iMac G3 Update

21. August 2019 20:35 by Cameron in Mac  //  Tags: , , , , , , , ,   //   Comments

Well, after about a week's usage, it would appear that my flyback transformer died on my Graphite iMac G3. I verified by booting up the iMac with an external display and verifying that the Apple bootloader was present. The flyback dying is unfortunately a common occurrence with these late 90's early 2000's iMacs and CRTs. I looked at replacing this part, but they're very hard to come by these days and Apple used a variety of parts for the flyback. One part I found was about $50, but it would require a lot of work and would ultimately not be worth the effort.

I decided to buy one more iMac G3 to satisfy my classic Mac wants. It's either an Indigo or "Fruit" iMac G3, but I will need to wait and see. The seller didn't take a picture of the sticker on the bottom of the unit so I'm not sure. I purchased this model for $69.99 with the known issue of not having a hard drive. It did however have pictures showing the CRT in working order. I have accepted now that whatever happens with this iMac happens. It's possible I get a few years out of it, but it's possible I get a week. It just depends on the previous owner's usage.

There was no mention on condition of the CD (maybe DVD) drive so I will need to proceed with caution on using the internal disk drive. I will try putting in a blank CD to make sure it ejects disks correctly before attempting to use the internal disk drive. If the internal disk drive doesn't work, then I will use Target Disk Mode from my iBook G4 like I did on the previous iMac G3. I did see that there are some "salvaged" slot loading CD drives on eBay so I may give those a look at a later point. I didn't see any replacement DVD drives though. I did actually confirm that my external Pioneer Blu-Ray drive works on the USB 1.1 ports on these iMacs so that could work in a pinch.

For the storage,  will see about using a 250GB IDE HDD since it is the standard 3.5" form factor and should fit nicely without modification. There might be some compatibility issues preventing all 250GB from being seen. I've heard that you can just partition the drive into smaller partitions for it to be recognized by the system. If that doesn't work, I guess it will only be able to address the first 128GB of the drive. Another option will be to use my original SD to IDE adapter with the Class 10 128GB SD card. This should be fast enough with 80MB/s read and write.

Once I've confirmed installation of Mac OS 9 and Mac OS X Tiger, I will do a logic board swap (assuming the logic board needs swapping). Then, I will make sure that the PRAM battery is replaced and re-install the 2x512MB of RAM. I could get an AirPort card, but there isn't much point since it would be 802.11b which would heavily cripple the rest of my 2.4GHz network. I will likely keep it hooked up via 100Mbit ethernet on my desk. Hopefully after all that everything will still work!

Once all of the parts are salvaged from my previous iMac, I will need to see about taking the CRT to an ecycler which is kind of a bummer. I could also try to sell for parts first and then go the ecyle route if that doesn't work.

I will post an update following my reassembly of the next iMac shortly!

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