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Interesting Article On Tom's Hardware

post #1 of 3
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http://www.tomshardware.com/2006/12/...-guide-part-1/

I came across this article on one of my facinating internet adventures and I think it was very well-written. Most of it, I was aware of as it tended to cover the basics, but there were several things that I found intriguing. The most prominent being "electromigration." Here is an excerpt from the article referring to electomigration.

Quote:
"Electromigration takes place on the actual silicon chip of your CPU, in areas that operate at a very high temperature, and can cause permanent damage to the chip. Before you start to panic, you should first realize a few things. CPUs are designed to run at temperatures between -25 and 80 degrees Celsius. To give you an idea, 80 degrees Celsius is a temperature that nobody is able to touch for longer than 1/10 second. I have never come across a CPU at this temperature. There are plenty of ways to keep the CPU case at less than 50 degrees Celsius, which increases the probability of keeping the chip inside at less than 80 degrees. Also, electromigration does not immediately damage your chip. It is a slow process, which more or less shortens the life span of a CPU running at a very high temperature. A normal CPU is meant to live for about ten years. However, in ten years nobody is going to be using a CPU with today's technology. I won't even use my CPU anymore in 2 months. If you want to be kept free from this electromigration scare, you have to do as much as possible to cool the CPU. Cooling is the Numero Uno Oncho in overclocking! Never ever forget that!"
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150g Raptor, 2x 1TB Seagate 2x DVD Burners Windows Vista Home Premium 32bit 24" Samsung 245BW + 22" Samsung 225BW LCD 
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post #2 of 3
That's a good tidbit. I wouldn't trust the 80C whole heartedly, but (80C-(vcore-1.200)*50) might work.
     
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FX-8350 @ 4.6ghz 1.425v Sabertooth 990FX Zotac GTX 1070 Amp! 32GB (4x8GB) Kingston Fury 1866mhz CL10 1T 1.5v 
Hard DriveHard DriveHard DriveHard Drive
Hitachi 2TB - HDS723020BLA64 Crucial M500 960GB - CT960M500SSD1 WD 4TB Black - WD4001FAEX WD 4TB Black - WD4001FAEX 
Hard DriveHard DriveHard DriveHard Drive
Seagate 2TB - ST2000DM001 WD 640GB Black - WD6401AALS Seagate 6TB - ST6000DM001 Micron M500 - MTFDDAK480MAV 
Optical DriveOptical DriveOptical DriveOptical Drive
Pioneer DVR-115DBK Samsung SH-S243D/BEBE LG GH22NS90 Lite-On EBAU108 External DVD 
CoolingCoolingCoolingOS
Noctua NH-D15 Fractal Design 140mm Fan - FD-FAN-140 Fractal Design 120mm Fan - FD-FAN-120 Windows 7 
OSMonitorMonitorKeyboard
Ubuntu 14.04 LTS Samsung 2343BWX 23" (2048x1152) BenQ GW2765HT 27" IPS LCD Monitor (2560x1440) Genius Keyboard KB-G235 PA 
PowerCaseMouseMouse Pad
Seasonic Platinum 1000w PSU - SS-1000XP Fractal Design Define R5 Steelseries Rival 6500 dcpi Mousepad + Desk 
AudioAudioOtherOther
Onboard Realtek® ALC 892 Cyber Acoustics CA-2992 2.0 Speakers Razer Krait 1600 DPI nGear G-C1601 Card Reader 
OtherOther
Pisen Card Reader Gigabyte M7 Thor 
CPUMotherboardGraphicsRAM
VIA Eden C7 1200mhz Jetway J7F4K1G2ES-LF VIA Onboard 512MB PC2-4200 
Hard DriveOptical DriveCoolingOS
A-Data FlashDrive None Fanless Linux 
MonitorKeyboardPowerCase
Headless None 65w Power Brick Antec ISK300-65 
MouseAudio
None Onboard VIA 
CPUMotherboardGraphicsRAM
Barton XP-M 2400+ FJQ4C Asus A7N8X-E Deluxe 256MB BFG 7800GS OC 2x512MB Samsung PC3200 
Hard DriveOSMonitorKeyboard
Raptor 74GB/Seagate 120GB Windows 2000 Pro 60hz 17" CRT Brandless PS2 Keyboard 
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post #3 of 3
Quote:
Originally Posted by LembasBread View Post
Here is an excerpt from the article referring to electomigration.
Good find, and more people need to be aware of this. I talk about it all the time when someone posts advice that it's ok to run a CPU at 80c and over 1.5v. It should be noted that electromigration is normally a slow process, but high voltage and high temps increases both the amount of damage and the speed with which it effects a CPU.


At least this person qualifies his opinion with his perspective, which is something to few people do.

Quote:
However, in ten years nobody is going to be using a CPU with today's technology. I won't even use my CPU anymore in 2 months.
Good for him, my perspective says that is wasteful and silly. 2 months?? who is this guy, Scrooge McDuck?

I have a Celeron socket 370 folding away, that thing is about 10 years old almost. My first real overclocking system, my PD 920 rig is turning a year old next month and I plan to have it for many more years. Heck, my E6700 system is more than 2 months old, I can't imagine throwing it away.

Wasteful.
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