How to keep your AMD system Cool (and therefore) quiet

BennieBoy · 2008-05-11, 23:08

Hi,

As you all know, system can get really hot.
Fortunately Both Intel and AMD uses ways to decrease heat when no processor power is needed.

AMD's system is called Cool and Quiet and works by reducing frequency (and voltage?)
This results in a processor which dissipates a lot less power and is, therefore, Cooler.

However, AMD's cool and quiet driver does not take this mechanism to the limit.

By using a piece of software called RMClock, you can use lower frequencies and lower voltages.
At this moment I am running my MP system and the processor is, in idle, 5 degrees Celsius above ambient temperature. Full load for 30 minutes will rise the temp about 20 degrees above ambient.

The temperature under full load is by use of a undervolted AMD 3000+ 939.
It normally runs at 1.45 V and with RMClock, I reduced the Voltage to 1.25 volt (your millage may vary).
At idle, I reduced the voltage to 0.875 Volts.
Rm Clock will calculate all the in between values and adjust them accordingly.

Have fun,
Ben

Spragleknas · 2008-08-20, 21:52

RMClock is good (for all systems?). Also SpeedFan is, IMO, an invaluable application when it comes to keeping a HTPC C'nQ

2008-05-11, 23:08	#1 (permalink)
BennieBoy Portal Member Join Date: Apr 2005 Location: Maastricht Age: 43 Posts: 96 Thanks: 1 Thanked 4 Times in 2 Posts Country: My System	How to keep your AMD system Cool (and therefore) quiet Hi, As you all know, system can get really hot. Fortunately Both Intel and AMD uses ways to decrease heat when no processor power is needed. AMD's system is called Cool and Quiet and works by reducing frequency (and voltage?) This results in a processor which dissipates a lot less power and is, therefore, Cooler. However, AMD's cool and quiet driver does not take this mechanism to the limit. By using a piece of software called RMClock, you can use lower frequencies and lower voltages. At this moment I am running my MP system and the processor is, in idle, 5 degrees Celsius above ambient temperature. Full load for 30 minutes will rise the temp about 20 degrees above ambient. The temperature under full load is by use of a undervolted AMD 3000+ 939. It normally runs at 1.45 V and with RMClock, I reduced the Voltage to 1.25 volt (your millage may vary). At idle, I reduced the voltage to 0.875 Volts. Rm Clock will calculate all the in between values and adjust them accordingly. Have fun, Ben __________________ . some of my [HowTo] guides Media Portal Frontend on Compact flash - Tutorial How keep your amd system cool therefore quiet

2008-08-20, 21:52	#2 (permalink)
Spragleknas Super Moderator Join Date: Dec 2005 Location: Rogaland Age: 32 Posts: 3,412 Thanks: 145 Thanked 63 Times in 53 Posts Country: My System	RMClock is good (for all systems?). Also SpeedFan is, IMO, an invaluable application when it comes to keeping a HTPC C'nQ __________________ Please read -> HOW TO START A SUPPORT THREAD !!! Support MediaPortal! Donate by clicking HERE Dedicated HTPC board (Norway) -> MSPC.no

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