Author: Wayne Lowrance
Date: 06:27:49 03/29/02
Go up one level in this thread
On March 29, 2002 at 01:27:42, Slater Wold wrote: >On March 28, 2002 at 20:32:40, Tom Kerrigan wrote: > >>Some things come to mind, thinking a little more about this. >> >>First is electromigration. When current goes through circuits, the paths are >>eroded by miniscule amounts. This basically only matters within dense chips like >>microprocessors, where the connections are only a few hundred molecules wide. >>The point is that these chips wear out when you use them, but they're still >>designed/manufactured for 10+ years of continuous use, so it doesn't really >>matter. The problem is when you start overclocking and upping the current >>through the chips--some people claim that with high current, CPUs can be >>destroyed because of electromigration within 2 years. Again, not a problem if >>you don't overclock. >> >>The only other parts of a computer that wear out are the capacitors and the >>moving parts, i.e., the fans and hard drive. Old capacitors leak, but I don't >>know how usage patterns affect this leakage. I also don't know if fans wear out >>faster if they're left on or if they're cycled on and off. I know that hard >>drives used to wear when they were turned on and off, but now that we have >>autoparking heads and so forth, I don't think that's an issue. Laptop >>power-saving software is constantly turning hard drives on and off, and I >>haven't heard complains frop laptop users about hard drive lifespans. >> >>Really, I don't think it matters. I know people who leave their computers on all >>day and I know other people who turn theirs on and off many times per day, and >>the compuers all last a darn long time. >> >>-Tom > >When I bought my AMD 2x1.53Ghz, my first benches were my *slowest*. Of course, >I booted up these CPU's for the first time ever, and went straight to the >benchmarks. They were the slowest I've ever got. 2 hours later the benches >were 3% higher, constantly. Therefore, that would blow that theory right outta >the water. No CPU is cooler than one that's never been used before. :D > >Also, I just looked, and my computer has been running for > 20 days. The >benches are within .5% of my benches I ran 12 hours after getting the system. > >If you have a memory leak (best way to tell is to check resources, open program, >use program, close program, and then check resources) your system performance is >of course going to degrade *very* fast. (CM used to have a pretty bad leak.) Would you please elaborate on this. I don"t understand what you mean, or the operating principle. Thanks Wayne > >I have no idea what lead this guy to write such a bogus article, but it's pretty >silly. When I turn on my system, my CPU's almost immediatly jump to 20 C or so, >and then never go above about 45 C (after 18 hours of running WAC). 25 C is >*not* enough heat to cause *any* kind of problems. In *any* computer.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.