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Anyone using 2006.1 on an iMac DV?
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ristosu
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Joined: 28 Oct 2006
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PostPosted: Sun Oct 29, 2006 11:09 pm    Post subject: Anyone using 2006.1 on an iMac DV? Reply with quote

I tried to boot 2006.1 Universal CD on my iMac DV 400, the original model with DVD drive. There were some strange squashfs error messages, but it made its way up to the prompt. From there on it was worse: new similar error messages, and most of the programs couldn't be executed. Like the CD reads failing...

Was the CD ok? Yes, because after booting with ide=nodma option everything was ok! So, is there something in the IDE-DMA-code, or is it just my Mac? BTW, even with this command line option, the kernel says that it enables Ultra DMA mode 2 on both drives, but apparently it does not do that.
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yawm
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Joined: 30 May 2006
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PostPosted: Thu Nov 02, 2006 9:50 pm    Post subject: Tweak your Hardware perfomance Reply with quote

I ran gentoo on an old Imac DV SE 400mhz with the DVD Combo drive

It seems I had the same problems

After Testing my harddisk:

Code:
hdparm -tT /dev/hda



But I tweaked the hardware perfomance with

Code:
hdparm -d 1 -A 1 -m 16 -u 1 -a 64 /dev/hda


And then everything went fine

playaround with these values:

http://www.gentoo.org/doc/en/handbook/2006.1/handbook-ppc.xml?part=1&chap=2
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