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Took delivery on what appears to be the first version of the SuperMac Spectrum 24. It is however not working. No video output. TattleTech says the card is not detected. Nothing in the Monitors control panel either. The card itself looks to be in good condition. No obvious damage and didn't...

Another year, another SuperMac Spectrum 24 card to debug. :oops: Yes, I am 4/4 on obtaining cards with issues and batting 2 for 4 so far in fixing them. I fixed a dead 24/IV... fixed a slightly malfunctioning 24/PDQ... still continue to have some problems with a 24/III. The latest is a SuperMac...

Normally I haven't bothered too much with the floppy drives (aside from getting them kinda working and ejecting), but now that I have two disk centric models (512K and Plus), I have been getting more and more annoyed with the lack of consistency across the floppy drives in my 11 vintage...

Pulling this into a separate thread for future search purposes. I recently got a Macintosh SE/30 and have been working to get it back in working condition. This Mac did not have any battery bomb issues. The board was relatively clean. It had already been recapped before it came to me (tantalums...

As part of my IIfx restoration project, I had installed System 7.1.2, and I had run into strange crashes running Adobe Photoshop 3.0.5 with that setup. Never really looked into it further but it was a bit annoying. A few weeks later, I upgraded the machine to System 7.5.5 and everything was...

I might be joining this party late but man, I am happy with the BMOW Wombat ADB/USB adapter. :) Really great product from @bigmessowires. I have a MacBook Air, Linux PC, Macintosh IIfx, and a Macintosh Quadra 700 that I routinely use from a single desk. I've had a 2 input KVM switch (well KM...

Took delivery on a Quadra 800 this week. This thread will document my process of cleaning it up and adding it to my fleet. The unit was in ok condition upon visual inspection. The outer case was yellowed but still intact. Two of the front drive bay bezels had broken clips and were taped on. The...

Hoping someone well versed in video/LCD panels might be able to educate me. I have four LCDs that I use with my 68K machines. One is a 15" Samsung (512N) and the other three are 15" NEC 52Vs. All are native 1024x768 panels and can operate in both 60Hz and 75Hz vertical refresh rates. The...

A few weekends back, I finally got myself to finish cleaning, re-gearing my floppy drives. After mentioning this in the What did you do to your Apple/Mac today? thread, @s_pupp and I had a quick conversation about how much the eject motor seems to struggle after the gear has been replaced...

Ok, my turn to try to rebuild the 5300 battery pack for my 5300c. I'm just starting so will provide updates in this thread as I attempt to figure things out and hopefully don't fail. I couldn't find a successful rebuild on the forum but maybe I'm not searching properly? Anyhow.. The 5300c I...

I've got a 5300c and a 5300cs, but only one power brick (which is working ok so far). I want another. 24V power supplies with at least 2amps are plentiful. For the male connector, it looks like it's a 3.75mm outside diameter by 1.3mm inside diameter. This doesn't seem to be a standard size. The...

From the lot I picked up a month or so back, there were two IIci computers. One went to a forum member. The other was a disaster inside due to the PRAM battery having been left in there all these years. Opening up the case, I was greeted with this (and this was after I had cleaned up what looked...

Recently saw two PowerBook 5300 series laptops on eBay. One was a 5300c listed as parts only and apparently had some keyboard and chassis issues. The second was a 5300cs listed as parts only and apparently would not get past a sad mac with death chimes. I was only intending to pick up one but...

My search skills are just not working great today so asking for some help. I've got two transistors on a IIci motherboard that are pretty corroded. Not sure if they work or not but given their appearance, I wanted to start working on procuring proper replacements. These are the transistors I'm...

I've been taking a look at @techstep 's Quadra 840AV which has been having some boot/post issues. I need some additional suggestions. Setup: the motherboard, PRAM battery installed, memory installed, connected to speaker, connected to original power supply, connected to 13" Apple monitor, no...

I wanted to share information on this PowerBook 5xx Power Supply Connector I have been toying with. Been so busy with other projects lately that I only got a chance to play with this a bit more today. I have not yet worked on the actual power supply yet but I wanted to at least share the...

Finally found a IIfx (part of a Macintosh lot I lucked into and picked up over the weekend). Looks like it will need some work. I have not had a lot of time to look at it so far but some observations: Exterior looks clean and in good shape. Interior also looks relatively clean and the...

As 2023 began, I stumbled upon a listing for a Quadra 700 while searching for non-related camera gear. Although I'd been using modern Macs for quite some time, I hadn't thought at all about the 68K Macintoshes I had spent a ton of time with growing up, the 512K, SE, Macintosh IIs, Quadras. I...

27 years ago, I sold my PowerBook 540c via a Usenet posting. It was tough seeing it go but I needed the funds to expand my experiments with Linux at the time. Well after all this time, I took delivery today of a "parts only" PowerBook 540c for a really low price. Came with a power supply also...

In January I picked up an Apple Macintosh 16" Color Display from a junkyard. It powered up and displayed an image but there were a lot of gremlins causing issues ranging from strange artifacts on the screen, very visible noise, unexplained behavior. I ended up tearing it apart and recapping it...