>Apart from the whether a fan is really relevant on an 040... if I were
>to put a fan/heatsink combination on one of my Quadras, what would be
>the best to look for, by name/description? I've seen some shown
>graphically in ebay auctions which would fit between a drive power
>cable and take their power from there, and seem to be around 1/3 to 1/2
>an inch high and roughly 4cm*4cm - something that could fit quite well
>in even the pizzaboxies. The whole description of socket x or slot y
>type compatible fans, 3.3 and 12 and 5v has left my head spinning
>(aptly) :)
>
>thanks!
>dana
I,m not sure about the x,y compatability or name brands, but the 3.3 volt
is usualy CPU level voltage, the 5 and 12 can both come off of a power cable
spliter. The red and black wires should measure 12 volts on a VOM (volt/ohm
meter).
When the fan is running, make sure the air is blowing down at the heat
sink to cool it off. If not, you can either turn the fan over if possible
or swap the two power leads around to change the polarity going to the fan
by cutting the fans power leads and swithcing the red and black around. This
will make the fan turn in the opposite direction since it is a DC fan. If
you do this, make sure to solder the splice and tape it so it does not short
out inside the computer.
Tiny wood or sheet metal screws (screws that have a point on the end of
them, not machine screws) can be used to hold the fan to the heatsink. They
wedge themselves in between the vertical slots of the heat sink. Two screws
are enough to hold the fan to the heatsink. Any heatsink that covers the
chip will work. If there are not clips to hold the heatsink to the CPU, you
can use a thermal condutor grease to attach the heatsink to the CPU.
You can get heatsink, fan, and grease from a local electronic repair
supply house like Radio Shack. An electronic hobby shop would have the
parts for a better price though. I hope this helps!
If you have any questions, please feel free to email me direct at
[EMAIL PROTECTED]
John
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