Changes
The tool can backup RAM contents (including CPU registers pushed in RAM), but, unlike [[Multiface II]], it cannot backup read-only I/O ports like CRTC (vram address/size) and Gate Array (screen colors) - the included software allows to manipulate that values manually (this would be only required with programs that use nonstandard CRTC value, or that use direct I/O to modify colors).
Now, thanks to Jose Leandro, the hardware specialist of the spectrum, with his famous page :
http://trastero.speccy.org/cosas/JL/JL.htm
Now we can know all about this hardware.
== Pictures ==
