Date: Fri, 3 Apr 1998 17:38:52 GMT
From: pete@dunnington.u-net.com (Pete Turnbull)
Message-Id: <9804031838.ZM14499@indy.dunnington.york.ac.uk>
In-Reply-To: Tim Shoppa <shoppa@alph02.triumf.ca>
        "Re: What's magtape good for anyway?" (Apr  3,  5:55)
References: <9804031355.AA32661@alph02.triumf.ca>
Reply-To: pete@dunnington.u-net.com
To: Tim Shoppa <shoppa@alph02.triumf.ca>
Subject: Re: What's magtape good for anyway?
Cc: pups@minnie.cs.adfa.oz.au
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On Apr 3,  5:55, Tim Shoppa wrote:
> > Yes to all of those, though there are three standard recording densities
> > (80bpi, 1600bpi, 6250bpi) and several recording methods (NRZ, NRZI, PE,
etc).
>
> But in the 9-track world at least, 800 BPI was always NRZI, 1600 BPI
> (and 3200 BPI) was always PE, and 6250 BPI was always a specific type
> of GCR.

Yes, I didn't mean to imply you could have any mixture.  It's always irritated
me that I can't read 800bpi tapes on my 1600bpi drive simply because it doesn't
have the (optional) NRZI board.

-- 

Pete						Peter Turnbull
						Dept. of Computer Science
						University of York