Re: TI-H: Internal mem expander question

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: Internal mem expander question
From: Grant Stockly <gussie@alaska.net>
Date: Thu, 19 Nov 1998 20:26:13 -0900
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <ad3a023.3654c8c1@aol.com>
Reply-To: ti-hardware@lists.ticalc.org


>In a message dated 98-11-19 19:44:24 EST, you write:
>
><< There is no real easy way to just pop in an extra chip.  There is some
> external circuts that are needed, or else one SRAM dies...  It wouldn't
> realy be internal... >>
>
>Um...whatever grant, its the same thing in the 82s, 83s and 85s, all use the
>same type of chip, and they are all pin 20 chip select....no external
>circuits!

There are 2 CS lines.  Their state depends on if the calc is off and which
chip is active.

References:

Re: TI-H: Internal mem expander question

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