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Helpful answers
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Jun 11, 2012 6:26 AM in response to Gary - former developerby JustSomeGuy,You can plug in most any SCSI disk, but finding the software to partition and format it is another matter. Apple did install special firmware in particular models of disks so they were recognizable by tools like the SCSI formatter included in 7.0.1 (Apple HD SC Setup). In software that old, you're going to need to find either an Apple-blessed drive or get a hold of the hacked SCSI formatter that accepts whatever drive it finds on the bus.
See:
http://support.apple.com/kb/TA30344?viewlocale=en_US
and:
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by Appaloosa mac man,★HelpfulJun 11, 2012 6:18 PM in response to Gary - former developer
Appaloosa mac man
Jun 11, 2012 6:18 PM
in response to Gary - former developer
Level 5 (4,330 points)
Gary,
Copy/Install a System folder and boot from the Zip Drive. We used to have multiple zip disks with multiple systems. Even OS 8.1 will fit on a zip disk if you leave out the file translation software. For now, find a second Zip Drive and set one for ID 5 and the second for ID 6. Hopefully you were able to back up files before the hard drive died.
Also, a program from Mount Anything should work for you. The point of the Apple enabled drives was that the computer would recognize them at startup and did not require special software to mount the drive. Iomega provided Iomega Guest as a small file that could be installed on a friend's computer. Once you used Guest to mount the drive, you could select the drive as the boot device and the Mac would boot from the Zip Drive. Having Guest on your Disk Tools floppy would let you get up and going.
Ji~m
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Jun 12, 2012 5:41 AM in response to Appaloosa mac manby Gary - former developer,Thanks for the info. I have a decent backup of the hard disk.
In my search for a replacement, I've come across lots of disks in the 1 to 36 GB range. The original disk in my computer is 80MB.
Can I use one of these GB range drives in place of the smaller original one?
Gary
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Jun 12, 2012 6:02 AM in response to Gary - former developerby JustSomeGuy,Yes, you can use a larger drive - the extra space beyond what the OS is capable of seeing will be wasted, but that's not anything to worry about. Don't go nuts, though - aim for a small-ish drive, 1-2GB.
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Jun 15, 2012 11:54 AM in response to JustSomeGuyby Gary - former developer,I acquired two 40MB official Apple drives (made by Quantum) of unknown quality. I tried each one but neither was recognized by the computer. That is, Drive Setup says there are no SCSI disks found to initialize.
I've looked for the "Mount Anything" program that was referenced in an earlier reply but I came up dry. Where can I get a copy?
Gary
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Jun 15, 2012 12:14 PM in response to Gary - former developerby JustSomeGuy,Hmmmm, two "new" drives, both bad? Strikes me as a little odd. Do you hear them spin up? Are they jumpered as a SCSI ID other than 0 or 7?
This may be what Appaloosa mac man was talking about:
http://download.cnet.com/Mt-Everything/3000-2094_4-3043.html
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Jun 15, 2012 1:44 PM in response to Gary - former developerby Jan Hedlund,Gary,
The home page shows two versions of Mt. Everything (1.5.5). Only the 68k variant would be of interest in this case.
http://www.overnet.de/hhp/mte/
You may want to have a look at the Tips and Hints section of the manual.
http://www.overnet.de/hhp/mte/manual/tips.html
Jan
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Jun 15, 2012 3:42 PM in response to Jan Hedlundby JustSomeGuy,The thing is, with now three Apple drives that don't work with this Mac - the Mt Everything route strikes me as a bit of a red herring. Something hardware-ish is more likely wrong.
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Jun 15, 2012 8:28 PM in response to JustSomeGuyby Jan Hedlund,Hi,
Yes, I agree, but Mt. Everything could possibly be one way of confirming that. Gary has probably tried resetting the PRAM already. It may be worth inspecting the condition of the internal battery, too. A problem involving, for example, the SCSI circuits cannot be ruled out.
Jan
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Jun 16, 2012 6:27 AM in response to JustSomeGuyby Gary - former developer,I too began to suspect "something else" was wrong. So I set up a SCSI Test environment on a more recent Mac. I pligged each drive in and used Intech's Hard Disk Toolkit on them.
HDT successfully mounted all 3 drives with no data loss apparent. So I'm lookinbg elsewhere. I'll replace the PRAM battery next.
Gary
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by Gary - former developer,Jun 23, 2012 9:06 AM in response to Gary - former developer
Gary - former developer
Jun 23, 2012 9:06 AM
in response to Gary - former developer
Level 1 (96 points)
Well I replaced the PRAM battery, zapped the PRAM and loaded up Mt. Everything. Nothing brought the SCSI bus back to life.
I can boot off the floppy drive but that's it. Any other suggestions before I declare this a hardware failure?
Gary