Activity Stream

I don’t think I’ve got anything that’s super rare. And I’m not really sure I want anything that so rare I’d be upset if it broke and I couldn’t get...

Putting an ammeter in series with D484 shows 24mA.

I think the HOT drive waveform is probably ok, the transistor is switched on for about the correct time period and the frequency is close enough. ...

According to this http://www.computinghistory.org.uk/det/4976/Tandy-1100FD-Laptop-Computer/ it has a 20MB IDE hard drive. You could try a IDE to CF...

The best I've been able to do is replace the floppy drive with a Gotek - which does greatly improve the usability.

Northstar Dimension Canon AS-100 color Canon AS-100 mono IBM PGC card and inoperative 5175 monitor Vermont Microsystems PGC clone, 80188 based...

Making progress on my 405x Tape Emulator with the help of the AR488 software author. Here is a photo of my Pololu 328PB Micro board mounted to a...

Thanks for the feedback and will test it on another computer. Fred

My thoughts... a nice solution. Well done.

Ah okay. I see what you mean. Thanks!

Currently my rarest pieces are: Zaisan ES3 computer IBM 5161 expansion unit Worm drive in my PS/2 model 60 Macintosh Portable pre-production demo...

I removed C467, C468, C470, and tested capacitance with DMM, and leakage at 60V (what my lab PSU goes up to). They are fine with those tests. Here...

It's just the internal Widget drive, not the Profile external one if that's what you mean by having the box. Just the drive itself with its...

I found another EPROM chip with P/N for IBM PC 5170 (Type 1) on eBay. U17 -- P/N : 6448894 U27 -- P/N : 6480084 U37 -- P/N : 6448895 U47 -- P/N...

This got me thinking about the who knows how many used items I bought on eBay and didn't ONCE take them apart immediately to examine them closely....

I looked at the first and the third I don't have a 5200 anymore but I remember the frustration over that #$#@$%@ controller - so a replacement is...

just call it Screwball Crime.

https://www.youtube.com/watch?v=08eeXcIeM14 It works to a large extent, if you're computer isn't too old (Intel 4th gen or newer), and you're...

At this stage in my life, I'm happy that I can sign up for my Covid jab using Firefox... :)

Two ST506 interface controllers in the same box? I'd bet against it. You'd have to assign different ports, IRQ and DMA and then find a BIOS to work...

I got my i5-4570 and i7-3770 from a local guy for a few bucks each ( he likes to recycle old machines he snags but would rather somebody use them)....

in the one video, towards the end, Linus suggested soldering connectors to something. I want to say he was using a Gigabyte card, but can't remember...