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Old 13th December 2012, 01:02 AM   #2041
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https://help.ubuntu.com/community/Intel_iMac
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Old 13th December 2012, 01:36 AM   #2042
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Originally Posted by hitsware View Post
Thanks, I read it already. The problem is, when I power it on and hold C key it ignores it and boots into the Mac OS X.

What if to replace the hard drive, so it can't find OS? Will it boot from CD then?
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Old 13th December 2012, 01:41 AM   #2043
freax is offline freax  Australia
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Is capslock on? proobably not.


http://answers.yahoo.com/question/in...6153419AA9cBe8

Says that when you hear the startup chime you gotta hold down c key

http://techtips.salon.com/make-mac-boot-cd-4806.html

Says to make sure the cd is on the desktop, mounted, then do a reboot from the main menu and hold down c during reboot.
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Old 13th December 2012, 01:58 AM   #2044
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I hear no startup chime.

CD is on desktop. There are "boot options" icon, but I can chose from it either HD or network. No CD there.

It is 32 bit Ubuntu live CD.
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Old 13th December 2012, 08:28 PM   #2045
MrSlim is offline MrSlim  Canada
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Quote:
Originally Posted by Wavebourn View Post
Thanks, I read it already. The problem is, when I power it on and hold C key it ignores it and boots into the Mac OS X.

What if to replace the hard drive, so it can't find OS? Will it boot from CD then?
Are you holding down the C key when you hit the power button or after you hit the power button?
This link suggests holding down the C key before hitting the power button.

Also, have you updated your iMac to the latest firmware?

Last edited by MrSlim; 13th December 2012 at 08:33 PM.
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Old 13th December 2012, 09:41 PM   #2046
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- Snip -
Many thanks Tastie.
Very informative.
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Old 17th December 2012, 07:24 PM   #2047
UnixMan is offline UnixMan  Europe
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Quote:
Originally Posted by Wavebourn View Post
I hear no startup chime.

CD is on desktop. There are "boot options" icon, but I can chose from it either HD or network. No CD there.

It is 32 bit Ubuntu live CD.
you'll probably need the 64bit version. No way to EFI boot the "wrong" architecture.

BTW: you may want to have a look at: EFI-Booting Ubuntu on a Mac (and The rEFInd Boot Manager ).
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Old 22nd January 2013, 08:00 AM   #2048
phofman is offline phofman  Czech Republic
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Just a short info about merging sound cards for multichannel playback using the alsa "multi" feature.

Theoretically, USB adaptive cards connected to USB controllers timed by the same clock (i.e. controllers in the same chipset, typically those built into the southbridge) should run synchronously.

I took an 8-channel USB card, a 6 channel one, and created a 14 channel multi device in .soundrc, for details see Asoundrc - AlsaProject . I left the virtual device playing on all 14 channels the whole night (playing /dev/urandom through sox) without a single xrun. IMO the two USB cards run synchronously indeed.
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Old 22nd January 2013, 08:37 AM   #2049
markusA is offline markusA  Sweden
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Pardon a n0ob Q but is there a good Linux software for dsp and and digital x-overs?
I suppose it would be to much to wish for it to run on a Pi as well?

(I'm thinking 3- or 4-way stereo system...)
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Old 29th January 2013, 11:28 AM   #2050
UnixMan is offline UnixMan  Europe
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Pardon a n0ob Q but is there a good Linux software for dsp and and digital x-overs?
yes.

Quote:
Originally Posted by markusA View Post
I suppose it would be to much to wish for it to run on a Pi as well?
no way, a Pi simply does not have enough CPU power to do it.
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