Path: utzoo!attcan!uunet!lll-winken!ncis.llnl.gov!helios.ee.lbl.gov!pasteur!ucbvax!decwrl!labrea!rutgers!rochester!pt.cs.cmu.edu!andrew.cmu.edu!rg20+
From: rg20+@andrew.cmu.edu (Rick Francis Golembiewski)
Newsgroups: comp.sys.amiga
Subject: Re: CMI '020 $199 Board (Was:68020)
Message-ID: <oXrct4y00WB_A8hHc1@andrew.cmu.edu>
Date: 26 Jan 89 03:19:32 GMT
References: <6319@polya.Stanford.EDU>,
	<5894@medusa.cs.purdue.edu>
Organization: Carnegie Mellon, Pittsburgh, PA
Lines: 32
In-Reply-To: <5894@medusa.cs.purdue.edu>

From articale <5894@medusa.cs.purdue.edu>, by  wolff@cs.purdue.EDU
(Robert M. Wolff):
>Speaking of 68020 boards...There is one out from CMI that sticks into
>the 68000 socket and has a socket for an 881. It retails for $199.
>And I was wondering if anyone had heard what kind of performance it
>was getting??
First of all this board is NOT a 68020, but a 68000 (running at
16Mhz), so don't expect too much of a speedup.  Also, the 68881 is
not used as a true co processor (the 68000 doesn't support a math
co-processor, alsothough the '20 does...), so there is some extra
hardware (and config. software) to get it working, thus it is a lot
slower then a '20/881 combination.  However if you just need a bit
more speed ( about 20%) at a small cost then the PA is a pretty good deal. 

> I need SOME speed up, but would I be better off building
>the lucas board??
The LUCAS board is a true 68020, and it will (whenever Brad can
finish) have a 32 bit memory board also (with the 32 bit mem. the
speedup should be around %100).   LUCAS is the cheapeast way to get a
'20 ($75 for board + $300+ for parts [68881 - $150 68020 $99
{12Mhz}]). But be warned: GETTING PARTS IS HELL!!!  Yes, I ordered
parts for the board before Thanksgiving, currently I am waiting on
the sockets and the SIP resistors, who knows when I'll actually get
to assemble everything :-(.  Remember with a PA (or any other
comercial product) you get everything assembled, be ready for some
headaches if you want to save some $$$...

+----------------------------------------------------------------------------+
| Disclaimer: Me?  Post That, impossible I never post anything...            |
| TypetoYouLater(Everyone); --> "functional Good bye"....                    |
| Rick Golembiewski [ Pronunciation is half the Battle, spelling the other]  |
+----------------------------------------------------------------------------+