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Re: SS and RamFAST chips
- Subject: Re: SS and RamFAST chips
- From: thoang@orion.oac.uci.edu (Trangdaithi Hoang)
- Date: 1995/05/08
- Newsgroups: comp.sys.apple2
- Organization: University of California, Irvine
- References: <3ojito$39m@tusk.lm.com>
In article <3ojito$39m@tusk.lm.com>,
Matt Portune <mportune@telerama.lm.com> wrote:
>I'm going to want to add another 512k to my SecondSight (when I get it)
>along with making my RamFAST Rev.D into the 1 meg cache version. I've
>heard the same chips are used with both. Anybody know where I should get
>them and how much they will cost? Thanks!
The Ramfast Rev. D uses 20-pin DIPP DRAMs of either 256k x 4 for 256k cache
or 1 MB x 4 for 1024k cache. Looking at the GIFs of the SecondSight it
appears that it also uses 20-pin DRAMs but in a different packaging (ZIPP?).
Jawaid, what is the maximum amount of memory supported by the SecondSight
and can either 256k x 4 or 1 MB x 4 be used like on the Ramfast Rev. D?