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dcv
Jul 16, 2006, 04:45 PM
OK following on from this (http://forums.macrumors.com/showthread.php?t=212420) thread, I decided to perform a "transplant" operation. I need to take the 20" iMac in for repair, but before I do so, the hard disk needs to be backed up. As it won't power on, I thought I could swap the hard disk over to my 17" iMac and connect up my new LaCie FireWire drive to take a clean backup.

I've taken some photos of this process, for all you geeks out there longing for a bit of iMac Pr0n ;)
(click on the thumbnails for a larger image)


Patient X (left): a sick 20" iMac G5 Revision B
Symptoms: will not power on.
Diagnosis: suspected logic board failure.
Prognosis: good; still under warranty.
Complications: hard disk has not been backed up in a very long time.

Patient Y (right): a healthy 17" iMac G5 Revision B who has kindly offered to act as a surrogate for the hard disk backup process.

http://img281.imageshack.us/img281/9282/dscf0001pv8.th.jpg (http://img281.imageshack.us/my.php?image=dscf0001pv8.jpg)


OK they're prepped and ready for surgery. Let's open them up:

http://img122.imageshack.us/img122/7749/dscf0004zl5.th.jpg (http://img122.imageshack.us/my.php?image=dscf0004zl5.jpg)

The hard disks are located to the top right of each machine.


The 20" iMac's hard disk is removed simply by taking out three brass screws (as indicated below).

http://img130.imageshack.us/img130/4467/dscf0007bj8.th.jpg (http://img130.imageshack.us/my.php?image=dscf0007bj8.jpg)

The drive can then be lifted an inch or so off the midplane and the logic board connector, hard drive power and data cables can be disconnected, as shown.

http://img61.imageshack.us/img61/1900/dscf0008uq6.th.jpg (http://img61.imageshack.us/my.php?image=dscf0008uq6.jpg)


The 17" iMac's hard disk removal is a tiny bit more complicated since you have to first remove to screws from the fan cover to get to one of the hard disk screws, but after that the process is the same.

http://img163.imageshack.us/img163/6172/dscf0010zg1.th.jpg (http://img163.imageshack.us/my.php?image=dscf0010zg1.jpg)


Ok here are the two disks side by side:

http://img524.imageshack.us/img524/9724/dscf0012zy1.th.jpg (http://img524.imageshack.us/my.php?image=dscf0012zy1.jpg)

As you can see the enclosure of the 20" one (pictured left) is a fraction larger and the logic board connector is located to the bottom, whereas the connector on the 17" disk is on the right hand side.


For this reason, the disk from the 20" iMac doesn't quite fit into the 17"

http://img322.imageshack.us/img322/2335/dscf0013jq0.th.jpg (http://img322.imageshack.us/my.php?image=dscf0013jq0.jpg)

The drive is held in by the cables attached to it, but because it wasn't quite fully seated and I was being rather cautious, I decided to ask (http://forums.macrumors.com/showthread.php?t=216934) the lovely people here at MacRumors if it were definitely safe to use it like this! Blue Velvet assured me it'd be fine and suggested trying to secure it a little with something before leaning it up to power it on.



So here it is ready to go... *so* nervous about pressing the power button...

http://img271.imageshack.us/img271/1902/dscf0015pl2.th.jpg (http://img271.imageshack.us/my.php?image=dscf0015pl2.jpg)


w00t! It works a dream.

http://img125.imageshack.us/img125/3924/dscf0017us0.th.jpg (http://img125.imageshack.us/my.php?image=dscf0017us0.jpg)

All ready to back up...


Thanks again to BV and others who posted their advice!



iGary
Jul 16, 2006, 04:46 PM
Man the insides of the G5 iMacs are so much better than the current ones. No offense intended. ;)

ironic23
Jul 16, 2006, 05:23 PM
Man the insides of the G5 iMacs are so much better than the current ones. No offense intended. ;)

Haha. You're right. To the OP, great transplant. :D I don't think i'd have the guts to do that, but there again, i backup 5 days a week.

dcv
Jul 16, 2006, 05:26 PM
i backup 5 days a week.

Let that be a lesson to me!

Applespider
Jul 16, 2006, 05:28 PM
Let that be a lesson to me!

Or not, now that you've discovered you're comfortable taking things apart...

FleurDuMal
Jul 16, 2006, 05:31 PM
Well this certainly made my drive hard :)

dcv
Jul 16, 2006, 05:33 PM
Or not, now that you've discovered you're comfortable taking things apart...

Hehe :D but no, I don't fancy doing that again. I've still got to swap the disks back (just letting it cool down now as the backup of 230GB took hours) and then detach the wall mount and reattach the desktop stand before I take it back to the shop... :rolleyes: What a pain!

mjstew33
Jul 16, 2006, 05:40 PM
Well this certainly made my drive hard :)
:eek: :confused:

Very nice transplant, dcv. I wish my iMac G5 Rev. C had the same insides. :(

solvs
Jul 16, 2006, 06:25 PM
I like the way my rev. B iMac is setup. Gets a little hot when I'm pushing it, but well within spec (and I am in CA in the summer). I back up to an external drive every once in awhile, but should probably do it once a day like on my server. I bought a USB to serial adapter (https://eshop.macsales.com/item/Newer%20Technology/U2NVSPATA/) in case this ever happens to me. Was only $25.

dmw007
Jul 16, 2006, 06:54 PM
Nice pics dietcokevanilla. I am glad to hear that everything went okay for you! :)

Man the insides of the G5 iMacs are so much better than the current ones. No offense intended. ;)

True. :)

GoCubsGo
Jul 16, 2006, 08:20 PM
hahaha how many of us still read the title as porn. typos aside...it looks like it was a success. good work.

kretzy
Jul 16, 2006, 08:24 PM
Definitely of the Hardcore variety. :cool: :D

Sun Baked
Jul 16, 2006, 08:25 PM
Definitely of the Hardcore variety. :cool: :DNot quite, that's the stuff that was saved. :p

Makosuke
Jul 16, 2006, 10:39 PM
Them's some nice pictures.

Definitely of the Hardcore variety. :cool: :DI think you mean Hardware.

"Get your steamy, XXX hardware porn here. Totally uncensored pics of G5 iMacs that show everything! Watch iMacs booting with barely legal hard drive exchanges--while exposed!"*

*Note: All models depicted are 18 months or older.

dcv
Jul 17, 2006, 02:42 AM
*Note: All models depicted are 18 months or older.

Actually both models are under 12 months old :eek:

Platform
Jul 17, 2006, 03:12 AM
Man the insides of the G5 iMacs are so much better than the current ones. No offense intended. ;)

True indeed, the iMac went $%&& inside with the Rev C G5, and continued with Intel, I hope for Apple that the Mac Pro remains "clean"

Makosuke
Jul 17, 2006, 02:47 PM
Actually both models are under 12 months old :eek:Ooh, Loli-Mac-porn. "Underaged iMacs--exposed!"

[edit: or maybe "Macs so young theyre still under warranty!]

SpaceMagic
Jul 17, 2006, 04:28 PM
Sounds hot :cool: