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Installation The system used for testing
is: AMD Athlon XP 1800+ Palomino Abit KX7-333 512mb Mushkin
PC2700 PNY Geforce 4 Ti4600 2x 120gb Western Digital 8mb Cache Windows
XP Professional I first coated the core of the CPU in a paper
thin coating of Arctic Silver 3 and then went right to work. I first removed the
motherboard from the case to make it easier on me. The installation,
whether using a P4 or Athlon, is completely tool free. Unfortunately even the
lack of tools does not make this the most trouble-free installation. The first
clip went on eaily but, due to the slanted edge of the HSF, it was difficult to
get a grip on the tab that pushes the second clip down. It took a fingernail to
push the tab down and once I had gotten my entire finger on the tab the clip slid
into place easily. I am blessed with small fingers but those not so blessed will
find it very difficult to get the clip over the socket lugs. I think that Aerocool
should have extended the tab about another centimetre or two. I
tipped the motherboard upside down and gave it a good shake (thank you AMD for
your cheap CPUs) just to test if the heatsink was firmly in place. There was no
visible shifting and I proceeded to reinstall the motherboard back into the case. 
Upon
turning the computer I was presented with not a heck of a lot. Not a lot of noise
that is. The fan makes little more than a calming swish. There are no annoying
whines and when placed inside a case is quite inaudible. 
The
lights are very well picked and have a very solid glow to them. The orange fan
gives the impression of there being fire-within-water. Temperature
Testing I tested the heatink at two different speeds, the
default 1.53ghz (1.75 vcore) and overclocked to 1.75ghz (1.85 vcore). You may
say that the testing only represents up to a 2100+ processor speed and is not
thorough enough. Keep in mind, however, that this is a Palomino core which by
default runs significantly hotter than its Tbred equivalent. The Abit KX7-333
is also known to read higher temperatures than most boards due to its longer than
normal temperature diode. This brings the recorded temperature closer to the actual
on-die temperature of the processor. All temperatures were recorded
by Winbond Hardware Doctor and confirmed through Sisoft Sandra 2003. The Idle
temperatures are done while sitting in Windows and the Load temperatures were
recorded after 45 minutes of Prime 95 Torture test. I also matched
it up against 2 coolers: A Generic Aluminum cooler with copper insert w/ 60mm
36cfm fan A Globalwin FOP32 Aluminum cooler Aerocool Extreme
| Temperatures at
Stock Speeds (1.53ghz, 1.75v) | | Idle |
44.5 C | | Load |
51.5 C | FOP32
| Temperatures at
Stock Speeds (1.53ghz, 1.75v) | | Idle |
49.5 C | | Load |
59.0 C | Generic
| Temperatures at
Stock Speeds (1.53ghz, 1.75v) | | Idle |
47.0 C | | Load |
54.5 C | The Extreme stays ahead
of both of these coolers at Idle and it's lead increases as the processor begins
to work. Aerocool Extreme
| Temperatures at
Overclocked Speeds (1.75ghz, 1.85v) | | Idle |
50.0 C | | Load |
56.5 C | Due to my lack of interest
in running my processor at 70+ C the FOP32 will not be participating. Generic
| Temperatures at
Overclocked Speeds (1.75ghz, 1.85v) | | Idle |
54.0 C | | Load |
63.5 C | I
attempted to reach a higher clockspeed on the Extreme but it would not boot into
Windows past 1.75ghz. With watercooling it had no problems up to 1.85ghz. The
Generic seemed to have hit it's thermal limit at load speeds because the temperatures
shot up so dramatically. The Extreme on the other hand maintains a fairly predictable
curve upwards in temperatures. Temps are very usable but they
are really starting to get toasty. This is certainly not an overclockers heatsink.
It does beat the life out of the Generic and the FOP32 though. Keep in mind that
the cooling fan is the limiting factor here and with a high cfm fan would be enough
to turn this into a fairly powerful cooler for most overclockers. |