*** M E M O R U M ***

Would it be the one without a PSU ?

If that's the case then that would be me

I'm not using the sideplate so if ya want it back no probs.

Cheers.

Phill.

And the memory is now upgraded to 64K, had a minor glitch as I managed to solder splash the board and connect the cpu /wait line to one of the data lines

But PAL replaced and PEEK(62122) now returns 1.

Cheers.

Phill.

Hi all,

Just had a look at the switches on my Keyboard and they look identical to the ones used in the Acorn Electon and BBC Master keyboards.

Cheers.

Phill.

Dave wrote:Hi Phil,

Good result - well done!

The video problem sounds more like a modulator problem, rather than the video board, but could be either I suppose,

Could be, though I'm using the direct video out.

Cheers.

Phill.

Hi all, The Memotech I bought off ebay arrived yesterday, having re-wired the power supply circuit to run of a Spectrum +2/+3 PSU, the machine powered on. However with the keyboard connected I could not get anything to appear on the screen, and after a couple of minutes on the display went blank, pr...

Hi Phil, Phill :) :) welcome to the forum and the world of Memotech. Cheers. I have a small survey running at the moment, to see what Memotech hardware is still around, if you get a few minutes, could you maybe complete it for me please? Sure once I have the machine, I've bought it and paid for it ...

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). I guess the other thing I could do for the -5v would be to replace the Zenner / R...

Hi all, I've just bagged myself a boxed Memotech MTX512 on ebay, but it alas comes without a PSU. I know that the original PSU was just a multi-tapped transformer as detailed here : http://www.sinclairzxworld.com/not-exactly-zx-related-but-related-t868s10.html?t=868&start=10 however having had a...