Recent content by G7VFY

me too.

Yes, but the bit with the EPROM contents (that I found on the WWW) had no listing for the EPROM contents, plus, I'd prefer something more recent, maybe using an Arduino.

Do any of those interface fit the olivetti Praxis35? and do you still have them? regards Stephen 07956-544202

Ok. Well, you are probably going to hate me but I have decided to sell it instead. Thanks for all the offers of help but I am tied up with some domestic stuff right now and I don't the time, space or inclination to fiddle with this. I have put it on the evil ebay. There appears to be a really...

I have NO disks, or manuals, or anything else for it. I have, for now, resisted the temptation to introduce it to Mr Screwdriver, as yet. As a computer, I think it's a bit too modern for me. I like things with CRT's.

Looked in the back of my wardrobe and found a Tektronix Model: K1103 Protocol Tester in near immaculate condition. However... I have a dilemma. I was thinking of turning this into a 486? portable gaming rig but I have two minor dilemas 1. The keyboard cable is starting to crumble and it's one of...

What about tiny, surface mount z80 or z180 board with 64k or 128kb ram and switchable ram/rom banks? Something like this:- https://retrolemon.co.uk/sinclair/123-z80sram-ram-z80-cpu-replacement-module-for-zx-spectrum.html

Is there a temporary test rom/epromI can install?

I have model1's, model3's and some model 4's and a 4P. As many different OS as possible.

I have model1's, model3's and some model 4's and a 4P. As many different OS as possible.

That's really helpful, thank you.

I have a couple of expansion interfaces. I was looking for the pcb layout for the Steve Carcia clone that he designed about 30+ years ago.

Making trs-80 boot and software disks with GREASEWEAZIL controller. I have been trying to hobble together a basic MSDOS PC twith 5.25" and 3.5" floppies o create boot disks for TRS-80 and other machines. Can this be done and are there compatible disk images that I can download. Stephen G7VFY

1. I have two model 1's with no power supplies. I am in the UK and need a 240v one for each. 2. I have some external dual 5.25" floppy drives for the BBC micro (a mixture of 40 and 80 track, single and double sided) is there anyone who can sell me some floppy cables. I do NOT to experiment with...