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I wanted to share this layout for a brand new PCB that I've created. It is intended to fit perfectly inside the Delta power supply housing that's common to the Quadra 800, 840AV and Power Macintosh 8100. These PSUs are failure-prone and notoriously difficult to repair, so I was keen to come...

Hi, I have a BlueSCSI V2 PowerBook edition, with Pico W, hardware version 2023.10a I think. I've hooked up a little piezo buzzer to the LED solder pads and this gives me feedback as to when the SD card is being accessed, which is really useful; I find the silence of solid state drives to be...

I've been posting extensively over on 68kmla.org but I wanted to ask here as well, since I know there are a quite a lot of compact Mac enthusiasts who don't frequent the other forum. I've been working to resolve an issue with my SE/30 Reloaded builds and it's become something of a serious...

I was just re-watching the excellent recapping guide by @JDW, on YouTube, for the SE & SE/30 analog board. On mine, C15 isn’t an electrolytic cap. Instead, it looks like this: Is it a film cap? It doesn’t need replacing, does it?

I need some help in trying to restore an Elonex PC-88C which has a Faraday FE2010A CPU, basically an 8088 XT Turbo clone. Here's a pic of the motherboard. Upon recently powering on, it started booting up, with a good picture on-screen, and passed the RAM test. It couldn't find a hard drive...