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GlobalWin FDP32 - the real Alpha killer?
Product: GlobalWin FDP32 S/370 Heatsink/Fan Combo
#Price: 19.99 from OcUK (price includes VAT)
Relevant System Components: Abit BM6 S/370 Motherboard, Intel Celeron 366 PPGA

Being the biggest Heatsink/Fan combo made by Globalwin currently on the market the FDP32 is, accordingly, pretty huge. The package comprises of 1 Aluminium Heatsink (measuring 66mm x 60mmx 44mm), 1 YSTech 26CFM Fan, 1 Quality Metal Clip and 4 long screws for holding the whole thing together. The Heatsink comes pre-assembled and has a small thermal pad afixed to it's underside. The YSTech fan is set to blow air onto, rather than away from, the heatsink.

Installation Installation was fairly straight forward. First I removed my old Heatsink (the one which came with the Celeron chip). Then I removed the thermal pad on the FDP32 because I wanted to use some Thermal Compound (which you can buy here) which better fills the gap between the CPU and the Heatsink. Once I had applied a thin layer of the compound and I'd positioned the heaksink on the CPU I tried to fix the clip to the tabs on the edge of the socket. However because the clip was stiff and I couldn't see the tabs (the fan was in the way) I couldn't quite get the clip to sit right. To get round this I removed the fan then positioned the heatsink and then re-attached the fan. Everything looked to be nice and secure so I now attached the fan's 3 pin power connector to the CPU fan header at the top of the motherboard and turned on the PC.

Testing For the test I took the CPU up as high as I could make it go by increasing the motherboards FSB speed. The CPU voltage remained at 2v (The Celerons default voltage) through-out the test. With the heatsink that came with the chip I had taken the 366 up to 412.5Mhz with a 75Mhz FSB but I experienced frequent lockups with this speed because the standard heatsink is not meant for overclocking.

The CPU ripped through 75 and 84Mhz FSB speeds (giving 412.5 and 462Mhz respectively) with the heaksink remaining cool to the touch. Now for the big test. Could the heatsink allow the chip to get get to 100Mhz FSB (550Mhz)? I used a thermal probe for the heat readings.
  • 5.5x100=550Mhz Heatsink Temperature: 36.9
  • 5.5x103=567Mhz Heatsink Temperature: 37.2
  • 5.5x105=578Mhz Heatsink Temperature: 39.1
  • 5.5x110=605Mhz Heatsink Temperature: 41.4
  • 5.5x112=616Mhz Heatsink Temperature: 46.2
  • 5.5x115=632.5Mhz Heatsink Temperature: 49.9


  • From the graph we can see there is quite a smooth rise in temperature, so you won't find too many nasty shocks if you raise the FSB by 5 Mhz. The final result we got, with the Celeron running at 632.5 MHz was a bit high on the temperature side, but then again the Celeron was a 366 and I was quite happy (to say the least) with the new frequency I could run my CPU at. Moving away from the overclocking, this heatsink is a stable Socket 7/370 heatsink, although if you aren't thinking of overclocking your CPU there are cheaper alternatives.

    Conclusion
    As you can see the chip and heatsink performed amazingly well. The Heatsink allowed me to take the chip up to 616Mhz which was, for the most part, stable bar a few lockups whilst running Quake3 Crusher timedemos. The CPU actually managed to boot and run anything but 3D apps at 632Mhz which was most suprising. I think I'm very lucky to get a CPU that can manage these kinds of speeds. The heatsink is an excellent piece of kit in terms of value to money and performance. The FDP32 will have trouble fiting on some motherboards, most noteably the Abit BP6. For boards such as this GlobalWin have made a slimed down version of the FDP32 called the FEP32M. You can get both the FDP32 and the FEP32M from here. This heatsink was touted as the 'Alpha Killer' however there is one thing this heatsink lacks compared to the Alpha, and that is the copper conduction plate. However we should be able to get hold of an Alpha Socket 370 heatsink to see whether this really does stand up to the 'Alpha Killer' statement.