Re: TI-H: Memory expansion: ESF

To: <ti-hardware@lists.ticalc.org>
Subject: Re: TI-H: Memory expansion: ESF
From: "SMC12" <scross@san.rr.com>
Date: Wed, 11 Mar 1998 07:04:50 -0800
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: ti-hardware@lists.ticalc.org


The ESF did not use a firmware like the EuP or the E##.  It was completely
controlled by the calc, and therefore was called a "dumb" device, 'cause if
Zshell was gone, you were skrewed!

>Did somebody recently say there was a place still selling a few of the ESF
>chips or somebody still had a few?  I would be interested in buying some if
>possible. My first choice would be from somebody on the list but if they
>are only available from a big company like National would somebody be
>willing to burn them with the firmware?
>Thanks
>Scott BAiley
>

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