Re: RAM Expansion


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Re: RAM Expansion



If you are on the List-ZShell mailing list you'd know that Mel Tsai has
built a working RAM extender for 512kb or 1MB.  Now he's got an even better
idea so we'll all have to wait...Check out the info with an all capitals
subject heading and a "Re:".


"Honors Master PhD of Idea Engineering"
-= Zenon@bbs.nexes.com =-


----------
: From: wesleymcgrew@JUNO.COM
: To: Zenon
: Subject: Re: RAM Expansion
: Date: October 17, 1996 4:45 AM
:
:
: >> I would like to Know if anyone knows of any plans for expanding the
: >RAM of
: >> a
: >> Ti-85
: >
: >The Zilog Z80 chip upon which the TI-85 is based uses 2-byte
: >addressing,
: >which means it can handle a max of 64K of RAM. The TI _should
: >theoretically_ be able to accomodate more, but I don't know how the
: >ROM is
: >managed or how much space it takes up. Ideas welcome.
: >
: >-The Grinch
:
: Problem is, where would you wire it into, and would it recognize it if
: you did?  The system's ROM is most likely hardwired for the standard
: amount of RAM, so it would be pretty hard to get it to accept it.
:
: BTW, I'm new to this group, and I already seem to be hooked on it :-)
:
: -|/|/esley McGrew


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