GDEmu WIP Update - Mr. Driller

June 2nd, 2014, 23:21 Posted By: wraggster

I’ve run some tests to measure the PSU temperature in several different scenarios, both with original GD-ROM drive and GDEMU installed. The most interesting case was one with GD-ROM drive but no disc, and cover completly removed:

Without any forced airflow the convection alone is not able to cool the radiators below some 70°C. It doesn’t get any worse than this though, basically the PSU reaches thermal balance at this point and stays that way.
With the cover installed PSU will heat up to about 58°C. Running the console without cover and then reinstalling it after some time will cause the temperature to drop eventually. In other words, the airflow inside the case does make some difference.
I’m a big fan of simple solutions so this is what I did:

I’ve also complety taped off the air inlet at the back of the console, so now most of the airflow will go through these holes and cool PSU down. With GDEMU installed it reached 63°C after an hour. It’s just 5 degrees more than with the original drive so I think I’m done making holes
One other point of interest, PSU voltages:

• GD-ROM drive (no disc): 3.296V / 5.030V / 13.28V
• GDEMU: 3.305V / 5.042V / 14.26V

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