Re: LZ: Floppy Drive

Subject: Re: LZ: Floppy Drive
From: Mel Tsai <tsaimelv@pilot.msu.edu>
Date: Sun, 22 Sep 1996 13:01:26 GMT
In-Reply-To: <3244C5FC.6A6B@comso.com>

On Sat, 21 Sep 1996 21:52:12 -0700, you wrote:
>You can get a 1.44Mb Floppy drive to connect to the HP48 series.  Would
>this be another avenue of expansion?
>=20

This depends on the floppy drive.  Your "normal" IDE floppy drive is
pretty much impossible to hook up to the TI-85.  The IDE interface is
just too darn complex!!!  However, national semiconductor has come up
with an IDE interface chip with a whole bunch of other options.  Look
up their site to get the datasheet on it.  It's pretty cheap, and it
may be the easiest way to hook a regular floppy up to the TI-85.

The other two options are either PCMCIA floppy/hard drives or the
"backpack" floppy drives.  PCMCIA would be complicated, but not
impossible.  The only problem with parallel port floppy drives is that
companies never release the protocol by which they operate, so we
can't make any software for it.

-Mel

References:

LZ: Floppy Drive

From: Steve Peterson <stevep@comso.com>

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