On Mar 1, 2004, at 11:56 pm, Maxwell Cabral wrote:
I'm pretty sure that having the door off is causing the normal airflow to be interrupted. How many Hard Drives do you have? The two IBM drives in my computer heat my computer up like crazy. I installed two 50mm Fans to keep it cool.
I didn't take the door off, I just carefully removed the pins that make the fan contact with the main case and tied them back so they didn't contact anymore. The case is all closed up so it is still drawing air in through the slots at the base, over the hard disks in the floor, and up into the PSU.
Another thing I considered was turning the fan round! Apple's service manual specifically dictates the fan should blow out of the case, presumably to pull air off the lower hard disks. This is a very big mistake. The PSU fan also blows out of the case. If you have a fan on each side of an air mass pulling air away you drop the pressure, leaving less air molecules to carry heat off the components. This is why the front panel fan in an ATX PC case should blow *in* and the rear fan or fans should blow *out*. Using the proper method you get an 'accelerated convection' system that merely speeds air up along it's natural path, whilst maintaining the internal air pressure to ensure maximum cooling effect.
-- Mark Benson
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