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Article #2852

FOR SALE: 25MHz '040 (with FPU/MMU)

#2852
From: Jim Trascapoulos
Date: Thu, 22 Jul 1993 15:32
53 lines
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POSTED TO:
co.ads
comp.sys.mac.wanted
misc.forsale.computer
misc.forsale.computers.mac
 
-------
 
Hey all. Don't want to do this but I have to get my roof replaced
now (Fiat Spyder..says it all) and I'm working on small contract
stuff so I can't afford it ANY rent, sooo..
 
25MHz 68040, off of a Progressive Peripherals '040 card. The card
had less than 20 hours on it (I had it for testing) and had to slowly
sell the system off in pieces. I had planned on keeping the chip 
for when I get a Centris 610 again, and then do the upgrade to 
25MHz, but I've got a major rip in my car top and I have to get it
fixed (to everyone following my plight, as I've been selling 
everything I own for weeks now, I'm interviewing alot and doing much 
better -- thanks!) 
 
Anyway - there is one cavaet: the chip is marked as a LC 040. It is 
ABSOLUTELY NOT a LC040 chip -- it is a full '040, with FPU and MMU.
Progressive Peripherals & Software (the card's manufacturer) delt
directly with the Motorolla people, and got great deals because they 
had the chips rescreened as LCs. Motorolla did this for Commodore 
for their A3000, 16MHz versions -- after the first 6 months of 
production CBM put 25MHz 040s screened and timed-down as 16MHz; many
A3000 owners who upgraded to 25MHz 040s found their computers would
flip-back into 25MHz '030 mode later (with the faster clock) -- because
the Motorolla chip was indeed a full 25MHz FPU/MMU 040.
 
Okay - sounds convoluted, but ask anyone who owns a PP&S Mercury or
Zeus card int he comp.sys.amiga.hardware group and you'll find they'll
back up my story. The chip ran full floating-point, and the MMU was
available (but off, as CBM demanded as they planned to use the MMU 
exclusively for VM. If it wasn't there, it wouldn't register at all.)
I plugged the chip in a friends Centris 610 a month or so back and i
Speedometer saw it and it tested fine (and ran REALLY cool, because 
it's not a 20 but a 25MHz chip!)
 
Anyway, nop arguments please. I don't want to sell it but if I can get at
least $275 for it I'll do it. This figure includes 2nd day mail service.
This IS a full '040, and they otherwise run $375-350, so $275 is both
very fair and just whant I need for a new, installed top. If interested
please e-mail me at jtrascap@nyx.cs.du.edu or call me at (303) 232-5136.
 
Thanks in advance!
 
Jim Trascapoulos * jtrascap@nyx.cs.du.edu * "So, what size id do YOU wear?"
  >> "We Are Barney, You will be Assimilated! Resistance is Futile!" <<
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From: jtrascap@nyx.cs.du.edu (Jim Trascapoulos)
Subject: FOR SALE: 25MHz '040 (with FPU/MMU)
Message-ID: <1993Jul22.153244.8177@mnemosyne.cs.du.edu>
Summary: Don't want to sell it, but..
Keywords: 68040
Sender: usenet@mnemosyne.cs.du.edu (netnews admin account)
Organization: University of Denver, Dept. of Math & Comp. Sci.
Date: Thu, 22 Jul 93 15:32:44 GMT
Lines: 54