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Today's Topics:
1. Re: jeopardy this wednesday, not prime related / mailing-list
vs. newsgroup (Danny Fleming)
2. Re: jeopardy this wednesday /Riemann hypothesis on prime-time
tv show (steve elias)
3. RE: hot CPU! (Marc Getty)
----------------------------------------------------------------------
Message: 1
Date: Tue, 22 Feb 2005 19:13:41 -0500 (EST)
From: "Danny Fleming" <[EMAIL PROTECTED]>
Subject: Re: [Prime] jeopardy this wednesday, not prime related /
mailing-list vs. newsgroup
To: [email protected]
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
Jeopardy is a trivia game show in the United States of America and ABC Network, which is channel 7 in the Los Angeles area.
Sincerely yours,
Danny Karl Fleming
Bachelor of Science, Mathematics
Classical Studies Minor
http://www.keen.com/mercury855
http://www.mylinksite.com/goodbuslinks
--- On Mon 02/21, Per Jessen < [EMAIL PROTECTED] > wrote:
From: Per Jessen [mailto: [EMAIL PROTECTED]
To: [email protected]
Date: Mon, 21 Feb 2005 20:46:14 +0100
Subject: Re: [Prime] jeopardy this wednesday, not prime related / mailing-list
vs. newsgroup
On Mon, 21 Feb 2005 09:47:32 -0500, steve elias wrote:<br><br>>at this time i would like to make the un-prime-related announcement<br>>that my childhood friend Jeff Richmond will be on
the game<br>>show jeopardy this wednesday to play against the all-time<br>>champion dude. Jeff is also one of the all-time Jeopardy champs.<br><br>I have to ask - in which country
and on which TV-channel? :-)<br><br><br>/Per<br><br>-- <br>http://www.spamchek.com/freetrial - sign up for your 30-day free
trial!<br><br><br>_______________________________________________<br>Prime mailing list<br>[email protected]<br>http://hogranch.com/mailman/listinfo/prime<br>
_______________________________________________
------------------------------
Message: 2
Date: Tue, 22 Feb 2005 21:34:10 -0500
From: steve elias <[EMAIL PROTECTED]>
Subject: Re: [Prime] jeopardy this wednesday /Riemann hypothesis on
prime-time tv show
To: [EMAIL PROTECTED], The Great Internet Mersenne Prime Search list
<[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=us-ascii; format=flowed
for those who are interested, please
check http://jeopardy.com for more info on the "ultimate tournament of
champions". there's a web page about my old pal Jeff Richmond
who will be on wednesday's show.
in other USA TV news, this time definitely prime-related:
a theme of an episode
of an episode of the new crime drama _NUMB3RS_ was the Riemann hypothesis, and a
mathematician who thought he had
solved it, and some criminals who wanted to use it to break encryption
on the internet. silly but it's nice to see the Riemann & primes get some
prime-time respect.
regards,
Steve Elias
Danny Fleming wrote:
Jeopardy is a trivia game show in the United States of America and ABC Network, which is channel 7 in the Los Angeles area.
Sincerely yours,
Danny Karl Fleming
------------------------------
Message: 3
Date: Tue, 22 Feb 2005 23:21:14 -0500
From: "Marc Getty" <[EMAIL PROTECTED]>
Subject: RE: [Prime] hot CPU!
To: "'The Great Internet Mersenne Prime Search list'"
<[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
Sorry to dig up a dead thread, but I was away on vacation last week and
could not respond in a proper manner via BlackBerry.
I've prepared a spreadsheet detailing just how much power a modern Dell is
using at various times. See: <http://getty.net/gimps/dells.xls> for power
use on a Dell OptiPlex GX 270 small form factor computer at 3.2 GHz and 1 GB
of RAM.
Unfortunately due primarily to the noise of the fans, and partially due to
the heat, I have not been able to deploy a GIMPS client in our computer
labs. In an amphitheater with 102 machines, all on top of the tables, it
gets so loud with PrimeNT running that you can't have a conversation at a
normal level.
I'm close to deploying a system that will start the prime service shortly
after the labs close and stop the prime service shortly before the labs open
to avoid the noise problem. Running PrimeNT at 104.5 hours a week on 350
2.8+ GHz machines is better then not running it at all!
-Marc
------------------------------------------
Marc Getty [EMAIL PROTECTED]
Instructional & Information Technology
Temple University, College of Liberal Arts
Cell: 215-962-5603 Fax: 215-204-3731
------------------------------------------
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Stephan Grupp
Sent: Thursday, February 17, 2005 11:38 AM
To: [email protected]
Subject: Re: [Prime] hot CPU!
That's interesting about the Dells. What I have noted (especially in the
smaller case Optiplex systems), is that the fan noise is intolerably
loud when P95 is running. Crack the clamshell case a bit, and the fan
speed and noise drops considerably. I'm not sure that makes things
WORSE, as the air path is still through the duct and over the heatsink,
whether the case is closed or cracked open.
These high end P4 systems generate a LOT of heat. I wouldnt be
surprised if the CPU's go down a little sooner running P95 than they
would just grinding idle.
[EMAIL PROTECTED] 02/17/05 1:27 AM >>>
Jeff Woods wrote:
At 2/16/2005 11:56 PM, Jud McCranie wrote:
Is a 3GHz P4 supposed to be this hot? Is it bad for the machine?
Yes, and yes. I have found that without additional CPU case fans, a
fully-laden CPU (as with Prime95) gets too hot for JUST the power
supply
fan to circulate enough air. You need additional case fans... or
you
need to run with the case OPEN (side panel off) to allow the hot air
that the CPU fan is pulling away to dissipate.
Dell P4 systems don't HAVE a internal CPU heatsink fan. they have a
large
muffin fan on the back panel with a plastic air duct over the LARGE CPU
heat
sink. On the newer faster P4 systems, the heatsink is often fine vaned
copper.
opening the cover would make things WORSE as it would not force the air
to flow
as engineered. The cases on our Dell desktop "Optiplex" systems at
work
hinge open and can't be "left off".
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End of Prime Digest, Vol 10, Issue 14
*************************************
