Post by thread:[EE]: Re: Erroneous PC cpu operating temperature

> ALL modern processors draw extremely high currents at low voltage. > Haven't looked up requirements but probably 20A plus plus at 1.5 to 3 volts. Not totally true. Certain chips like the Via C3 chipset and the Cruesoe are designed to operate at much lower power requirements. There's a video out of the Via where the guy fires up q3test (highly graphics intensive script that pushes the Quake III engine very hard... great for heating up/loading up CPU cycles for benchmarks, which is what it was designed for...) on an Intel Celeron -- then the fingers walk over and yank the heatsink... The expected happens... the machine locks solid within a few seconds. Same test on the Via C3? 24 hours later the machine's still cranking away at 100% CPU with no heatsink and no fan. They're meant for the low-end performance market and super-small motherboard/embedded world, but they're also a great "green" mail/web server and cheap too... http://www.mini-itx.com has links to a number of motherboards with the Via chipset in mind. I've had fun playing with a couple of these boards a friend purchased... they would make a good "second" desktop machine or small server, certainly. Some of the major laptop manufacturers (including Toshiba) have played with the Cruesoe in their consumer models, also. Nate Duehr, spam_OUTnateTakeThisOuTnatetech.com {Original Message removed}

But it's still a "modern" processor. Nate Duehr, .....nateKILLspam@spam@natetech.com ----- Original Message ----- From: "Kyrre Aalerud" <kreatureKILLspamC2I.NET> To: <.....PICLISTKILLspam.....MITVMA.MIT.EDU> Sent: Sunday, February 16, 2003 6:57 AM Subject: Re: Erroneous PC cpu operating temperature claims {Quote hidden}> The fastest Via C3 is on par with a 300 MHz Pentium Pro. It isn't even > powerful enough to play DivX. Web-servers are thus the only viable use. > (Although mine now performs a lot better after upgrading to a PIII-667.) > > KreAture > > ----- Original Message ----- > From: "Nate Duehr" <EraseMEnatespam_OUTTakeThisOuTNATETECH.COM> > To: <PICLISTspam_OUTMITVMA.MIT.EDU> > Sent: Sunday, February 16, 2003 10:46 AM > Subject: [EE]: Re: Erroneous PC cpu operating temperature claims > > > > > ALL modern processors draw extremely high currents at low voltage. > > > Haven't looked up requirements but probably 20A plus plus at 1.5 to 3 > > volts. > > > > Not totally true. Certain chips like the Via C3 chipset and the Cruesoe > are > > designed to operate at much lower power requirements. > > > > There's a video out of the Via where the guy fires up q3test (highly > > graphics intensive script that pushes the Quake III engine very hard... > > great for heating up/loading up CPU cycles for benchmarks, which is what > it > > was designed for...) on an Intel Celeron -- then the fingers walk over and > > yank the heatsink... > > > > The expected happens... the machine locks solid within a few seconds. > > > > Same test on the Via C3? 24 hours later the machine's still cranking away {Quote hidden}> > at 100% CPU with no heatsink and no fan. > > > > They're meant for the low-end performance market and super-small > > motherboard/embedded world, but they're also a great "green" mail/web > server > > and cheap too... http://www.mini-itx.com has links to a number of motherboards > with > > the Via chipset in mind. I've had fun playing with a couple of these > boards > > a friend purchased... they would make a good "second" desktop machine or > > small server, certainly. > > > > Some of the major laptop manufacturers (including Toshiba) have played > with > > the Cruesoe in their consumer models, also. > > > > Nate Duehr, @spam@nateKILLspamnatetech.com > > > > ----- Original Message ----- > > > > > > Even 20 watts (below any of above) on an unheatsunk chip will fry it vvv > > > quickly. > > > > > > It may be that Intel's cpu's have a little more thermal mass than AMDs > > which > > > may allow them to survive for a few more seconds totally unheatsunk. > (But > > an > > > eg Celeron 1700 looks pretty minimal in any sort of mass to me). > > > > > > Just possibly Intel's heatsinks are superior and without a fan they run {Quote hidden}> > > cooler. > > > But even then the temperatures they claim are bunk. > > > 84 F = 27C > > > The heatsink on the Celeron 1700 I installed a few days ago runs > > annoyingly > > > hot with VERY large Intel heatsink and fan. I'd say around 50C ! > > > > > > Anyone here have any REAL figures? > > > > > > > > > > > > Russell McMahon > > > > > > -- > > > http://www.piclist.com hint: To leave the PICList > > > KILLspampiclist-unsubscribe-requestKILLspammitvma.mit.edu> > > > > > > > -- > > http://www.piclist.com hint: PICList Posts must start with ONE topic: > > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > -- > http://www.piclist.com hint: PICList Posts must start with ONE topic: > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads