I Hate Computers

   / I Hate Computers #61  
Glueguy,

Mine wasn't too flaky until I added the CD-RW and a second printer port for a scanner and second printer. Since then, it does pretty strange things, like losing the factory port, losing the PCI port, losing USB support, etc. Just enough to make life interesting.

SHF
 
   / I Hate Computers #62  
Scruffy

The AMD's run hot? I upgraded the old 486 with an AMD chip and haven't noticed any problems. Is the heat problem only with the newer chips?

SHF
 
   / I Hate Computers #63  
<font color=blue>...The AMD's run hot? ...</font color=blue>

Not as much with the older K5's or K6's, but the K7 Athlons can self destruct within seconds without the proper cooling fan...

All cooling fan's are not created equal... /w3tcompact/icons/frown.gif

18-35197-JD5205JFMsignaturelogo.JPG
 
   / I Hate Computers
  • Thread Starter
#64  
Hmmm, this thread is the first time I've heard of AMDs running hot. How do you tell? My computer doesn't have a temperature gauge. And this IBM I've been using for 3 years is running an AMD K6-2/300 processor.

Bird
 
   / I Hate Computers #65  
SHF, as John said, the Athlons, Durons etc run hotter than the dickens! There is no way to go with 'overkill' on cpu fans for them...if AMD recommends a certain fan (which they do), then by all means go with one that has a greater cfm output! The heatsink is definately important also. This 700 is a Slot 1 type of cpu, and I have THREE cpu fans on it...finally got it running cool enough....never could get enough fans going on the M/B to cool it sufficiently, and now have it sitting right in front of a window a/c with the side panel off.
 
   / I Hate Computers #66  
Does anybody have any idea why the AMDs are running so hot? Is AMD using overclocking as it's method of choice for increasing the speed of the chips?

SHF
 
   / I Hate Computers #67  
Bird,

My BIOS tells me on startup what the CPU temperature is. Also, there is a place in windows 98 that tells CPU temp and fan speed. I found it once by accident and for the life of me, I can't figure out how to get back there. /w3tcompact/icons/crazy.gif

SHF
 
   / I Hate Computers #68  
SHF, if I have my facts correct (won't swear to it), it is because of number of instruction sets and the shortness of them that the AMD processor runs. The AMD chip runs many more instruction sets than the Intells because of the abreviated way they are written, as well as the total number of sets available to run. The Intell (last followed this issue 4 or 5 years ago) has something like double the number of Instruction sets than the AMD, and they are full line, complete instructions to do one job, the AMD will use a combination of sets to do the same step, that other one, Cyrix (?) has about half of the number that AMD does (at least at that time). The multiple steps will run through the processor very fast due to their inherent shortness of length, BUT, this very same process creates more heat. Kinda the Danged if you do, Danged if you don't theory. The heat was the tradeoff for the speed.
There is a little program you can add that will modify the AMD instruction set handling, and lower the tempurature 15 to 20 degrees. The problem I found with it is, its not compatible will all programs /w3tcompact/icons/frown.gif, and the programs that it wasn't compatible with are some of the ones I need!
If any of you techies disagree with this information, PLEASE update or correct my 'old' knowledge!

NOTE: If you want software to check your system for a complete analysis, go to: http://www.sisoftware.co.uk/sandra
scroll down (right hand column) and look for the Sandra2001te Standard version. It is a (I think this is the spot for the trial version) good tool to have, and the 'Pro' version with all modules activated is only $29.00
It will tell you the tempuratures of your cpu, m/b, etc, and has warnings for fan failure, etc. even will give you your fan speeds as well as almost every other tidbit of info you might want.
<P ID="edit"><FONT SIZE=-1>Edited by scruffy on 08/20/01 04:10 AM (server time).</FONT></P>
 
   / I Hate Computers #69  
Scruffy

So, basically the difference is the AMD is running more clock cycles? I remember reading that there are 2 ways to increase processor speed. One is to improve the chip. The second is just to increase the juice and force the processor into more cycles. My understanding of this is that you can rebuild your motor with oversized pistons, etc. OR, you can just shoot some NOX into it. Both increase the horsepower.

Do we know what the critical temp is on an AMD?

SHF
 
   / I Hate Computers
  • Thread Starter
#70  
Anyone ever hear of a program called SiSoft Sandra? I downloaded it off the Internet a long time ago, and it claims to tell you just about everything about your system. I know it tells me a lot more than I understand. Anyway, I was looking to see whether it mentioned temperature and found that it supposedly includes a warning if the processor temperature is excessive; i.e., in excess of approx. 70 degrees centigrade if yours has a temperature sensor. It says something about Pentium II not having one, I think. Does that sound about right?

Bird
 

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