Re: TI-H: diskdrive 2 calc

Re: TI-H: diskdrive 2 calc

• To: ti-hardware@lists.ticalc.org
• Subject: Re: TI-H: diskdrive 2 calc
• From: Grant Stockly <gussie@alaska.net>
• Date: Tue, 25 Aug 1998 09:24:06 -0800 (AKDT)
• Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
• In-Reply-To: <199808251333.JAA20807@dns1.yml.com>
• Reply-To: ti-hardware@lists.ticalc.org

>That was a interesting reception of my idea, i should probably stay with that
>internal memory thingie (BTW the docs are almost ready.) Anyway you guys
>mentioned a couple of disadvantages which aren't really a problem (i think,
>still testing and gathering info), like the interface which will be made using
>a PIC (probably) and a few additional components (like a voltage regulator.)
>Further you mentioned power use of the diskdrive, but when using a battery
>like
>duracell and a modern diskdrive (which draws less current then the old ones),
>you should be able to use it many times (which takes care of the portability
>problem) I do have to say that i'm in the very early stages of this idea, so
>don't held it against me if it doesn't work. Anyway you'll find out soon
>enough
>when i got more info.

Implimenting the AT bus on a PIC is hard.  You'll need to use one of the
most expensive pics to get enough I/o.  Or just use many latches and bus
transcevers.

• TI-H: diskdrive 2 calc
• From: marcel groenendijk <groenendijk@backpackers.com>

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