Re: Ramworks III problem

["PZ" <skierpaul@yahoo.com>]

Mike Maginnis wrote:
> I've got an enhanced IIe that seems to dislike the RamWorks III board
> I've put in.  With the RWIII, AppleWorks won't boot, complaining that
> it needs an 80-column-capable machine.  Booting to BASIC and entering
> "PR#3" results in an 80-column screen filled with garbage.
>
> The 80-column functionality on my RamWorks III seems to have failed.
> Is there an easy fix (i.e., IC replacement) for this or is it safe to
> consider it scrap?
>
> Appleworks either complains that no 80 column card is present or boots
> up to a screen of "trash" characters.  A PR#3 command results in the
> same "trash".
>
> Mike Maginnis
> maginnis@computist-project.net
>
> The Computist Project
> http://computist-project.net

Other than the RAM, an 80 column card only contains a 74LS245 and an
74LS374 both of which are on the RW III, I'd focus my efforts here
(particularly the 374) if these chips were socketed.  Unfortunately
these IC's are not socketed so I would start with checking the RAM.  If
you don't have a diagnostics disk, then I'd swap out the first bank of
DRAM's for another.  (as recommened by Matt)

- Paul