SystemAudioVolume reset after Boot ?

JF Mezei

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Jun 26, 2009, 3:20:23 PM6/26/09

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I got myself of of them nifty (but heavy) Macbooks. This will be to do
presentations and stuff.

When you power-on, there is a rather loud "macintosh" sound. So I
googled and found the solution:

sudo nvram SystemAudioVolume="@"

(seems like space is lowest and Z is highest based on ASCII value, but
am not sure).

I reboot, and voila, the typical macintosh chord is now much quieter.

BUT, the SystemAudioVolume nvram variable was reset to W sometimes
during the boot process.

Anyone know if it is possible to prevent that value from being reset
during Boot ?

Erik Richard Sørensen

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Jun 26, 2009, 4:58:28 PM6/26/09

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I don't think so. I've tried it many times on my Pismo 500mhz running
10.4.11 and after getting a newer PB G4/1,67ghz with 10.5.7, it still
keeps resetting to default - infact somewhat higher than i like it to
be. Earlier on I used the 'Pssst!' tool to lower boot sound, but this
little tool doesn't work either with Intel nor with Leopard...

So until now I've been living with it, but have now found a small
controlpane that should be able to set the startup chime just the way
you wanna have it. It seems to work just fine at least on the PB, - on
my MacPro it isn't necessary to lower the startup chime...

StartupSound.prefPane 1.1b2 (beta)
control volume of startup chime
http://www.versiontracker.com/dyn/moreinfo/macosx/48992

cheers, Erik Richard

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MartinC

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Jun 27, 2009, 4:10:13 PM6/27/09

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Erik Richard S�rensen wrote:

> Earlier on I used the 'Pssst!' tool to lower boot sound, but this
> little tool doesn't work either with Intel nor with Leopard...

Which is strange, because it perfectly works here with both Leopard and on
Intel...

So I guess it rather has something to do with the specific mac/model, the
Pssst website mentions something like that it works on some Macs and fails
on others.

Erik Richard Sørensen

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Jun 27, 2009, 6:33:08 PM6/27/09

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MartinC wrote:

I guess so, 'cause others here have reported the same. - On one MacBook
it works, then bought a MBP and it doesn't work. - Here it won't work
with Leopard on the MacPro, but still with Tiger. On my PB G4/Leopard it
won't work either....

Cheers, Erik Richard

Jolly Roger

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Jul 8, 2009, 9:18:03 AM7/8/09

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In article <4a453674$0$25186$ba62...@nntp02.dk.telia.net>,

Yep, it works as advertised. It sets the volume to the desired level
just before shutdown.

FWIW, I have found Psst to be more reliable, especially on Intel Macs:

<http://www.macupdate.com/info.php/id/16780/psst>

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