Talk:Motorola 68040

message: There was at least one 3.3V variant, which I would expect (but have not tested) to run cooler than the 5V versions.  I remember this as being a 68EC040, sadly I don't think there was ever a 3.3V full 68040.  Anyone have data to back up my (non-ECC ;-) memory?  AndrewBall 01:55, 18 January 2007 (UTC)
replies: text: ok, we have text from Rodolphe Czuba (http://www.czuba-tech.com), maker of accelerators for Atari Falcon computer: http://milan.kovac.cc/atari/040CLOCK.TXT as you can read: "A remark : the 040 3.3V model only exists in two versions: - 1. The 68040V which doesn't have an FPU ! - 2. The 68EC040V which has neither an FPU, nor a PMMU !"  —Preceding unsigned comment added by Calimero (talk • contribs) 16:17, 28 July 2008 (UTC)
thread_title: 3.3V Version

message: There was a 50Mhz 68040 variant:
http://www.micromac.com/products/speeddoubler040.html
http://www.sonnettech.com/product/quaddoubler.html
Note that the '100/50mhz' noted in the pages refers to the internal clock of the chip, which ran at twice the speed of the external clock
Or was the 50Mhz part just an overclocked 40Mhz part?
:If I recall correctly, it was the other way around - the internal clock was half the external, i.e. a "25Mhz" '040 had a 50Mhz clock input. Apple took to mentioning the external clock rate in advertising, in order to keep up appearences relative to the 486. Mirror Vax 23:45, 24 Apr 2005 (UTC)
replies: text: Apple always advertised 68040/LC040 desktop machines using the lower clock speed, but indeed the '040-based PowerBooks were advertised using both, as in "Featuring an advanced 66/33-megahertz Motorola 68LC040 processor, the PowerBook 540c…" (from the 540c sales brochure, cf http://www.saldanah.com/apple-collection/images/datashet-540c-2.jpg ). I don't consider that especially wrong, since the CPU core used both speeds internally in different parts of the CPU (almost everything uses the lower clock, but some parts of the arithmetic units use the higher clock). For sure I can understand why Apple did that, since a 25MHz 68040 could run circles around a 25MHz 486DX in actual performance. tooki (talk) 11:05, 10 April 2016 (UTC)
thread_title: 50 MHz Variants

message: Does this article really require three almost indistinguishable photos?
Convince me otherwise or I will delete two of them
Mtpaley (talk) 23:01, 16 August 2009 (UTC)
replies: text: Delete away.--Anss123 (talk) 11:39, 17 August 2009 (UTC)
thread_title:  Three pictures 

message: Hello fellow Wikipedians,
I have just added archive links to  on Motorola 68040. Please take a moment to review my edit. If necessary, add  after the link to keep me from modifying it. Alternatively, you can add  to keep me off the page altogether. I made the following changes:
*Added archive https://web.archive.org/20120216013510/http://www.bbs.ingedigit.com.ve/TechInfo/68040.Microprocessor.html to http://www.bbs.ingedigit.com.ve/TechInfo/68040.Microprocessor.html
When you have finished reviewing my changes, please set the checked parameter below to true to let others know.
Cheers. —cyberbot IITalk to my owner:Online 05:54, 27 August 2015 (UTC)
thread_title:  External links modified 

message: In the 68LC040 section, it says: "This new mask was introduced in mid-1995 and converted the 68LC040 chip to MC status." What does "MC status" mean? It isn't mentioned anywhere else in the article. The link at the end of that sentence refers to "MC-qualified", but it doesn't explain what that means either. -- Hux (talk) 17:04, 18 January 2023 (UTC)
thread_title:  "MC status"?