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PostPosted: Sun Oct 28, 2018 9:10 am 
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Google only seems to direct me to videos made by people who don't use enough light or speak clearly (what's the point?).

Does anyone know where I can find documentation on how to remove the hard drive from a late 90s iMac G3?

Thanks!

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PostPosted: Sun Oct 28, 2018 1:16 pm 
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Late '90s not very specific, so can't find anything directly, but getting a number of hits for

"hard drive replace imac G3 site:ifixit.com"


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PostPosted: Sun Oct 28, 2018 1:21 pm 
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https://www.youtube.com/watch?v=vOhHJAxlMUA

https://www.instructables.com/id/Comple ... e-IMac-G3/

30 day free read...

https://www.scribd.com/doc/103447/iMac- ... mbly-Guide


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PostPosted: Sun Oct 28, 2018 7:08 pm 
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There were two generations of iMacs, and they were both introduced in the 90s which I think is the source of the confusion here. While they superficially look similar the underpinnings are different.

iFixit has this HD replacement guide for what I think is the first generation:
https://www.ifixit.com/Guide/iMac+G3+Mo ... ement/1563

While it only has a complete teardown guide for what I remember being the second generation:
https://www.ifixit.com/Device/iMac_G3_Model_M5521
Once you finish step 12 you can stop and reverse the steps to put it back together.

The first generation had a tray-loading drive, while the second had a slot-loading mechanism. Tray means a tray pops out to put a CD onto, slot means you insert a CD into a slot. Though I've cleaned plenty of peanut butter out of slot loading drives. Computers don't like being fed peanut butter, I don't care what the kids say. :D

Wikipedia has a good breakdown on the various iMac models in case anyone needs a refresher (I know I did):
https://en.wikipedia.org/wiki/IMac_G3


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PostPosted: Mon Oct 29, 2018 3:53 am 
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The model identifier from the OS info window would greatly help here. I still have all of the service source manuals BDAqua sent me years ago. Should be one in the lot that gives you both instructions and part numbers for anything required for them.

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PostPosted: Mon Oct 29, 2018 2:01 pm 
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Squishy Tia wrote:
The model identifier from the OS info window would greatly help here.

Ah... of course. Well, the computer, which was my Dad's before he passed away several years ago, is now in the possession of my brother who isn't Mac savvy, and doesn't seem interested in even seeing whether it will boot (altho I see no reason why it wouldn't). He just wanted to pull the boot drive, "render it unusable," and bring it all to recycling. But I'll see if I can convince him and talk him through starting it up.

Thanks!

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PostPosted: Mon Oct 29, 2018 8:25 pm 
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Several reasons why it might not boot up: 1. PRAM/CMOS/clock battery (or some other name) could be, or most likely, dead by now, assuming it had never been changed in all these years. 2. PAV board*(power analog video board) could also be kaput. They often go on these -- I used to keep a fan blowing over the top of my G3 (late '01, if I recall correctly -- did open it up to put in larger drive, and replace battery back in '08) when it was still in use. "Self cooling," no internal fan with all the heat rising to the top didn't work out all that well, killed the PAV board. Note: stay away from PAV board -- very high voltage, lethal. Caps retain a lethal charge even days after powering down.

*Note, PAV board located at top below ventillation holes. Not necessary to go near this to get at drive. Drive located in bottom section.

Have him look around exterior and underneath for EMC# or some kind of identification.


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PostPosted: Tue Oct 30, 2018 3:28 am 
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VERY helpful info. THANKS, WZZZ!

EDIT: In looking over the various early iMac models, I really believe Dad's was the original Bondi model (blue; before the other translucent colors were added). Is that at all helpful?

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PostPosted: Tue Oct 30, 2018 7:57 am 
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If it's the original, or close enough, then it's the tray loading model. I would send him the link to the iFixit drive replace instructions, already provided by MB.

https://www.ifixit.com/Guide/iMac+G3+Mo ... ement/1563

Since he only wants to get at the drive to remove/destroy the data, wouldn't think he'd need to be all that careful about mangling a few things. Once out, the drive itself opens up with several small screws, and then the platter can be subjected to a strong magnet, or just sledge hammered to pieces.


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PostPosted: Tue Oct 30, 2018 8:28 am 
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GREAT! Many thanks, WZZZ!

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PostPosted: Tue Oct 30, 2018 9:00 am 
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If your brother has access to a drill press, a few holes through the platters will effectively destroy any chance of retrieving data. Also, oddly enough the "frame" of the drive is easier to drill through than the metal cover. So circuit board side up on the press and zoot zoot zoot destructo.


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PostPosted: Tue Oct 30, 2018 11:11 am 
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MonkeyBoy wrote:
zoot zoot zoot destructo.

I like it. I'll pass that along! Thanks. MB!

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