> > > I guess I'm having a "senior moment" but I don't remember the 4118 at
> > all,
> > Excuse the typo, this should read "4116."
> No it shouldn't, at least not if it concerns the ZX81 logic board.
TS 1500 will do the trick :)
> 4118. 1K*8 static RAM, 24 pin DIL package. Used in the ZX81.
> 4116 16K*1 dynamic RAM. 16 pin DIL package. Used in the ZX81 16K RAMpack
> and in just about every other micro of the time...
> The ZX81 logic board was designed to hold 1K of static RAM. Either as a
> single 4118 or a pair of 2114s (1K*4 static RAM, 18 pin DIL package).
Or a 6116. AFAIR, the TS1000 has been sold with 2 K as
standard configuration.
> There were pads to solder either type of chip onto the board. I guess
> Sinclair used whichever was cheaper at the time.
Sounds good.
Gruss
H.
--
VCF Europa 3.0 am 27./28. April 2002 in Muenchen
http://www.vcfe.org/
Received on Mon Mar 25 2002 - 11:35:22 GMT