Mac OS 9 Discussion > Mac OS 9, Hacks & Upgrades
iMac G3 booting OS X, but not 9 from SSD
Figgy2112:
Hello, New Here, I recently acquired a iMac G3 Summer 2001, 600 MHz model that I was able to restore and I upgraded the ram to 512 MB and put a 128 GB SSD in there with a kingwin adapter, I was able to install 10.4 tiger on there fine and got stuff running and I previously was running 9.2.2 off a old IDE drive I had (drive that came with it was dead) and I transferred the files over to the SSD so I could use startup disc but every time I try to do it with macOS and it seems it fails to recognize it and I tried to manually install macOS nine and It can’t see the drive so is there anyway I can hack it to see the SSD? Kinda like xpostfacto but in reverse. Strange thing is I restored over the image at one point and the Mac recognized there was a bootable mas os 9 drive but it seems macOS nine just doesn’t like it. I tried Classic Environment and it runs horribly. If I can’t find anything, I’ll probably just get like a firewire drive and it use it externally but I would really like to get X and 9 dual booting off an SSD
aBc:
Some of those G3 iMacs required OS 9 to be installed
and resident upon the first 8 GB partition of the drive.
And your problem might actually stem from not
checking that “Install OS 9 drivers” box in Tiger’s Disk
Utility… if you used that to format and partition your
SSD. If this is the case, you might try again to use
Tiger’s Disk Utility to reformat and partition the SSD,
making certain to check that box… to see if an OS 9
installer would then recognize the SSD for an OS 9
installation.
If that doesn’t work, then…
If you’ve another machine that you can format and
partition your SSD in (outside of your iMac) then you
might try that… multi-partitioning the SSD with the first
8 GB partition for OS 9 and maybe the rest for Tiger.
I have done this before using 4 partitions; one 8 GB
for OS 9, one vacant for OS 9 file writes, then one for
Tiger and the remainder for Tiger file writes. You
determine what size you prefer the other partitions to
be (and how many). BUT using OS 9’s Drive Setup
1.9.2 or 2.1 from whatever OS 9 installer you choose,
first to format and partition the entire SSD before
placing it back in the iMac.
And as a possible further complication… when
installing Tiger (or immediately during, or before
reboot) be certain to exclude Spotlight (from System
Preferences > Spotlight > Privacy) to restrict Spotlight
from ever accessing your OS 9 partition or the OS 9
file write partition in order to avoid the ever-common
BTree error corruption associated with not taking this
step.
Also, under Tiger System Prefs > Classic… I always
check the box “Warn before starting Classic” as I
never run “Classic”. If I want to run OS 9 or OS 9 apps,
I boot into OS 9. (Just as I drag files from OS 9 to OS
X - but never the inverse.)
Good luck! YMMV ;)
And welcome to the Forum!
Figgy2112:
I did check the install Mac OS 9 drivers when I formated out of the drive and it is one of the later models that doesn’t require the 8 GB at the front, the issues is that no matter what I do, macOS nine straight up doesn’t see the drive on any of the buses at all
aBc:
Well then…
As that machine reportedly shipped originally with OS 9.1? / you might try an OS 9.1 install disc OR the (7) disc, Restore set from Macintosh Repository (which notes OS 9.2 for the 500 MHz model?). https://www.macintoshrepository.org/16935-mac-os-9-2-x-10-0-4-imac-g3-500-summer-2001-
OR the same set from Macintosh Gardens:
https://macintoshgarden.org/apps/apple-imac-g3500-summer-2001-indigosnow-original-software-media-set
Of course, downloading and burning only the first disc from either set might help to determine IF they would even recognize the SSD partition BEFORE downloading and burning them all.
I’m thinking that formatting and partitioning first with Tiger - may have something to do with it not being recognized… box checked or not.
Then there’s the FireWire option as well.
As in: installing a bootable version of OS 9 on an external FireWire drive to then see if the partition (on the SSD in the iMac) would be recognized from that approach (when booted from the FireWire drive).
Then if all the above still fails… remove the SSD and reformat & partition in another Mac, installing OS 9 first, then Tiger, etcetera.
Figgy2112:
--- Quote from: aBc on June 23, 2024, 10:01:22 PM ---Well then…
As that machine reportedly shipped originally with OS 9.1? / you might try an OS 9.1 install disc OR the (7) disc, Restore set from Macintosh Repository (which notes OS 9.2 for the 500 MHz model?). https://www.macintoshrepository.org/16935-mac-os-9-2-x-10-0-4-imac-g3-500-summer-2001-
OR the same set from Macintosh Gardens:
https://macintoshgarden.org/apps/apple-imac-g3500-summer-2001-indigosnow-original-software-media-set
Of course, downloading and burning only the first disc from either set might help to determine IF they would even recognize the SSD partition BEFORE downloading and burning them all.
I’m thinking that formatting and partitioning first with Tiger - may have something to do with it not being recognized… box checked or not.
Then there’s the FireWire option as well.
As in: installing a bootable version of OS 9 on an external FireWire drive to then see if the partition (on the SSD in the iMac) would be recognized from that approach (when booted from the FireWire drive).
Then if all the above still fails… remove the SSD and reformat & partition in another Mac, installing OS 9 first, then Tiger, etcetera.
--- End quote ---
I found an old firewire 800 External Drive that I’ll get an 800 to 400 cable for and run it off that, I literally have tried everything, changing the jumper around going through five different hard drives, different partition schemes and nothing in 9 would recognize at all, I even tried different versions of 9 and it still didn't work, also probably would’ve shipped with I think 10.0/.1 and 9.2.2 at that point (summer 2001, but it was the last released version and was in production until 03)
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