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I've got a collection of a bunch of old laptops (Powerbooks, Sony Vaios, Thinkpads, etc) and I don't like having to keep all the power adapters along with them. Two questions: 1. Is there a high quality universal power supply with selectable voltage and swappable plugs that anyone recommends? I...

I have a hypothesis: Apple intended to launch the LC 475 / Performa 475 / Quadra 605 sometime in late summer of 1993, such as August or Sept, rather than announcing in late October for sale in Nov-Dec. This is an attempt to solve the mystery of many sightings of Performa 475's and LC 475's in...

Something I noticed over in Japan is this SE/30 dual PDS adapter, specifically with a daughterboard to supply 5v power. I've wondered about this need for additional power for accelerators (ofc needing the adapter card in addition to this) and those of us who try to cram in a bunch of PDS cards...

Just got a few QuickCams (2x B&W and 1x Color) and I'm having trouble getting anything of quality out of them. System SE/30 + Carrera040 + Micron Xceed running 7.5.5 with basic setup (fresh install, pretty bare minimum extensions). Running QuickCam 2.1.3 or QuickCam 2.0.2 software, set up to...

Thought this overview of open-toolchain FPGA hardware might be of interest to hardware hackers looking to build new projects with FPGAs:  https://www.ktemkin.com/exploring-open-fpga-hardware/

The current steel frame of the SE/30 has a few jobs: Hold the logic board in place above the bottom of the chassis Provide mounting points for the analog board and front case Support a hard drive and a floppy drive Support any PDS cards from moving around Hold the expansion...

After 7 years and dozens of various acquisitions, I've finally got a Micron Xceed! Pretty excited about getting it running. It came from a rusted SE/30 from eBay. I believe this is a Color 30 model. The only damage is some rusting on the PDS connector. After some toothbrush cleaning it looks...

Anyone ever try doubling up on LC PDS cards? Would they just work if stacked?   There have been multi-LC PDS solutions in the past, specifically MicroQue's TopHat which supported 4 LC PDS cards in a weird thick LC basement case. See my gallery here of images of that. What's interesting is in...

I have a mystic (575 board) color classic and just acquired a rather large LC video card called the Lapis ProColorServer 24 LC. It's physically much bigger than I expected, to the point where it gets in the way of the 575 board's VRAM.  I could probably make this physically fit by building a...

"Scientists were so preoccupied with whether they or not they could, they didn't stop to think if they should" In all seriousness though, has anyone ever attempted to put two accelerators in an SE/30? For example, a socketed powercache and a turbo 68040: I have no particular desire to be...

I just picked up a nice SE/30 and on boot I got this pattern. I swapped the board into my known working SE/30 and got the same pattern, so I know its not AB/power related. I'm assuming this pattern is typical for a board needing a recap, but want to confirm as I didn't see it on the repair SE/30...

I recently got my color classic put back together and there's a high pitched noise I'm trying to diagnose. I'm not an analog guy so I can't tell what it is. The sound repeats every 5 seconds or so and is louder when monitor is bright.  I recorded it using a nice mic and pulled out the spectral...