Home Up PC Specs Overclocking Cooling System

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Temperature Monitoring

    
Heatsink and Fan Cooling

Temperatures internal to the CPU, external to the 440BX chipset and on the motherboard were all monitored.  The temperature transition from CPU idle to 100% processor usage is presented in the following graphs. 

PIII Internal Temp w/ Stock Heatsink

 

 

440BX Chipset Temp w/ Stock Heatsink

 

  The temperature of the CPU and water were monitored and it was found that the CPU temperature would be approximately 35C at no-load at all three FSB speeds.  At full-load the temperatures began to deviate by as much as 5C between the 100 MHz FSB and 133 MHz FSB.

Active Cooling

Temperatures internal to the CPU and the 440BX chipset were monitored for two different FSB speeds.  The temperature transition from CPU idle to 100% processor usage is presented in the following graphs. 

PIII Internal Temp w/ Active Cooling

 

Figure 21: 440BX Chipset Temp w/ Active Cooling

 The temperature of the CPU and water were monitored and it was found that the CPU could be maintained to approximately 23C and the water at approximately 39C. 

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University of Victoria    Faculty of Engineering    Dept. of Electrical Engineering
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Last updated: April 6, 2001.