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thj
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PostPosted: Mon Feb 09, 2004 8:23 pm    Post subject: Installing gentoo on a iBook G3, sound and so on... Reply with quote

Hello there..
I'm going to install Gentoo + xfree + kde 3.2.0 on my iBook G3. I want to be sure about some things, before im formatting the harddisk, and delete every thing on it :)

Boot partitioning, is it the same as on a PC, or it is alot different, and can i still use GRUB as my boot loader?

The monitor, does someone know what the refresh rate is for the LCD monitor is?

And what about sound? Is there drivers for the sound in the kernel, or what ?

I hope you can help me here. I've been using Gentoo on my PC for some time now, but never tryied it on a PowerPC.

..sorry for my bad english :(
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overdozed
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PostPosted: Mon Feb 09, 2004 11:48 pm    Post subject: Reply with quote

If I got that right you have a sparc architecture :)
but I M a noob
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leftbas
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PostPosted: Tue Feb 10, 2004 6:35 pm    Post subject: Re: Installing gentoo on a iBook G3, sound and so on... Reply with quote

ether wrote:
Boot partitioning, is it the same as on a PC, or it is alot different, and can i still use GRUB as my boot loader?


Yes, and yes. The partitioning is OS dependant, not hardware dependant. Whether your processor is an Intel, AMD or PPC, and whether your drives are ATA or SCSI, Linux treats them in the same manner. The difference, of course, is the way the kernel is optimizes for your processor. As long as you have the PPC distro, you shouldn't notice a difference in the way you install Gentoo.

Good luck.
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Zoso
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PostPosted: Thu Sep 30, 2004 3:37 pm    Post subject: Reply with quote

PPC doesnt need a /boot partion when your installing, so it doesnt match a x86 etc install exactly....but you will of course know this when you read the manual: http://www.gentoo.org/doc/en/handbook/handbook-ppc.xml
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PostPosted: Thu Sep 30, 2004 6:16 pm    Post subject: Re: Installing gentoo on a iBook G3, sound and so on... Reply with quote

Quote:
Boot partitioning, is it the same as on a PC, or it is alot different, and can i still use GRUB as my boot loader?


I guess you could in principle initialize your hard disk with an x86 partition scheme, but this is likely to make OF choke. It may work too, but why would you want to do this. The best way is to follow the PPC handbook as advised in a previous post.

Quote:
The monitor, does someone know what the refresh rate is for the LCD monitor is?


Modelines and exact frequencies are obsolete, just provide a generic interval for the monitor rate and the real rate should be detected automagically (DDC). I also advise you to try Xorg instead of XFree86, the former is more up to date.

Quote:
And what about sound? Is there drivers for the sound in the kernel, or what ?


The ALSA drivers from a recent 2.6 kernel should work fine, just follow the Gentoo Linux ALSA Guide except Section 2 (drivers are already in the kernel). Use snd-powermac as alias for snd-card-0 in /etc/modules.d/alsa.
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skychum
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PostPosted: Thu Sep 30, 2004 11:18 pm    Post subject: Reply with quote

Boot partitioning:
When partitioning for an Open Firmware partition table, you have to use mac-fdisk, not fdisk like on an x86 machine (fdisk wont recognize the partition table). In mac-fdisk, enter "b" to create a new bootstrap partition, which is 800K, as opposed to a boot partition on an x86 machine which would be about 32M to hold the kernel image.
I don't know if GRUB works, but yaboot does.

Monitor:
the refresh on an ibook lcd is 60hz.

Sound:
There's both and alsa and oss sound driver in the kernel.
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KuroRyu
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PostPosted: Fri Oct 01, 2004 3:52 am    Post subject: Reply with quote

well, if you want to get technical, the refresh rates are 640x480@60Hz, 800x600@75Hz, and 1024x768@75Hz....
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iTux
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PostPosted: Fri Oct 01, 2004 5:54 pm    Post subject: Reply with quote

Hi,

I have a iBook G3 700MHz. Basically all the hardware works except video out.

Follow the instructions in the handbook.

For the configuration, its easier if you find the info from someone with same hardware. I started from the kernel config form this guy:

http://www.desertsol.com/~kevin/ppc/

So go work on it, read the doc, etc. Then if you encounter some problems come back here for help.

Note: If you don't have access to another machine, you might want to print the doc before...

Good luck!

iTux
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