[comp.sys.apple] AE GS-RAM

aehl@csd4.milw.wisc.edu (Donald J Aehl) (02/20/88)

A few days ago I noticed that in the Applied Engineering adds for GS-Ram and
GS-Ram plus there are some statements to the effect that the GS-Ram card has
been improved (or updated?).  Anyway, does anyone have any information 
regarding this improvement?

Are they simply referring to the disk cache program which they are now 
offering? OR is it something else?

I ask this because someone I know mentioned that the initially relleased
GS-RAM cards have problems when they are fully populated (1.5 Meg).
Is there any truth to this?  He said that the newer GS-Ram cards were
labeled SIMM compatible (?). Does this make any sense to anyone else who
can reply to my question.  Has the GS-Ram HARDWARE changed, and if so is
it possible for someone who owns an original GS-Ram card able to upgrade
to the newer card (or is it simple covered by the warrenty?)

Thanx for any help in advance.

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lwv@n8emr.UUCP (Larry W. Virden) (02/21/88)

The 'problem' with the old GS Ram cards (just Ram - not Ram+) is that if
you plugged in the whole 1.5 meg you had interference with any DMA cards
in the GS.  There are only a couple GS DMA cards so this was not a big deal
if you knew it in advance - you just allocate a 500k ram disk and things
worked okay.

The new GS Ram cards are DMA compatible.

Note that existing card owners should call AE about the upgrade cost - there
is a cost, but I seem to remember that it was reasonable.  No real reason to
get it though if you dont intend on using DMA.
-- 
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