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From: daveh@cbmvax.commodore.com (Dave Haynie)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: How does bridgeboard affect memory
Message-ID: <17902@cbmvax.commodore.com>
Date: 22 Jan 91 17:22:13 GMT
References: <11152@darkstar.ucsc.edu> <758@cbmger.UUCP> <759@cbmger.UUCP> <17742@cbmvax.commodore.com> <17745@cbmvax.commodore.com> <765@cbmger.UUCP>
Reply-To: daveh@cbmvax.commodore.com (Dave Haynie)
Organization: Commodore, West Chester, PA
Lines: 31

In article <765@cbmger.UUCP> peterk@cbmger.UUCP (Peter Kittel GERMANY) writes:
>In article <17745@cbmvax.commodore.com> drysdale@cbmvax.commodore.com (Scott Drysdale) writes:

>>>>Sorry, my program tells only 512 KB for both.

>>aha!  i was thinking of the addresses that the bridgeboard can reside at.  the
>>bridgeboard can only live on 2 meg address boundaries.

>Hmm, is this at all allowed in the autoconfig mechanism? 

No.

>I always thought that autoconfig memory space is managed in 64 KB chunks.
>Is then a board allowed to say "No, I don't like the address that
>the system gave me, I WANT a 2 meg boundary!" ???

In general, boards are required to live at their natural boundaries.  This
is the case for all Zorro III boards, as well as anything other than 4 or 8
meg Zorro II boards.  A 4 Meg Zorro II board must be able to live at 2 or 4
meg boundaries, and an 8 Meg Zorro II board must be able to live at 8 meg
boundaries or at $00200000.

>-- 
>Best regards, Dr. Peter Kittel  // E-Mail to  \\  Only my personal opinions... 
>Commodore Frankfurt, Germany  \X/ {uunet|pyramid|rutgers}!cbmvax!cbmger!peterk


-- 
Dave Haynie Commodore-Amiga (Amiga 3000) "The Crew That Never Rests"
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	"What works for me might work for you"	-Jimmy Buffett