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Re: Strange Memory Board!



"Chris" <cturley@nospam.net> writes:
>    I recently acquired a new part for my platinum Apple IIe.  It is one of
>those megabyte memory board that go in a peripheral slot and not the
>auxiliary slot.  It says 'Apple II Memory Expansion' on it.  It has 32 chip
>sockets on it, of which 24 are filled.  On closer examination of the chips,
>I realized that there were at least two different brands of chips on it.
>The only number on them in common was 256 after a few zeroes, so I took it
>that each chip had 256K of memory.  24*256=6144, so I assume it is a 6 MB
>memory board.  Does anyone know which slot this card should go in.  I heard
>that you needed special software or something to access this RAM and if so,
>could someone tell me what this software is?

Sounds like the Apple "Slinky" Memory Expansion card.

8 chips = 256KB
16 chips = 512KB
24 chips = 768KB
32 chips = 1MB

This card looks like a ProDOS block device/Smartport controller and works in
any slot (except slot 3). No special software is needed. If you put it in slot
5 and boot ProDOS you should find a volume called /RAM5 available for use.
--
David Wilson  School of IT & CS, Uni of Wollongong, Australia  david@uow.edu.au