> From: [EMAIL PROTECTED]
> Message-ID: <[EMAIL PROTECTED]>

> Can you or anyone please recall
> or suggest a simple way to connect a fan that will run at 12v or lower... to
> my 7300 or 7600 as I am setting up a hot drive in one and want to add an extra
> fan. One PC fan I have is nice and thin and about right and has a small
> reddish brown connector, 3 holes, 2 (red wire) of which are jumpered together.
> It 
> looks like a plug that will fit on the little 3-pin job called Geoport to the
> left front of a 7300 (whatever this is?). Must I tap a power (4-pin red,
> black, 
> black, blue) power set that goes to my drives and be rid of the 3-pin plug. If
> I have to tap, I assume I tap the red, but what other to be safe? Is there a
> more elegant solution, a supply on the mb?>>
> 
> Fans!
> http://www.geocities.com/glenstrek/7500_fan.html
> 
> Be sure to click on the "Cooling fan PDF" link
> 
> The other and perhaps more effective approach (learned from posts from Peter)
> is to install a higher capacity fan in the power supply. --glen (digest mode)


Thanks Glen, I did read your fine article but it did not quite help me on a
very specific electrics query (I don't want to buy things, plugs, adaptors
any more! And I did study your pics.) I have fans lying around and they all
basically have two wires, a + and a - and I suppose I wanted to tap into
things in my usual crude way: red + of the fan to red and the neg to which
other wire of the 4 that go to HDs in a 7300? I have also got to check what
load the PSU will take, it will surely handle my new Seagate 10000 LVD and a
standard Apple HD, the CD and a fan drawing about .2 of an amp (otherwise it
is easy to supply the fan from an external source).

David Elmo


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