3 ms·
> Each machine would have a jumper to select either the top or the bottom 32KiB working region. So, did anybody mod the machine by replacing the chips by worki
by Someone 1y ago
> Each machine would have a jumper to select either the top or the bottom 32KiB working region.
So, did anybody mod the machine by replacing the chips by working ones and making that jumper software-controllable to get 16 + 2 × 32 = 80KiB of RAM?
I googled for that, but couldn’t find it.
- bzzzt 1y agoI recall reading about it in a Spectrum magazine in the 80s. While interesting, there was not much you could do with it since most software didn't need it.
- jerry_tk 1y agoYes, such mods were actually quite popular. Here is one example: http://blog.tynemouthsoftware.co.uk/2020/03/a-zx-spectrum-with-80k-of-ram.html http://blog.tynemouthsoftware.co.uk/2020/03/a-zx-spectrum-wi... You can buy upgrade kits even today: https://www.retroleum.co.uk/spectrum-repairs-mods https://www.retroleum.co.uk/spectrum-repairs-mods