Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-04 Thread Riad S. Wahby
Tim May [EMAIL PROTECTED] wrote: Now I grant you that I haven't tested CPUs in this way in many years. But I am skeptical that recent CPUs are substantially different than past CPUs. I would like to see some actual reports of burned literally CPUs. I've never seen a burned literally CPU,

Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-04 Thread James A. Donald
-- On 1 Jan 2004 at 10:44, Tim May wrote: Further, junction-to-case temperature in a ceramic package has a time constant of tens of seconds, meaning, the case temperature reaches something like 98% of its equilibrium value (as wattage reaches, say, 60 watts, or whatever), in tens of

Skeptical about claim that stamp creation burns out modern CPUs

2004-01-04 Thread Tim May
On Jan 1, 2004, at 8:13 AM, Eric S. Johansson wrote: actually, we mean burned literally. the stamp creation process raises the temperature of the CPU. Most systems are not build for full tilt computational load. They do not have the ventilation necessary for reliable operation. So, they may

Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-04 Thread Tim May
On Jan 1, 2004, at 2:35 PM, Eric S. Johansson wrote: Tim May wrote: I'm skeptical of this claim. A lot of Intel and AMD and similar machines are running full-tilt, 24/7. To wit, Beowulf-type clusters, the Macintosh G5 cluster that is now rated third fasted in the world, and so on. None of

Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-04 Thread Tim May
On Jan 1, 2004, at 11:56 AM, Riad S. Wahby wrote: Tim May [EMAIL PROTECTED] wrote: Now I grant you that I haven't tested CPUs in this way in many years. But I am skeptical that recent CPUs are substantially different than past CPUs. I would like to see some actual reports of burned literally

Skeptical about claim that stamp creation burns out modern CPUs

2004-01-01 Thread Tim May
On Jan 1, 2004, at 8:13 AM, Eric S. Johansson wrote: actually, we mean burned literally. the stamp creation process raises the temperature of the CPU. Most systems are not build for full tilt computational load. They do not have the ventilation necessary for reliable operation. So, they may

Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-01 Thread Riad S. Wahby
Tim May [EMAIL PROTECTED] wrote: Now I grant you that I haven't tested CPUs in this way in many years. But I am skeptical that recent CPUs are substantially different than past CPUs. I would like to see some actual reports of burned literally CPUs. I've never seen a burned literally CPU,

Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-01 Thread Tim May
On Jan 1, 2004, at 11:56 AM, Riad S. Wahby wrote: Tim May [EMAIL PROTECTED] wrote: Now I grant you that I haven't tested CPUs in this way in many years. But I am skeptical that recent CPUs are substantially different than past CPUs. I would like to see some actual reports of burned literally

Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-01 Thread James A. Donald
-- On 1 Jan 2004 at 10:44, Tim May wrote: Further, junction-to-case temperature in a ceramic package has a time constant of tens of seconds, meaning, the case temperature reaches something like 98% of its equilibrium value (as wattage reaches, say, 60 watts, or whatever), in tens of

Re: Skeptical about claim that stamp creation burns out modern CPUs

2004-01-01 Thread Tim May
On Jan 1, 2004, at 2:35 PM, Eric S. Johansson wrote: Tim May wrote: I'm skeptical of this claim. A lot of Intel and AMD and similar machines are running full-tilt, 24/7. To wit, Beowulf-type clusters, the Macintosh G5 cluster that is now rated third fasted in the world, and so on. None of