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Author Topic: iMac G3 rev A SSD upgrade OS 9 boot issue  (Read 13166 times)

gocarlo

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Re: iMac G3 SSD
« Reply #20 on: May 07, 2020, 12:40:34 PM »

Might have two of the G3 iMacs* arriving here this weekend
...so maybe not just you two having all of the fun. ;)

*Hopefully with original install & restore discs.

Awesome! Which models are coming your way?

While I await the arrival of the SSD and adapter, I went ahead and installed a 7200RPM 80GB IDE drive I found in the basement. It’s Apple branded, but I have no idea what it came from. It runs in near silence compared to the original 4GB drive in the iMac. You have to listen closely to hear it reading/writing over the case fan. Noticed a nice speed boost from it too.

I went ahead and ordered this 92x92x25 case fan for the iMac. Think this’ll be quieter than the original?

Vantec Stealth SF9225L 92x92x25mm Double Ball Bearing Silent Case Fan (Black) https://www.amazon.com/dp/B000234W0O/ref=cm_sw_r_cp_api_i_nogTEbBKN4V5Y
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FBz

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Re: iMac G3 SSD
« Reply #21 on: May 07, 2020, 02:07:37 PM »

Bondi Blue & Snow G3 iMacs.

Don’t know about your fan. Might be quieter but…
you need to match or exceed the original air displacement.
(CFM rating) SSDs do however subtract some heat.

Check fan spec comparisons AND read reviews on listing.

*Careful & thorough cleaning of original fan and its’ blades
often reduces noise PLUS maybe a very small drop of light
machine oil to (back) fan bushing can renew and improve
fan performance & reduce noise. (Bushing access is normally
under the original fans’ sticker label.)

Allow drop of oil to penetrate bushing overnight and wipe
any evidence of excess oil remaining away after fan has
sat on its’ face overnight. Replace sticker label.

Questions?? Power up original and new fan side-by-side
with 12 volts and blow smoke on both to see how much
air they “move” and just how fast. (i.e. "Smoke Test".)
Please report your findings. Thanks.
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DrMacenstein

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Re: iMac G3 rev A SSD upgrade OS 9 boot issue
« Reply #22 on: May 10, 2020, 08:34:04 AM »

SUCCESS!!!!! PROBLEM SOLVED!!!

Ok, here's what I did...

Parts:

44 pin to 40 pin IDE adapter
Link:  https://www.amazon.com/GODSHARK-Laptop-Desktop-Adapter-Converter/dp/B07R4WKDCP/ref=sr_1_3?crid=2T4FK5XPD0A7L&dchild=1&keywords=44+pin+to+40+pin+ide&qid=1589122680&sprefix=44+pin+%2Caps%2C248&sr=8-3

32GB KingSpec 2.5-inch PATA/IDE SSD Solid State Disk MLC Flash SM2236 Controller

Link: https://www.ebay.com/itm/32GB-KingSpec-2-5-inch-PATA-IDE-SSD-Solid-State-Disk-MLC-Flash-SM2236-Controller/331798359824?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

MacOS9Lives 9.2.2 Universal Installer

Link: http://macos9lives.com/smforum/index.php/topic,2109.0.html

Unitek USB 3.0 to IDE and SATA Converter External Hard Drive Adapter Kit for Universal 2.5/3.5 HDD/SSD Hard Drive Disk

Link: https://www.amazon.com/Converter-External-Universal-Function-Software/dp/B00EHDTRJ6/ref=sr_1_4?dchild=1&keywords=inatek+usb+ide+sata&qid=1589123082&sr=8-4

Steps:

1. Connected SSD to Unitek USB universal adapter and plugged it into my eMac running 10.2 Jaguar (can be any machine that is USB capable and is running OSX 10 to 10.3 as 10.4 and higher do not have OS 9 driver installation as option)

2. Formatted SSD on eMac as Apple Partition Map/Mac OS Extended (DO NOT select "journaled"!!)

3. Partitioned newly formatted SSD on eMac with 7GB Boot partition and the other 26 GB as storage. **Make sure to tick "Install OS 9 drivers" checkbox  on BOTH partitions before hitting the "partition" button**

4. Booted iMac G3 with original 6GB/Mac OS 9.2.2 HDD installed.

5. Connected newly partitioned SSD to iMac G3 via USB. The reason I didn't just format/partition the SSD on the iMac G3 is that OS 9 version of disk utility (I forget what it's called) can't format the SSD via USB as it says "unsupported" if attempted. additionally, I couldn't boot to CD on this iMac (still don't know why as the CD drive works fine but oh well, roadblock bypassed!)

6. Inserted MacOS9Lives 9.2.2 universal installer disk (burned on Jaguar machine via Toast 6) into CD-ROM drive.

7. Used Apple Software Restore app on MacOS9Lives 9.2.2 Universal installer CD to restore OS 9.2.2 to 7GB Boot partition on SSD connected via USB. It will ask you if you want Mac OS Standard or Mac OS Extended as format, just select "same as source" option

8. Opened System Folder on newly restored SSD partition to verify blessed system folder (should have mac smiley face on top of folder icon). It was!

9. Disassembled iMAC/installed SSD w/IDE adapter/reassembled iMAC. **MAKE SURE the jumper on the SSD is set to MASTER. if looking at the back of the drive, the jumper should be oriented vertically and jumping the furthest two pins to the right of the back of the drive.**

10. Booted up beautifully!!! Now iMac is running off the SSD.  ;D


« Last Edit: May 10, 2020, 11:20:28 AM by DrMacenstein »
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Currently owned systems:

iMac G3 Rev A Bondi Blue
iBook G3 Tangerine 300mhz
PowerBook G4 Titanium 400 15 inch
MacBook C2D Black-SR 13 inch
MacBook C2D White Unibody 13 inch
eMac (2005) w/ SuperDrive
iMac G4/700 15 inch
iMac G4/1.25 20 inch
Powermac G4 MDD
iMac C2D 20 inch (P7550)
MacBook Air 13 inch (2010)
iMac 27 inch 5K (2015)
MacBook Pro 15 inch (2019)

IIO

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Re: iMac G3 rev A SSD upgrade OS 9 boot issue
« Reply #23 on: May 10, 2020, 10:21:07 AM »

whoa, that kingspec is expensive. :)

Quote
as 10.3 and higher do not have OS 9 driver installation as option

up to 10.4 it should be available.

love those usb2sata adapters, too. mine was some 2,50 euro and since usb 1 is so slow, it is relatively safe to use (and power) it over usb 1. perfect emergy case data shovel when you dont want to / cant use firewire cables.
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FBz

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Re: iMac G3 rev A SSD upgrade OS 9 boot issue
« Reply #24 on: May 10, 2020, 10:47:19 AM »

Thanks for the great step-by-step! (Saved me from tearing into a G3 iMac).
Hopefully this will help gocarlo with his troublesome iMac SSD install

*Turns out the Bondi Blue here had a dead screen and the previously
reported “Snow” turned into an eMac! (A whole ‘nuther can-o-worms.)
So it’s off now to eMac teardown and blow-out.

If we could only get Nymunariya's… step-by-step VNC Raspberry Pi recipe?
What a great Muther's Day! ;)
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