How it started … how’s it going
1986 …………… 2024
so, one of the original Rom ICs got pretty hot, almost as hot as the CPU, it’s still working but probably not for long any more, that’s why I replaced it with a proper EProm, found one with 1985 datecode in my storage so it matches the Computer 😀
but it needed this mess of an adapter stack to go from 24 pin to 28 pin 🤷🏻♀️
the thermal pics show that the new Eprom is not visible in the thermal cam any more, also draws less current, about 50mA less.
1986 …………… 2024
so, one of the original Rom ICs got pretty hot, almost as hot as the CPU, it’s still working but probably not for long any more, that’s why I replaced it with a proper EProm, found one with 1985 datecode in my storage so it matches the Computer 😀
but it needed this mess of an adapter stack to go from 24 pin to 28 pin 🤷🏻♀️
the thermal pics show that the new Eprom is not visible in the thermal cam any more, also draws less current, about 50mA less.



