Re: [midatlanticretro] Anyone have 4164-15 memory chips?
> I looked at the data sheet attached to the parts that Jameco isIf it is providing the refresh address but only 128 it might still be ok
> selling. It says 256-row refresh. The Z80 only counts through
> 128 addresses. I think 128-row was std for the 4164 chips.
> Just something to watch out for.
since you won't be using the cells it doesn't refresh. I think I stuck
a 256k in a machine to replace a failed 64k but that was long enough ago
that I'm not positive.
Checked my stock, only have -20's