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From: fdi@arnav.UUCP (Flight Dynamics)
Newsgroups: comp.sys.amiga
Subject: Re: autoconfig
Message-ID: <911@arnav.UUCP>
Date: Fri, 24-Apr-87 01:06:54 EST
Article-I.D.: arnav.911
Posted: Fri Apr 24 01:06:54 1987
Date-Received: Sat, 25-Apr-87 18:57:49 EST
References: <1524@zeus.TEK.COM> <6838@watmath.UUCP> <1203@ulowell.cs.ulowell.edu> <1107@tekred.TEK.COM>
Distribution: na
Organization: Arnav Systems Inc, Portland, OR
Lines: 31

In article <1107@tekred.TEK.COM>, joels@tekred.TEK.COM (Joel Swank) writes:
> In article <1203@ulowell.cs.ulowell.edu>, page@ulowell.cs.ulowell.edu (Bob Page) writes:
> > 
> > The whole point of autoconfig is that you don't need DIP switches.
> > ..Bob
> 
> No, the whole point of autoconfig is that you don't need addmem. The board
> must know where it resides and tell dos where that is at boot time. You
> still need switches to tell the board where it goes. Otherwise it would
> be set at the factory and unchangeable.
> 
> Joel Swank
> Tektronix, Redmond, Oregon

   I was under the impression that part of the boot sequence was for
   the Amiga to check the bus for any peripherals, find out how much
   memory space needed by each, and then assign a memory range for
   each.  If this is the way it works then DIP switches would not be
   needed (or even useful) for address space selection.  What they
   might be used for, however, is to define how much memory space is
   needed for the specific configuration of that board.  In other
   words, if the board was expandable, say from 1 Meg to 2 Meg, the
   DIP switches could be used to program how the board responded to
   the power up sequence.  Since I'm not familiar with the product
   being discussed I can't say whether this is what the switches are
   in fact used for, it just seems like a reasonable use.


	Gary Albert
	Flight Dynamics, Inc
	...!arnav!fdi