Subject: Re: Can't run mol 0.9.58-1 on PowerTower Pro and LinuxPPC
From: Robert M. Fuhrer (rmf@asgard.pasttime.com)
Date: Sat Aug 18 2001 - 19:27:45 MDT
> On Sat, Aug 18, 2001 at 12:20:57PM -0400, Robert M. Fuhrer wrote:
> > > Robert M. Fuhrer wrote:
> > > > I tried using the ROM file I grabbed from my machine, but that
> > > > doesn't seem to work. It dies mid-way through the boot process
> > > > (before it gets to loading any control panels), showing the little
> > > > empty plain dialog with no buttons or text in it.
> > >
> > > Because you can't run 9.1 on an OldWorld ROM (like what I'm guessing
> > > that machine has).
> >
> > Huh? I'm able to run 9.1 on this OldWorld machine with its OldWorld
> > ROM (outside of MOL). I don't understand what you're saying, unless
> > you mean that MOL has some restriction that MacOS itself doesn't.
>
> If you used the rom_grabber and oldworld booting, then it should be
> possible boot MacOS 9.1.
Yup, that's what I did.
> However, oldworld booting on 8.6 and later
> *NOT* recommended (it might be more unstable, and the pram might not
> be saved/restored properly). Moreover, only certain boot ROMs are
> MOL compatible (ROMs from 7200, 8500 and a few others).
Perhaps my PowerTower Pro's ROM isn't MOL-compatible. In my first
attempt, I used that ROM, oldworld booting, and the MacOS 9.1 system.
> Oldworld booting is intended to used on MacOS 7.5.2 - 8.5.
Ah. I expected to use the same boot setup with MOL as with a normal
MacOS boot (i.e. if oldworld ROM + MacOS 9.1 works => oldworld ROM +
MacOS 9.1 + MOL should work too). Sounds like that's not the case.
> > I *was* using the 3.8 ROM file with MOL's "newworld" boot method.
> > Unless I missed something, the 3.8 ROM file *is* a NewWorld ROM; it
> > just doesn't work. I think the problem was that the 3.8 ROM is too
> > old for MacOS 9.1.
>
> Mixing old "Mac OS ROM" files with newer systems is *not*
> recommended, although there are a few exceptions (The 3.8 ROM
> work well on all MacOS 9 installations I've seen for instance).
>
> > Anyway, before I saw your message, I fixed the problem by using
> > TomeViewer to grab the 9.1 ROM file from my MacOS 9.1 CD. That
> > works fine.
>
> This is the recommended method. Since I'm currently working with
> a revised user guide... MacOS did not install a "Mac OS ROM" file
> in the System Folder by default, right?
Correct. There was no ROM file in my System Folder until I put one
there, in order to silence a warning on shutdown that said effectively
"you have no ROM file in the System Folder and may not be able to
reboot".
Interestingly, that warning left me in a reboot loop -- I'd select
"Shutdown", get the warning, I'd click on the "go ahead and reboot"
button, and it would pop me right back into MacOS.
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> "Smooth Jazz" is no jazz at all... <
> Dr. Robert M. Fuhrer rfuhrer@ba-dsg.net <
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