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Old 02-13-08, 07:51 AM   #1
Amuro
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Join Date: Jul 2004
Location: Hong Kong
Posts: 3,206
Default Why Vdroop is a good thing...

For those that hate Vdroop, check this out:

It's part of an article on overclocking the QX9650, but it explains why Vdroop is an important design feature.

Quote:
If you've ever overclocked a system, chances are that at some point or another you've had opportunity to become upset with your Vdroop "problem." Some users, confused as to why their system refuses to exactly match actual processor supply voltage to the value specified in BIOS, are quick to blame the quality their motherboard; still others find fault with the difference noted between their board's idle and full-load processor supply voltages. Actually, load line droop (Vdroop) is an inherent part of any Intel power delivery design specification and serves an important role in maintaining system stability. In most cases, comments regarding unacceptable power delivery performance are completely unfounded. To make matters worse, unjustified negative consumer perception surrounding this often misunderstood design feature eventually forced a few motherboard manufacturers to respond to enthusiasts' demands for action by adding an option in their BIOS that effectively disables this important function.

Based on the currently running tasks, processor load can vary significantly during system operation. ....
http://www.anandtech.com/cpuchipsets...spx?i=3184&p=5
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