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Kool Solutions Chill Vent II Deluxe CV-288 Review

Cooling/VGA & Other Cooling by jmke @ 2004-06-04

How can a piece of plastic drop your CPU temperatures by 5?C or more? Read on to find out how a plug and play air duct can increase the cooling efficiency of your system!

Test System 2

Test System 2 Testing and comments by Piotke

Case: Cooler Master Centurion

CPU: A64 3000+ @ 2450Mhz at 1.7v vcore.

CPU Cooling: Thermalright SLK948-U with a 80mm Papst fan @ 2700rpm

Video: ATI Radeon 9800 Pro + Arctic VGA Silencer @ full speed

Case fans: 1x80mm intake at front, 1x80mm outtake in back and 2x120mm outtake in top (running at 7v)

Motherboard used is a Shuttle AN50R, temperatures were read from the onboard sensor using Motherboard Monitor 5.

As you can see from the pictures below, I had to do quite some cutting to get it installed properly, basically removing the lower half. During all testing I had the 2 small 40mm fans running which are completely noiseless. I had some trouble getting it to fit over the fan mounting clips of the Thermalright SLK, using a 80mm with the clips makes it a close fit, a 92mm CPU fan is out of the question.

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Spot the difference between this picture and the one below… :)

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As this ATI video card lacks onboard temperature sensors, I will update the video card test results as soon as I get my hands on a suitable graphics board.

Test results

The Shuttle AN50R has 2 system temperature sensors, one at the bottom of the board in the chipset (SYS2) and one near the CPU socket area (SYS1).

The first test is run with all the case fans unplugged

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The CPU temperature dropped a lot, a whole 5°C; but it also seems the Chipset is benefiting from the Chill Vent as its loaded temperature readout went down by 6°C! The only anomaly I noticed is the increase in the temperature of the SYS1 sensor; a double checked this many times, the results remained unchanged.

A second test with all the fans plugged in and the 2x120mm ones running at 7v.

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Once again we notice quite a drop in the CPU load temperatures; the anomaly we saw in the previous test has disappeared leading to believe that the rear fan removes all the hot air around the CPU socket quite effectively. When using case fans and the Chill Vent the CPU temp dropped an amazing 12°C, all this without a single heatsink upgrade!

Onto the conclusion ->

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