Re: New Pile of Mystery Boards

[david@uow.edu.au (David Wilson)]

wbdesnoy@acs1.acs.ucalgary.ca (Byron Desnoyers Winmill) writes:
>: 13.  AII Memory Expansion.  Apple Computer, 1985.  Currently has 16
>: memory chips on it.  There are spaces for 16 more.  How much RAM would
>: this card accommodate?  One set of memory chips say "MCM6256BP10" on
>: first line; the other set say "KM41256AP-12" on the first line.  Are
>: these chips still obtainable?

AKA Apple "Slinky" RAM card.

Supports 1 to 4 banks of 8x 256kbx1 DRAM chips (256..1024 KByte)

>This is a very nice board, but I have always been left wondering: can 
>this memory boon (for a IIe at least!) be used by DOS 3.3 programs?

Yes. Boot DOS 3.3, then type IN#n where n is the slot number with the RAMcard
in it. You now have a 400KB DOS 3.3 RAMdisk.
--
David Wilson  School of IT & CS, Uni of Wollongong, Australia  david@uow.edu.au