I will try the latest Minerva4Q68 as soon as I get time. Dilwyn
On Tue, Feb 20, 2024, 07:44 Peter Graf via Ql-Users < ql-users@lists.q-v-d.com> wrote: > Jan Bredenbeek via Ql-Users wrote: > > > Oh well, if Peter Graf can upgrade my Q68 to v1.05 in May I might be > > able to do more research... > > Please remind me prior to the QL meeting so I bring the equipment and > FPGA data. > > As I wrote at several occasions, it turned out to make a difference on > which operating system I had synthesized FPGA version 1.05. If > synthesized under Windows 10, there was a stability problem that Martyn > could reproduce. If synthesized under Windows XP, everything should be > allright. Unfortunately, I never suspected such a problem with the FPGA > toolchain, and it is now not traceable. Very unlucky. > > In any case, the fast SD card speed option of SMSQ/E is not an > officially permitted way to access the cards. It should never ever be > SMSQ/E default! It is a purely experimental feature used at own risk. I > have warned about it all along. > > Also I'm not aware of an "auto-slow" feature. If SMSQ/E is configured to > "fast", and for some reason there is a timing problem, card access will > fail. > > A save feature to use is 16 bit access to SD cards introduced in FPGA > version 1.02 and higher. SMSQ/E automatically detects this. > > Dilwyn Jones via Ql-Users wrote: > > > Mind you, my Q68 has never been able to run Jan's Minerva port either. > > If the latest Minerva and/or returning to FPGA version 1.02 does not > help, I would suspect an actual hardware problem and your Q68 should be > replaced. > > All the best > Peter > _______________________________________________ > QL-Users Mailing List > _______________________________________________ QL-Users Mailing List