IPalindromeI
Well-known member
In the Windows world, you've seen videos of upgrade marathons going from Windows 1.0 to Windows 7/8. This /may/ be possible on Windows, but it requires 3 architecture swaps on a Mac. Using the same SCSI disk/partition, hopefully, (maybe it requires a disk swap) can you start at 3.2 (the first OS to allow installation) and then upgrade your way to Yosemite?
I think the easiest starting point is a Plus, as it can run early Systems, all the way up to 7.5.5. At that point, the other problem is you need either two PPCs or one hot-rodded enough to go from 7.5.5 to Tiger/Leopard, which depends on what Intel Mac you use. The suggested single-PPC would be a 9600 with a G4 upgrade card, which theoretically can limp its way to Tiger. On the Intel side, the easiest solutions are a MacPro1,1 hackintoshed up to Yosemite, a MacPro3,1 starting at Leopard, or a 2007 MacBook Pro.
Other suggestions include using a 32-bit clean IIx to get to 8.1 and then using an iMac1,1 or beige G3, which would be less ridiculous than the 9600.
The other problem is how old Systems (1.x and such) can run on a Plus, (just to swap floppies as an upgrade until 3.2 becomes installable) HFS to HFS+ conversion, big disks in a Plus, (can you just use multiple partitions then remove them, then expand? or set up an HFS+ partition) unbootability of HFS+ on 68k, and Apple Partition Map bootability on Intel.
I think the easiest starting point is a Plus, as it can run early Systems, all the way up to 7.5.5. At that point, the other problem is you need either two PPCs or one hot-rodded enough to go from 7.5.5 to Tiger/Leopard, which depends on what Intel Mac you use. The suggested single-PPC would be a 9600 with a G4 upgrade card, which theoretically can limp its way to Tiger. On the Intel side, the easiest solutions are a MacPro1,1 hackintoshed up to Yosemite, a MacPro3,1 starting at Leopard, or a 2007 MacBook Pro.
Other suggestions include using a 32-bit clean IIx to get to 8.1 and then using an iMac1,1 or beige G3, which would be less ridiculous than the 9600.
The other problem is how old Systems (1.x and such) can run on a Plus, (just to swap floppies as an upgrade until 3.2 becomes installable) HFS to HFS+ conversion, big disks in a Plus, (can you just use multiple partitions then remove them, then expand? or set up an HFS+ partition) unbootability of HFS+ on 68k, and Apple Partition Map bootability on Intel.