Search found 503 matches

by 1024MAK
11 Jan 2013 17:06
Forum: HARDWARE
Topic: Power supply
Replies: 12
Views: 3545

Re: Power supply

Hi Mark, given a choice, would you do the DC mods, or try to build the replacement AC PSU that you descibed in the ZX forum? regards Dave Well, I have two original Memotech PSU's (transformers), but four Memotech computers, two of which work, and two of which have faults. I think I only have one sp...
by 1024MAK
11 Jan 2013 00:04
Forum: HARDWARE
Topic: Power supply
Replies: 12
Views: 3545

Re: Power supply

Hi Phill, and welcome! :D For the +5V line I suggest you also remove Q4 or FS1. For the -12V feed, to supply the correct voltage and current for the -5V line, you may need to change the value of R60 (the 1K resistor). Myself, if I was going to convert a Memotech to use an external dc PSU, I would do...
by 1024MAK
24 Dec 2012 03:41
Forum: GENERAL DISCUSSIONS
Topic: How to reach out to Memotech owners
Replies: 4
Views: 2021

Re: How to reach out to Memotech owners

Hello there! Well first, the way I found my way here was via Dave contacting me at StarDot forums (the forum for Acorn Atom, BBC Micro, Electron and Archimedes machines and users) asking a Memotech related question. I then investigated a link in a follow up PM to me. The link took me to Andys Memote...