Active Cool's System Takes Heat Off CPU

As OEMs brace for CPUs moving at such incredible speeds, the traditional heat sink and fan no longer will be enough to ensure proper cooling. But Ashkelon, Israel-based Active Cool has the answer with the AC4G, a cooling system geared toward high-speed systems.

The AC4G system, now available, uses a standard heat sink and fan and mounts to the CPU with two metal clamps. Attached to the traditional heat sink and fan is a microprocessor-controlled thermoelectric cooling system, which regulates the temperature of the CPU and the computer cabinet.

The AC4G also minimizes system noise by monitoring CPU temperature. PC fan noise is reduced by adjusting cooling power and fan speed every 23 milliseconds.

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The AC4G reduces fan noise by adjusting the cooling power and fan speed every 23 ms.

"We believe the low noise system combined with high system performance will be the next-generation PC requirement," said Kenny Lin, president of Thermaltake, a systems builder based in Taipei Hsiang, Taiwan.

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Active Cool's design accommodates Intel's Pentium 4 478-pin and 423-pin design, as well as AMD's Athlon design.

Solution providers can offer the system as an upgrade or an add-on.

CRN Test Center engineers' installation of the AC4G into a Pentium 4 system running at 2.4GHz took only minutes and required no hardware or software modification. The system was left on for two straight days, and the AC4G performed admirably; overheating was never an issue.

But the Test Center did have two complaints. First, because it is powered independently of the PC, the cooling system requires an extra outlet. Also, the engineers believe the next design should be more compact.

PRODUCT: AC4G