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Re: How do I move a disk from one 7xxx to another and related matters?

On Tue, 8 Jul 2003, Chris Tillman wrote:

> On Tue, Jul 08, 2003 at 10:16:32PM +0800, debian@computerdatasafe.com.au wrote:
> > > The difficulty with the 7200, and maybe the 7300, is that OpenFirmware
> > > doesn't drive the screen, so if you want to muck around in there, 
> > > you have to hook up a tty to the modem port.
> > 
> > Thereis lies a whole nother bunch of fun. I have a Mac modem cable, came
> > with a box of junk, and I have a PC null-modem cable. The two connect,
> > and with Linux running at both ends I can type back and forth at myself
> > until I become bored with it.
> > 
> > However, O-F talks the the peecee, but doesn't listen.
> > 
> > Quik also talks to the peecee and doesn't listen.
> Do you hae the terminal software set for 38400 baud? That's OF's

I do. If I hadn't, the output would be garbled too.

> native rate AFAIK. Also, check that the NVRAM output-device is also
> set to ttya (usually both input-device and output-device default to
> that).

It is. I'm sure you mean input-device (the output works), and that is

> > Since I wrote previously, I've booted the Woody bootfloppies and had a
> > fiddle with nvsetenv, and I set the system to boot from the internal
> > disk. Nothing happened that I could see, but I happened to be wired up
> > with minicom listening at the peecee and here's what it said:
> > RESETing to change Configuration!
> > no bootable HFS partition
> Have you actually run the Make Hard Disk Bootable menu item? That
> writes a boot block on the disk (partition '0') which starts quik.  If
> you're getting the boot: prompt, then that's done properly. If this
> message is coming from quik, re-check your quik.conf to be sure you've
> properly specified a root partition. But it doesn't sound like a quik
> message, because quik would be looking for ext2, not hfs.

This is my last MacOS disk. It has no Linux on it. I suspect that if I
run the Make Hard Disk Bootable menu item that will be the end of MacOS.

I think I'll initialise this disk and see what happens.

> > > 
> > > > Can I make a bootable CD for them without preserving macos?
> > > 
> > > Bootable CDs are not possible using only free software. We don't have
> > > bootable CDs in the distribution for OldWorlds. OTOH, a CD with the
> > > MacOS boot drivers is bootable no matter what remains on the hard
> > > disk. (But, if there are no HFS partitions, it wouldn't be able to do
> > > much anyway.)
> >
> > So long as it's legal, I don't care how I create bootable CDs. Is there
> > something I should read?
> I believe I read something about it in the mkisofs or cdrecord
> documentation. You copy the code from an existing bootable MacOS CD,
> IIRC. Legality is not my area.

I don't have any MacOS CDs. The README.hfs_boot file describes making a
bootable CD by filching code from a MacOS CD. As one can download some
release(s) of MacOS free of charge from Apple (but I've lost the link) I
presume there's no licensing issue.

However, the document _is_ three years old.

It looks like Darwin may boot: it says, "... the installer cannot create
a bootable partition on OldWorld machines." 

NetBSD is supposed to boot, but I have the CD and can't boot it. Neither
does it appear to try to boot off the LAN when I hold done "n" as
described at

> > How do I tell whether a disk has firmware I should keep?
> You wouldn't be erasing firmware, just the Apple disk driver partitions.
> If you won't have MacOS, you won't need them at all. 

Sounds good enough. I seems I can probably install to it, so I'll do a
basic install so I can more-easily play with other options.



John Summerfield

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