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I added a Sonnet PPC card to a Quadra 700 and am now struggling with the MacOS 8.5 installation. The 8.5 system is installed, and I'm trying to follow the post installation instructions which require two files from a startup floppy that came with the card to be dragged onto the hard drive, after...

Two part question: 1. I am trying to revive a 720k floppy drive from a PS/2 model 30. The PCB on the underside of the drive had one of the surface mount capacitors fall off (C9, 22µF / 16V), so that's one obvious candidate to fix. However when I cleaned the area, it revealed that the pads were...

I added an internal CD ROM drive to my Quadra 950 but only had the solid bezel, so I 3D printed one with the right slot for the caddy. It's very white so I'd like to paint it with the right colour. Does anyone know what an easily recogniseable colour code or name would be that I could find...

Hello everyone, For a few weeks I've been working on my Quadra 950 which came to me in working condition but no hard drive in it. I did a thorough cleaning of the case and all interior components, cleaned and lubricated the floppy drive, and it was booting nicely and I was able to install...

[I hope it's alright to post this in here, seemed to be the most appropriate forum type] I just added an internal Sony CDU-561-25 SCSI drive to a Quadra 950. I have it jumpered to be on ID 2 as per the attached configuration (or so I thought, keep on reading). It's in the middle of a...

Hey all, I have this card from a IIx, and none of my searches have come up with anything so far. I only guessed this was a video card by the term "vram" mentioned on it. In some searches I found the name "Thunder" but none of the images I found seem to match this one. It does have a 15 pin port...

Hi there fellow Lisa (and other) aficionados! I have started the journey of repairing a heavily battery bombed Lisa 2 (Frankenstein/modified model, it has an internal hard drive + a parallel port). Right now I am tackling the motherboard which has most of the damage, hoping I can get it back to...

Would anyone have access to documentation on the jumper meaning and configuration for a 5.25" HD (1.2MB) floppy drive, model number YD-380 (manufactured for IBM by YeData). The only documentation I found were copies of maintenance materials which do not contain any information about what the...

I have an IBM 5170 board which suffered some damage from a leaking battery. It's mostly cleaned up but will most likely need some components replaced soon. Specifically, does anyone know what the component pointed to is? It's labelled FB2 and sits behind the backup battery connector by the...

For those who are using ultrasonic cleaners for boards (and other computer related components, if applicable): What sort of cleaning solutions are you using, if any? There seem to be quite a few that seem suitable for use on electronics. Bonus points if they're available in the US :-) Also, any...

What is a good quality external USB floppy drive I can use on either Windows or Mac machines to write floppy images (and that is still available to buy)? The one I have is too flaky and probably about to give up. Thanks!

I've got this expansion card with a brand of "Schlumberger" and an identifier of 100103-B, 100104-REV that I am unsure of what it is (see details in the pictures below). It came in an IBM 5170 I'm restoring right now, and had long ribbon cables with a to me unknown connector type hanging out of...