> I never did try a 27C64 but I'd assume there'd be no issue until you tried to save
> data to it. It may just fail quietly or it may stop the game in it's tracks.
> Hopefully it'll keep playing and only changes data when you do so in settings. If
> MAME can run this game at some point then in theory you could set up how you want
> your cab set up in MAME then take the timekeeper file and burn that to a rom.
> To program the M48T58Y with a normal programmer you need to short pin 26 to pin 28 as
> pin 26 needs to be held high when programmed and read. If you get an error right at
> the end of verify don't worry. It's a time keeper and the last couple of bytes are
> the current time
> If you programmer directly supports it you should be ok though.
> These ICs will all be dead at some point and I'm pretty sure they have not been made
> for a long while. If you bought some NOS I'd say they are well into their shelf life.
Should I be worried with my Gauntlet DL board? Yeah sure it's protection is an IC chip and not Timekeeper, but I have an OCD tendancy with the board telling me the time keeper battery is dead. (Which I fixed using a battery off of an IBM SCSI card, lol).
On a quest for Digital 573 and Dancing Stage EuroMix 2