Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!mips!spool.mu.edu!uunet!tnc!m0154
From: m0154@tnc.UUCP (GUY GARNETT)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: A3000 CPU Wars!!
Message-ID: <830@tnc.UUCP>
Date: 6 Jun 91 12:31:22 GMT
References: <16888@helios.TAMU.EDU> <16892@helios.TAMU.EDU>
Reply-To: m0154@tnc.UUCP (GUY GARNETT)
Organization: The Next Challenge, Fairfax, Va.
Lines: 34

In article <16892@helios.TAMU.EDU> n368bq@tamuts.tamu.edu (Raoul Rodriguez) writes:
>1) A3000 with 040 that disables motherboard CPU
>2) A3000 w/040 AND 16Mhz Motherboard 
>3) A3000 w/040 and 25 Mhz on motherboard
ent
>should be a tie between 1 and 3, (maybe not depending on the harkware
>'hacks' in the 040 board that you us, because the hardware might use the
>motherboard CPU on it's own accord...), but, in either case number 2
>will lose because if you leave the motherboard CPU 'on' and it is
>running at 16 Mhz it will 'pull' the 040 down to run at 16 Mhz...
>
>I think... :)
>
>Raoul "My 500 Has a Detachable Keyboard" Rodriguez
>n368bq@tamuts.tamu.edu
>Standard Disclaimers Apply (Within)


Well, no.  First off, it is unlikely that the Amiga OS will support
multiple CPUs in the near future (the next three years, or until v3 is
released, whichever comes first).  So the multiple CPU question is a
moot point (unless you are running a multi-CPU OS that you wrote
yourself :).

Assuming that the 040 boards are all the same, your benchmark results
should be the same no matter whether it is installed in a 16Mhz or a
25Mhz A3000.  This is because the ZorroIII bus, Coprocessor slot, and
motherboard RAM subsystems are identical on both machines.  The clock
speed of the 68030 on the motherboard need not "drag down" the 040
board in the coprocessor slot, if I understood correctly what Dave H.
was saying about it (correct me if I'm wrong, Dave :).

Wildstar
"Once again, I cut a worthless object."