Path: utzoo!attcan!uunet!mcsun!unido!fauern!fauern!csbrod
From: csbrod@medusa.informatik.uni-erlangen.de (Claus Brod )
Newsgroups: comp.sys.atari.st
Subject: Re: TECH:  How to tell if drive B is REALLY attached?
Message-ID: <2875@medusa.informatik.uni-erlangen.de>
Date: 11 Jun 90 13:23:50 GMT
References: <7390@orca.wv.tek.com>
Organization: CSD, University of Erlangen, W-Germany
Lines: 19

jeff@quark.WV.TEK.COM (Jeff Beadles;685-2568;;;quark) writes:

>I need to know if drive B is REALLY attached.  "Drvmap" (Which, by the way is
>NOT my friend :-) says that there is a drive B, even if there isn't.  I'm
>guessing that this is so the "logical" drive switching works.

>I've seen other programs that have done this, but NOTHING in the documentation
>that I have here.  Can anyone shed light on this?


There is an official system variable called _nflops in the $4xx area which
you can use for that purpose. It contains 1 if you only have drive A and
2 for both drives. I think the address is $4A6.

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Claus Brod, Am Felsenkeller 2,			Things. Take. Time.
D-8772 Marktheidenfeld, West Germany		(Piet Hein)
csbrod@medusa.informatik.uni-erlangen.de
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