Speaking of dumping... Is it possible to read a Dallas DS1643 in programmer? That's what's in my Ultrabook. I just tried with a Topmax II that supports it and I get all zeros. :(
Santo On Wed, Sep 27, 2023 at 4:14 PM Ethan O'Toole via cctalk < cctalk@classiccmp.org> wrote: > > Interesting - did you youse some modern technology for > > doing that? I already thought to attach a logic analyzer to the > > NVRAM to see which bytes are read first (e.g. for dtermining > > the hardware configuration). > > Late to the convo, but it's interesting. > > You might be able to dump the ROMs and find someone who knows Sparc > assembly to run it through a debugger/emulator and trace it? Hard part > would probably be knowing where the NVRAM lives in memory space (memory > map.) > > Maybe the MAME people would have an idea? Some of the old arcade games > suffer from the exact same issue - they store variables in the ST > Microelectronics Timekeepers and once it dies game won't boot due to a > byte or two. > > MAME has SPARC emulation. > > Other thing is people with a working Tadpoles needs to dump their NVRAMS > ASAP because it sounds like all of them are about to quit working? > > > -- > : Ethan O'Toole > > >
