[SI-LIST] Re: Simulate 100MHz DRAMs for long term failures?!?!
- From: "Dimiter Popoff" <dp@xxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Wed, 17 Aug 2005 03:41:29 +0300
> But the conditions have to be "just right" to be able to do that....
Being able to recognize these conditions is what makes one a design engineer.
Dimiter
(somewhat astonished at the interest a 5 year old design of mine can raise...
seems there is no lack of people being keen on justifuying this or
that overdesign decision they took)
------------------------------------------------------
Dimiter Popoff Transgalactic Instruments
http://www.tgi-sci.com
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-------Original Message-------
> From: Aubrey_Sparkman@xxxxxxxx
> Subject: [SI-LIST] Re: Simulate 100MHz DRAMs for long term failures?!?!
> Sent: Aug 17 '05 03:07
>
> Jeff,
> I absolutely LOVE your analogy. Heck, I'll even add to it. When I was
> younger, I actually put out a match in gasoline. But the conditions
> have to be "just right" to be able to do that....=20
>
> Please DON'T try that at home!
>
> :-)
>
>
> Aubrey Sparkman=20
> Enterprise Engineering Signal Integrity Team
> Dell, Inc.=20
> Aubrey_Sparkman@xxxxxxxx=20
> (512) 723-3592
>
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
> On Behalf Of Loyer, Jeff
> Sent: Tuesday, August 16, 2005 6:59 PM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Simulate 100MHz DRAMs for long term failures?!?!
>
> I'll probably hate myself in the morning, but just can't help it...
> (title of thread changed also)
>
> I was cleaning car parts yesterday. I had a flashback to cleaning parts
> in the 1970's when I was a mechanic. Cleaned 'em in gasoline, with a
> cigarette hanging out of my mouth. Did it for years, never had a
> problem. Worked with lots of people who had the same experience.
>
> My personal experience suggests that there's no danger in cleaning car
> parts in gasoline while smoking cigarettes. Others suggest otherwise.
> =3D20
>
> I might conclude that there's a conspiracy among folks to force me to
> buy more expensive cleansers and quit enjoying a harmless vice while
> engaged in brainless activities.
>
> Instead, I've long since decided that I was pretty lucky (though my
> liver may later say otherwise). I use a very different method to clean
> parts now. Heck, I even quit smoking many years ago (it's a great excuse
> to spoil myself on my "quit smoking anniversary"!).
>
> While I think it's always good to question whether we're being
> overcautious and expending resources on stuff we don't care about, I
> think it's also prudent to worry about stuff that other very
> knowledgeable people get upset about. =3D20
>
> I also know that often it isn't the super-duper fast busses that kill a
> platform - it's the "supposedly DC" or other slow bus that wasn't given
> a 2nd thought. It's risetime that kills us, not clock frequency. =3D20
>
> And finally, one figure of merit for an engineer is whether they can do
> a quick "back-of-the-envelope" calculation that gives us an idea of the
> risk associated with a bus. I thought Scott did a nice job of that
> (though I didn't look at it too intensely). Unless I could dispute some
> part of those calculations, I'd conclude the bus you're talking about
> deserves consideration.
>
> My 2cents,
> Jeff Loyer
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-------Original Message-------
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