it is suffering from excessive interrupt-itis. On Fri, Jul 4, 2025 at 8:58 AM Stephen Adolph <twospru...@gmail.com> wrote:
> looks to me like the 32768 hz crystal is dead. > > On Fri, Jul 4, 2025 at 8:56 AM Thomas Morehouse <nutmegfl...@gmail.com> > wrote: > >> Friday update: >> >> Batteries replaced with fresh AA alkalines yesterday (Thursday). Left >> powered off overnight to recharge backup battery. Powered up this morning, >> but no change. See attached screen photo. >> >> The screen clock seems to be working, but date never changes from >> 1/1/1900. >> Top four lines of screen appear normal, but below that, definitely not >> normal. >> >> The "center" screen line consists of constantly changing characters. >> Lowest screen line appears to be reiterations of "Bytes free" - without the >> "Byt". >> >> None of the keyboard keys have any effect; when "cursor" is over BASIC, >> hitting Enter changes nothing - screen remains unchanged. >> >> I've done several Cold Starts (CTRL+Pause/Break+Reset) and >> (CTRL+Pause/Break+Power switch), but no apparent change. >> >> Note: when I do a Power On, the screen quickly shows the correct >> original default M100 screen, then immediately changes to the garbled >> screen. >> >> Onward through the fog! >> Thanks. >> Tom M. >> >
