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Fenster
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PostPosted: Sun Jun 19, 2005 4:31 pm    Post subject: Coulple of generic questions about installing on PPC Reply with quote

I very recently picked up an Apple iBook as a somewhat more portable replacement to my old notebook-great machine, but big as a house-and of course, I want to install Gentoo on it, with a dual boot with OSX Tiger. However, this is my first "up and close" experience with PPC, and Apple specifically, so I have a few questions.

I want to split the hard drive, 20gb to Tiger and 20gb to Gentoo. Will I have any partitioning issues?

Bootloaders: This has caused me headaches in the past. If I install Gentoo first and use Grub, will Tiger just do a Windows job on it and overwrite all exsisting bootloaders?

Hardware in general, always an issue-I picked an older laptop (its secondhand) as it had Airport over Airport Extreme for driver support, but as a whole, will I run into any driver nightmares? Beyond that, is there any "idiot's guide" out there to PPC architecture in general?

That's all for now :]
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gentonix
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PostPosted: Sun Jun 19, 2005 5:04 pm    Post subject: Re: Coulple of generic questions about installing on PPC Reply with quote

Fenster wrote:

I want to split the hard drive, 20gb to Tiger and 20gb to Gentoo. Will I have any partitioning issues?

Most probably no. I have a 60 gb disk that is partiotioned approx. 27/27.

Quote:

Bootloaders: This has caused me headaches in the past. If I install Gentoo first and use Grub, will Tiger just do a Windows job on it and overwrite all exsisting bootloaders?

You cannot use Grub on PPC. PowerPC Linux has it's own special bootloaders, BootX and yaboot. Since your iBook seems to be a NewWorld mac you need to use yaboot. Yaboot is very simple to set up if you follow the instructions in the handbook. However, OS X has an annoying habit of overwriting the bootloader whenever you install it or install a update. I recommend you install and update Tiger first and then install Gentoo.

Quote:

Hardware in general, always an issue-I picked an older laptop (its secondhand) as it had Airport over Airport Extreme for driver support, but as a whole, will I run into any driver nightmares? Beyond that, is there any "idiot's guide" out there to PPC architecture in general?

The older iBooks are pretty nicely supported as far as I know. The PPC architecture in general is quite idiot-proof, all the iBooks are more or less the same, so if you run into any problems you can just copy someone else's working config to you system and use it. Expect some pretty annoying compile times, however, especially if you plan on using KDE or Gnome.

I recommend reading the Gentoo install Handbook and the PPC FAQ, those should get you started.
http://www.gentoo.org/doc/en/handbook/handbook-ppc.xml
http://www.gentoo.org/doc/en/gentoo-ppc-faq.xml
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Fenster
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PostPosted: Sun Jun 19, 2005 6:49 pm    Post subject: Reply with quote

Thanks for the links, good reading there, but they didn't quite cover my next set of questions, heh.

Partitioning. I'm currently repartitioning the disk using the Tiger CD. Can I safely create two partititons and then further break them down later during the various installations-this is ignoring the firmware partitions, of course.
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paddler
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PostPosted: Sun Jun 19, 2005 7:15 pm    Post subject: Reply with quote

On my Mac Mini I created a partition for installing OSx (Tiger should be the same) and left the unused portion of the drive as free space. When I installed gentoo I used mac-fdisk to partition the remainder of the drive and it worked fine.
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Fenster
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PostPosted: Sun Jun 19, 2005 7:18 pm    Post subject: Reply with quote

Thanks :)
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Fenster
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PostPosted: Sun Jun 19, 2005 9:01 pm    Post subject: Reply with quote

I reposted this on the installation problems board
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bruda
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PostPosted: Mon Jun 20, 2005 2:07 pm    Post subject: Re: Coulple of generic questions about installing on PPC Reply with quote

gentonix wrote:
OS X has an annoying habit of overwriting the bootloader whenever you install it or install a update. I recommend you install and update Tiger first and then install Gentoo.

Actually the bootloader is never overwritten, just the Openfirmware (the Mac equivalent of BIOS) variables get changed. After installing OS X (any flavour) just boot with the Option key pressed, select the cute penguin from the list, and you will find yourself in the familiar Linux environment. Rerun then ybin so that you will not need to press Option at the next boot.

Other than this, as the previous poster said, the older iBooks are fully supported and you should not have any significant problems.

By the way, this is how I partition my hard disk the easy way: create two partitions from the OS X side, install OS X on one of them and stuff, and once you are in the Gentoo environment delete the other one and create your Linux partitions instead. I tend to actually create all the partitions Linux side and then install OS X on one of them but this is a bit more complicated so don't bother unless you need to.
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