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Re: OF Patching on 8500



Hi,

On  27 Oct, this message from Gavin Sandie echoed through cyberspace:
> I've got an PowerPC 8500 which quite happily runs debianppc.
[snip]
> My problem is that I have never been able to see the OF
> screen, from what I've read I need to patch the OF and then
> use nvsetenv to change the output device to /chaos/control,
> currently when I change to /chaos/control I get a flickery
> screen. I've read that this is caused by the monitor
> not having enough time to sync up properly but that the
> patch will fix this issue.
> 
> I've read about how to patch the OF, however all the
> instructions require you to use MacOS. I know that it is
> possible to get a MacOS boot disk to allow you to do the
> patching but then I read that you need to make the boot disk
> from within MacOS. See:
> http://www.netbsd.org/Ports/macppc/SystemDisk-tutorial/of105patch.html

You can patch OF from within Linux as well. man nvsetenv.

Or see here:
http://www.cpu.lu/~mlan/linux/dev/g3upgrade.html
for what I'm doing.

Cheers

Michel

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