On Fri, 11 Mar 2016 21:37:15 +0100, Marcel Kilgus wrote: > Thierry Godefroy wrote: > > That would be nice too: I'm worried that the EPROMs contents will end > > up ebbing away with time (I saw this happening many times, even on > > military grade systems), and these EPROMs are so large that they don't > > fit any of my EPROM programmers (which are limited to 27C512 for the > > largest EPROM). > > Same here, but 27C010 and 27C256 have basically the same pins, except > the 2 additional address lines. I built a simple adapter board which > includes DIP switches to toggle A15 and A16. This way I can program > the chips in 4 parts.
The Q60 EPROMS are 27C1024 (16 bits data bus): such a trick won't work for them. Thierry. _______________________________________________ QL-Users Mailing List
