Re: TI-H: Internal memory expansion II

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: Internal memory expansion II
From: "marcel groenendijk" <m_groenendijk@hotmail.com>
Date: Fri, 14 Aug 1998 03:01:16 PDT
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: ti-hardware@lists.ticalc.org


>>The second ic should have a number, a '-' and then two-digit number 
>>which identifies the speed of the RAM (like 10 = 10 nanoseconds 
access.) 
>
>Actually 10 would be 100 ns access in this case.  You aren't gonna
>find high speed SRAM in a ti calc.
>

Sorry, my fault.

>>If there are more 28 pins ic's in the 86, write down all information 
and 
>>let me know. 
>
>It's gonna be a 128k chip.  The procedure for upgrading would be the
>same as you did for the 85, except there may be two CS lines in which
>case things would get more complicated (one would be active high, the
>other active low).

Again sorry to all ti86 owners, it's most likely possible but since i 
don't have a 86 i can't test it.
See ya later,

Neil


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