Re: Platinum IIe ROM chips?

[dempson@actrix.gen.nz (David Empson)]

Wayne Stewart <waynes@telus.spamless.net> wrote:

> David Empson wrote:
> 
> > There are four ROM chips in the platinum IIe, which is the same number
> > as in other models of the IIe.
> > 
> > Two of them contain the firmware which appears in the $C100-$FFFF memory
> > region.  They are labelled "CD ROM" and "EF ROM" on the logic board (or
> > something similar).
> 
> Maybe the European model was different but the north american version of
> the platinium IIe only had 3 ROM chips. The CD and EF ROMs were replaced
> by a single CF ROM.

You're right, and the international model is the same - a rare mistake
on my part.  (I haven't seen inside a platinum IIe very often - we had
the older model at high school.)

The CF ROM chip should be the same physical size as the CD and EF ROMs
from the earlier models (28 pins).
-- 
David Empson
dempson@actrix.gen.nz