Sinclair ZX80 / ZX81 / Z88 Forums

The tests that I have carried out were done on MTXPlus+, I have the ability to set clock speeds between 4 and 16MHz to run RAM tests and report the CPU type (NMOS or CMOS). I have had a few that totally failedl to run, this could be because they were U/S, or because they were 2.5MHz parts. As I coul...

"er, how can you tell a 'fake' one"

With difficulty !

you might find that page useful

http://primrosebank.net/computers/mtx/p ... _fakes.htm

regards
Dave

Hi, I have a few "fake" Z80s that are free to good homes - for the cost of postage (£1 per packet to the UK). I probably have a dozen or more, so, if there is any interest, I will dole them out in batches of 3 or so. These appear to be genuine Z80s, but "fake" in the sense that they are remarked chi...

Hi Stefano, Am I right in assuming that you are Stefano B*****o? I was aware of Z88DK, although I have not done anything with it (not that I could anyway). I do have references to it on my website, here http://www.primrosebank.net/computers/mtx/mtxtools.htm I know that Paul Daniels was experimenting...

Hi Tez, Thanks very much for the article, I was aware of an article in a NZ magazine called Computer Input from November 1984, although I've only seen the text of the article, not a full scan. I wasn't aware of this article though, I will certainly add it to the collection, thanks for taking the tim...

Hi, I know that this board is pretty much Sinclair ZX centric, but someone suggested that boards like this might be a good place to let folks know what is happening in the Memotech world ...... and, after all, it has a Z80 processor too :-) For those of you who don't know, Memotech was a UK Company ...