)

yes

yes

yes

yes

yes

yes

yes

snapper

G5 (PowerMac 7,2)

yes

yes

yes

yes

?

yes

intrepid

Mac Mini

daca

keywest

eMac 700

no

no

NOTES

AWACS

Old World (601, 603, 604, 604e)

Beeping goes to both the internal speaker and the audio output, because the circuitry to cut the internal speaker off is not working. Only getting beeps to the audio output requires disconnecting the cable going to the internal speaker.

Burgundy (iMac G3)

  • Most of the mutes don't work, or their state cannot be saved.
  • Controls for the built-in stereo speakers and for the headphones are reversed (wrong offset in the control matrix?).