Cooling & Overclocking Forum RSS Feed (Replies Included)

Laptop Overheating

Tue, 14 Aug 2012 10:03:58 -0700

Dear all,
I have proble with my laptop (compac). I have some game downloaded from internet. when i play my game my laptop will be shut down after around half hour. I think games are compatible with my window 7. Question : why it happen to my laptop?

Laptop Overheating

Tue, 14 Aug 2012 09:56:22 -0700

Re: Signs of cpu damage

Sat, 19 Mar 2011 04:11:28 -0700

Most Common sign of CPU Damage, I think is heat, When CPU heat up, then there will be any problem in CPU occurs.
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Re: Signs of cpu damage

Fri, 23 Oct 2009 02:29:57 -0700

Nice conversation, really informative.
Cheers

about overclocking the cpu

Sat, 05 Sep 2009 23:54:28 -0700

i have recently bought core 2 quad 9550 2.83ghz and i tried to overclock it to 3ghz the system has hanged and when i restarted it became very deep slow at the starting,then ithought that win has damaged and i reinstalled the windows now its little bit okay but i cant get my the speed before i overclocked,it is little bit slow,so i need to know that the cpu has damaged or any other issues so pls help me....

Re: clocking

Mon, 05 Sep 2005 16:27:51 -0700

: what is d difference between operating frequency n clock frequency?
:

Clock frequency is the frequency of oscillator on board, but the operating frequency is the CPI (cycle per instruction) i.e. the number of cycles of oscillator to have an instruction carried out.

clocking

Fri, 08 Oct 2004 23:23:44 -0700

what is d difference between operating frequency n clock frequency?

CPU temperature source code

Wed, 20 Aug 2003 18:10:03 -0700

Hi,
I am looking foe some information to read the CPU temperature from an Intel Pentium IV S478 CPU. Would someone send me some source code in C/assembly?
Thanks,
Frank
feory@po-box.mcgill.ca

Re: Signs of cpu damage

Wed, 11 Sep 2002 07:36:36 -0700

: What are some signs your cpu has been damaged do to overclocking?
:
:
: Poorman
:
the computer does start with black screen and keep black screen, it will give some beep, you can also see it when you look to the core, when it's color is different then it's used to be then it is damaged

Re: Signs of cpu damage

Fri, 16 Aug 2002 00:00:39 -0700

: What are some signs your cpu has been damaged do to overclocking?
:
:
: Poorman
:

This depends on a few things. The first thing is to assume there is indeed damage caused by heat, which can result in 1) alloy diffusion of the N and P regions which results in a 'deformed' circuit over time and 2) internal part expansion/contraction on the chip which can lead to separations or cracks. These ultimately happen anyhow, given enough time at normal operating temperature, and this life time is called the manufacturer-specified MTBF (mean time before failure). MTBF is shortened by raising the heat applied and a few degrees can be significant. The Q10/2 method states that increasing a process temperature by 10 degrees will double a process reaction rate, i.e. if the MTBF at 100C was 300000 hours, then the MTBF at 110C would be 150000 hours. The range of such heat damage signs are from running normally to not working at all. The nearly normal condition would only happen if there was fault tolerant circuitry that was not itself damaged, and that the damaged area was, say, on board cache memory where a block could be de-allocated if found bad upon startup.

Concerning result 1), my experience dealing with alloy migration has been that digital circuits will either work or not so that the effect of alloy migration can be eliminated. If the circuit works at all, then it hasn't happened. Honestly, I don't think I've had a chip around long enough to see if this really happens, but I have seen electron microscope images showing an aged chip compared to a new one. The aged one looks like a mars landscape a bit while the new one is clean.

Concerning result 2), the more common problem I have seen is intermittent problems where a cold spray on a questionable chip proved or disproved that the chip had a 'cold' connection somewhere internal (a small separation). As a technician in the DOD, I have seen this approach: Get the system with questionable CPU to run until a problem occurs, then spray a cold spray on the CPU and see if the problem goes away. Or, if the problem causes a lockup, then start the system while spraying the cold spray as needed to keep the CPU cool. If the problem is not seen, then you can assume a 'cold' connection. A big assumption here is that the rest of the system besides the CPU is not the cause for any problems. If you can use an identical motherboard as well as other components, you can rule this out.

Other than just waiting for the numerous possible signs of heat damage on a system that does not have any known problems, use the method that many electrical engineers and technicians have used which is the cold spray method to exhibit or bring out the heat damage on a system that is known to have a problem. Other than that, the heat damage could only be seen with an electron microscope.

Signs of cpu damage

Thu, 27 Jun 2002 19:42:19 -0700

What are some signs your cpu has been damaged do to overclocking?

Poorman

Re: Welcome to the Cooling & OC messageboard!

Sat, 15 Jun 2002 21:52:12 -0700

: Welcome to the cooling and over-clocking messageboard!
:
: This board is for posting of computer system cooling and overclocking related posts.
:
: Overclocking of your computer can damage your system and we take no responsibility for that.
: /WEBMASTER
:

I've seen a few ideas on cooling that I question the sanity of. 1. Using water lines and a radiator system to cart heat from the cpu, hard drive and video card. 2. Placing the Case in the refrigerator and running the electrical lines out through a hole in the side of the thing sealed with silicone.

What I want to do is use a thermal cooling chip from one of those portable refrigerators as a cpu cooler. They run on 12 Volts DC. No fluids, just heat transfer technology from NASA.

What do you think ?
Signed;
DREW

Re: Athlon XP oc

Thu, 02 May 2002 05:50:42 -0700

: Thanks for the reply, ive already bought it - AthlonXP 1700+ with Asus KR7 mobo, 512 DDR ram, IBM 40Gb HDD, Radeon 8500 64MB. Ive decided not to overclock it at the moment simply because i wouldnt appreciate the performance increase yet. ill wait until its a couple of years old and am tired with its sluggishness :)
:
: However, i seem to be having troubles with temperature as it is now. the cpu frequenyly gets to 60C without doing much work on a hot day (ambient around 30-35C) and i feel a little uncomfortable with it running this hot. there is only one case fan at the moment sucking air from around the cpu. i bought a second one to blow outside air onto the mobo but its just sooooo damn noisy i ripped it out. any ideas on how i can run it a bit cooler without giving me a headache?

Hmmmm...if you only have the fan sucking air from the CPU (which is the heatsink fan) than you really do need to put more in. Go to www.sidewindercomputers.com and they have a whole LOAD of fans to buy from. Also, they have this really neat sound room where you can hear what the fans sound like. Also, sound has a rating if you would want to familiarize yourself with that. 60C isn't a good temp for an AMD. That's the time you should start worrying. I would say go with watercooling (a kit or homemade) but you would still have to have a least one 120mm fan and that can get loud. Or, go to sidewindercomputers and find a couple of not-so-loud fans and put those in. The heatsink fan isn't enough to cool the CPU, and even the whole system. You have a really nice computer and you would also have to monitor the system temp (you don't want, especially, the hdd and the video card to get too hot or you could ruin them and/or get data corruption).

Re: Athlon XP oc

Wed, 01 May 2002 15:51:59 -0700

: : Im going to buy a new PC. Im looking at an athlon xp 1700+ or similar and wanted to know which cpu/motherboard/ram is best for overclocking?
: :
:
: Are you going to buy the PC or build it? My motherboard and CPU are as follows:
:
: Motherboard: Epox 8KHA+
: CPU: AMD Athlon XP 1600+
:
: I overclocked my XP from 1.4 to 1.63. I definitely suggest going Epox, but they have a newer model out (newer than my 8KHA+). They have the 8K3A. I hear this might be a little better. I don't know from first-hand experience, though. You could also go Abit or Asus. They are very good mobos.
:
: For RAM, I have 256M of Crucial DDR. It's holding 310MHz FSB very well and is stable. But, you have to take ALL of your hardware into account when you overclock. What video card? HDD (I suggest Western Digital)? And what wattage for the PSU? Cooling system for an overclocked machine is one of THE biggest things to take into account. I have 4 x 80mm Sunon High Speeds in my case (not counting the PSU fan, GPU fan, and the HSF). COOLING IS VERY, VERY BIG!!!!
:
: I am a big-time overclocker so with any questions just reply or you can also e-mail me about questions or anything :D
:
: ASMcat
:
:

Thanks for the reply, ive already bought it - AthlonXP 1700+ with Asus KR7 mobo, 512 DDR ram, IBM 40Gb HDD, Radeon 8500 64MB. Ive decided not to overclock it at the moment simply because i wouldnt appreciate the performance increase yet. ill wait until its a couple of years old and am tired with its sluggishness :)

However, i seem to be having troubles with temperature as it is now. the cpu frequenyly gets to 60C without doing much work on a hot day (ambient around 30-35C) and i feel a little uncomfortable with it running this hot. there is only one case fan at the moment sucking air from around the cpu. i bought a second one to blow outside air onto the mobo but its just sooooo damn noisy i ripped it out. any ideas on how i can run it a bit cooler without giving me a headache?

Re: Athlon XP oc

Wed, 01 May 2002 11:26:17 -0700

: Im going to buy a new PC. Im looking at an athlon xp 1700+ or similar and wanted to know which cpu/motherboard/ram is best for overclocking?
:

Are you going to buy the PC or build it? My motherboard and CPU are as follows:

Motherboard: Epox 8KHA+
CPU: AMD Athlon XP 1600+

I overclocked my XP from 1.4 to 1.63. I definitely suggest going Epox, but they have a newer model out (newer than my 8KHA+). They have the 8K3A. I hear this might be a little better. I don't know from first-hand experience, though. You could also go Abit or Asus. They are very good mobos.

For RAM, I have 256M of Crucial DDR. It's holding 310MHz FSB very well and is stable. But, you have to take ALL of your hardware into account when you overclock. What video card? HDD (I suggest Western Digital)? And what wattage for the PSU? Cooling system for an overclocked machine is one of THE biggest things to take into account. I have 4 x 80mm Sunon High Speeds in my case (not counting the PSU fan, GPU fan, and the HSF). COOLING IS VERY, VERY BIG!!!!

I am a big-time overclocker so with any questions just reply or you can also e-mail me about questions or anything :D

ASMcat

Re: Athlon XP oc

Sat, 09 Feb 2002 21:21:55 -0700

: Im going to buy a new PC. Im looking at an athlon xp 1700+ or similar and wanted to know which cpu/motherboard/ram is best for overclocking?
: Hello! Check with http://www6.tomshardware.com/ for a vast amount of information regarding CPU cooling and overclocking. I've been overclocking ASUS motherboards for several years without failure. Plenty of cooling is required to prevent premature failure of the cpu and motherboard. Good luck.

Athlon XP oc

Fri, 08 Feb 2002 21:36:02 -0700

Im going to buy a new PC. Im looking at an athlon xp 1700+ or similar and wanted to know which cpu/motherboard/ram is best for overclocking?

Welcome to the Cooling & OC messageboard!

Mon, 04 Feb 2002 05:02:16 -0700

Welcome to the cooling and over-clocking messageboard!

This board is for posting of computer system cooling and overclocking related posts.

Overclocking of your computer can damage your system and we take no responsibility for that.
<br>/WEBMASTER