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To test how well the chipset heatsinks performed, we overclocked the CPU frequency
to 220Mhz, and lowered CPU cooling fan's voltage to 7V to reduce the amount
of top down airflow the board received. After 20 minutes of stressing the system
with CPUBurn, the northbridge heatsink reached 70°C according to an IR thermometer
hot enough that one second of direct skin contact was too much to handle.
The southbridge cooler on the otherhand was only mildly warm, registering 50°C.
The heatsink cooling the power regulation circuitry was also quite cool at only
60°C. Compared to previous boards, these results are quite good.
To get a rough estimate of how well the HD3300 GPU plays games, we attempted
to run 3DMark05/06. Unfortunately, we were unable to get either program to run.
When 3Dmark was loaded, the GUI would not appear and mouse movement became choppy
before Vista reported the application was not responding. We tried three different
sets of Catalyst drivers to no avail.
Other sources on the web seem to indicate that HD3300 performs very well, better
than any previous IGP. Neoseeker
reported that the IGP managed to outpace the HD 3450 discrete graphics card
in some benchmarks, and AMDZone
found that HD3300 had a 30-40% advantage compared to HD3200. With the power
consumption numbers resulting from our own testing, we anticipated it would
be the most powerful onboard graphics subsystem ever, and these reports
seem to confirm our expectations.
The HDMI output on our Asus MK241H 24" (1920x1200) LCD monitor.
Previously we had many problems testing HDMI on a BenQ 19" LCD. The signal
would frequently be blurry, distorted, overscanned, or at the wrong resolution.
Now, we have a new Asus
MK241H 1920x1200 monitor and the results are much more promising. The
video signal was perfect, indistinguishable from DVI, and the audio passed through
without any difficulties, though the monitor only supports stereo sound. The
chipset is supposed to support Dolby Digital 5.1 and DTS 5.1 configurations
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