OS 10.3 - How can I install OS 8.6 while running OS 10.3.8

otto307 · otto307 #1 (**permalink**)

05-01-2008, 03:06 AM

I'm running OX 10.3.8 on an 800 Mh Power PC G4 . Attached by scuzzi (with an accelerator card) is a tower with five 40 gig hard discs. I wish to install OS 8.6 on one of the drives in the tower. I have an original OS 8.6 disc, but when I try and install by restarting and holding down the 'C' key, Classic will try and start, then an error message states that 'This Disc cannot be run from this computer'.

Is there some way of bypassing these issues to install OS 8.6 on a blank drive?

technologist · technologist #2 (**permalink**)

05-01-2008, 12:43 PM

I'm pretty sure that you can't install anything before Mac OS 9.2 on an 800MHz G4.

harryb2448 · harryb2448 #3 (**permalink**)

05-01-2008, 06:19 PM

As technologist states OS 9, however as far back as v. 9.0.4 from memory which is falling over rapidly lol.

cwa107 · cwa107 #4 (**permalink**)

05-01-2008, 06:58 PM

Quote:

Originally Posted by otto307

...Attached by scuzzi....

Just FYI, that would be SCSI (Small Computer Systems Interface). But we know what you meant.

MacHeadCase · MacHeadCase #5 (**permalink**)

05-01-2008, 07:28 PM

All these guys that already posted have it right.

The oldest versions of OSes to ship with any PowerPC-based 800 MHz G4 Mac was 9.2, X 10.0.4 according to everymac.com.

So if you want to install OS 8.6, you're outta luck according to Apple.

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OS 10.3 - How can I install OS 8.6 while running OS 10.3.8

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otto307 #1 (permalink)
Member Since: Apr 30, 2008 Posts: 1	05-01-2008, 03:06 AM I'm running OX 10.3.8 on an 800 Mh Power PC G4 . Attached by scuzzi (with an accelerator card) is a tower with five 40 gig hard discs. I wish to install OS 8.6 on one of the drives in the tower. I have an original OS 8.6 disc, but when I try and install by restarting and holding down the 'C' key, Classic will try and start, then an error message states that 'This Disc cannot be run from this computer'. Is there some way of bypassing these issues to install OS 8.6 on a blank drive?
	QUOTE Thanks

technologist #2 (permalink)
Member Since: Mar 30, 2004 Location: USA Posts: 4,744 Mac Specs: 12" Apple PowerBook G4 (1.5GHz)	05-01-2008, 12:43 PM I'm pretty sure that you can't install anything before Mac OS 9.2 on an 800MHz G4.
	QUOTE Thanks

MacHeadCase #5 (permalink)
Guest Posts: n/a	05-01-2008, 07:28 PM All these guys that already posted have it right. The oldest versions of OSes to ship with any PowerPC-based 800 MHz G4 Mac was 9.2, X 10.0.4 according to everymac.com. So if you want to install OS 8.6, you're outta luck according to Apple.
	QUOTE Thanks

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