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Reinstalling OS X on a G5 with an nVidia 6800 Ultra Install
I had a faulty internal SATA hard disk (thanks S.M.A.R.T. for alerting me on time!) in my G5, so I decided to add a second internal hard disk and install MacOS X 10.3 anew -- not choosing to use Carbon Copy Cloner because I wanted a 'clean' slate, and at the same time, copy some important data from the source disk. When I booted from the Install disc (Panther), I got the dreaded multilingual message stating I should restart the Mac. Even when I hooked up my trusted rescue 20GB Firewire hard disk, I got the same error!

Luckily, I remembered I had installed the nVidia GeForce 6800 Ultra video card, so I decided to put the G5 in target disk mode (boot holding the T key down) and attach it to my portable with a Firewire cable. Install MacOS X 10.3 on the portable, but select the hard disk that resides in the G5 as the target. Don't forget to update this new Panther volume to 10.3.7, or upon booting the G5, it will still halt.

Of course, you could also fabricate your own "MacOS X 10.3.7" install disk, but this was faster.
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Reinstalling OS X on a G5 with an nVidia 6800 Ultra | 12 comments | Create New Account
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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: mike666 on Jan 20, '05 01:42:51PM

Please keep in mind that this won't necessarily work for everyone and may not even work properly in the long run for the author of this thread.

When you follow this procedure you're installing OS X for a different set of hardware and more importantly, a different processor class. While it may appear to work, the bootX file installed (among other things) is going to be different than the one that would've normally been installed when booted on the target machine itself and so some low-level stuff may not load properly at startup.

If you upgrade your video card, the best thing you can do is to keep the old one and if you need to reinstall OS X from scratch, reinstall the old card, install OS X, do your upgrades or install the drivers your 3rd-party card needs, and then reinstall the new card.

If you've upgraded your old card because it died, then it would pay to invest in updated OS X install discs or even buy a cheapie AGP card that'll work with your old ones.

That's my 2¢ - don't spend it all in one place...



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: Nimitz on Jan 20, '05 02:23:45PM

Hmmm. Though this might hold true for MacOS 9 and older, MacOS X 10.3 for sure works on ALL platforms (as summed up on the box). I simply cannot imagine needing a special G5-version of MacOS X 10.3.

Of course, you MUST update your copy of MacOS X 10.3 using System Update, but that seems obvious.
When I had problems as mentioned above, I wasn't thinking of wrong mach kernels or something.

(Kind regards to the folks of Apple Belgium, by the way!)

---
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The Nimitz



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: johnsawyercjs on Jan 22, '05 09:04:45PM

If the volume at least still boots, you can supposedly recreate the BootX file, using the command

sudo bless -folder "/Volumes/YourVolumeName/System/Library/CoreServices" -bootinfo "/Volumes/YourVolumeName/usr/standalone/ppc/bootx.bootinfo"

(the quote marks let you enter a volume name that contains spaces)

This uses the file "bootx.bootinfo" as the reference file from which to rewrite the BootX file for the particular version of Mac OS you're running. However, if you've copied an OS X installation from one Mac to another, this won't do anything to reassure you that your new BootX file contains the proper code for the Mac model that you do this on, since it will use the copied System's bootx.bootinfo file as its reference. But as "professor" points out below, the BootX file in OS 10.3.x is the same for all 10.3.x revisions.



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: Shawn Parr on Jan 20, '05 03:45:33PM

Actually there are two types of Install disks.

Typically the disks that come with a machine are more customized for that machine, and may not install properly, or at all, on other machines.

Retail Disks (with a Panther logo, rather than a Grey faced disk) install properly for any machine, as long as you do appropriate updates.



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: mike666 on Jan 20, '05 09:31:41PM

The name of the game is: YMMV. What I know comes from Apple's training camps directly from the mouths of their system imaging and netboot experts. I also know for a fact that the bootX file as installed on an older model machine won't usually work on a newer system.

It's all fun and games until someone loses an eye or the kernel panics start. :)



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Universal BootX file
Authored by: professor on Jan 22, '05 01:11:47AM

Yes and no. The BootX file in 10.2.8 and earlier did not support the G5. You needed a special build of 10.2.8, and the accompanying BootX file to boot a G5.

The BootX file which comes with MacOSX 10.3.x supports all mac models that are capable of running Panther. There is no special BootX file for different models.

You can tell at a glance which BootX file you have, just by looking at the beginning of the file. The current ones say

<CHRP-BOOT>
<COMPATIBLE>
MacRISC MacRISC3 MacRISC4
</COMPATIBLE>

whereas the older, non-G5-compatible, ones say

<CHRP-BOOT>
<COMPATIBLE>
MacRISC MacRISC3
</COMPATIBLE>

I speak from experience. I just upgraded from a G4 to a G5 by booting the latter in Firewire Target Disk Mode, reformatting the hard drive, and cloning (using CarbonCopyCloner) the G4's hard drive onto the new one.

Works just fine!



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Universal BootX file
Authored by: johnsawyercjs on Jan 22, '05 02:18:21AM

I'm sure that process works fine, but wouldn't it have been simpler to just boot from the G5's (presumably) existing OS X, connect the G4 to the G5 in Target Disk Mode, and let the G5's "Sytem Migration" utility (or is it the Setup Assistant?) do the job of importing the G4's files, prefs, etc.?



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Universal BootX file
Authored by: professor on Jan 22, '05 02:48:42AM

That would not have migrated all my Unix software nor my other system tweaks. This procedure, on the other hand, produced an environment which was an exact clone (in every detail) of the previous one.

I should say, also, that this is the third time I've used this procedure for hardware upgrades — the second time I've used it between processor generations (previously I upgraded from a G3 iBook to a G4 iBook this way).

The only thing you have to be sure of before proceeding is that the version (and the build) of the Operating System on the "old" machine is as new, or newer, than the one on the "new" machine. In the present case, I had 10.3.7 (build 7S215) installed on the G4 PowerMac, whereas the G5 came with 10.3.5.



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: lemurs on Jan 21, '05 12:00:36AM

i've booted my 6800 ultra card and 30 inch screen off of my g5 install cd, hardware test cd, and retail panther cd all without any problem. in all of that i might have had one panic in about 20 or 30 boots on systems which do not have the nvidia driver technically in them. this was all in the course of diagnosing the cracked screen on my first 30inch and apple was surprised that it would boot off of those other system disks. go figure, as they were also just as surprised that i could run the 30 inch on my powerbook mini, just at a much lower res.



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: buddilla on Jan 21, '05 12:47:05AM

If your old drive was still installed and connected on the G5 that may have been causing the kernal panics by locking up the bus. Usually the boot cd will handle a Video Card with default drivers. The boot rom for the Power Book has now been installed on your G5. For my self I have not seen this issue before on any G5 except for the fact that the new G5s will not boot from 10.3.5 Retial install discs. Actually any computer built after the 10.3.5 Retial discs will not boot from those retial disc resulting in a Broken/Frozen Grey apple. These things I address everyday at work. Ah the life of a Service Tech.

-drew

---
aim: buddilla
Geeklog User (Dual G4 867HZ Panther)



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: johnsawyercjs on Jan 22, '05 02:20:55AM

Just to be a stickler...that's spelled "retail", not "retial".



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Reinstalling OS X on a G5 with an nVidia 6800 Ultra
Authored by: buddilla on Jan 26, '05 05:33:02PM

lol... The mind moves faster then hands.

My bad. Oh mighty spell checker. Is there a shell scipt that i can replace you with or should i just deal with my dislexia.

-drew

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aim: buddilla
Geeklog User (Dual G4 867HZ Panther)



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