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Panaflo fan, can I convert from 2 pins to 3 pins? - Page 2

post #11 of 16
What I'm trying to say is if you can not find any "BX" word or suffix at the Panaflo fan's label, then forget about it, that BX is a sign that the rpm/tacho feature is enabled/made from the factory, so its not just the wire.
post #12 of 16
Quote:
Originally Posted by Bing;12280168 
What I'm trying to say is if you can not find any "BX" word or suffix at the Panaflo fan's label, then forget about it, that BX is a sign that the rpm/tacho feature is enabled/made from the factory, so its not just the wire.

I have two pairs fba12g12u1a model panaflo's in my server that dont have bx on the label but the tach sensor worked when a lead was soldered....

Maybe it depends on the model but it will never hurt to at least try. the worst thing to happen is it wont work
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post #13 of 16
Thread Starter 
Well... you naysayers won this round. Sorry, but no one said that they tried it already with this model or showed me a thread of someone else trying it already so I had to try. I figured the tachometer is probably not a costly unit to have on all pcb's so let's give it a try.

I had to rig my own three pin. I had an itty bitty fan that came off a PentiumII rig. I used it to cool ram awhile back. I clipped the three pin off it, rigged it to the connectors on the fan. Tripled checked in daylight to be sure no 2 bare wire was touching. Plugged into rig and checked bios: "Chassis fan: n/a". Bummer. frown.gif

I will say it moved A LOT of air. More than the fan on the CPU cooler itself if I had to guess. Though that one was running at 2000 rpm and the Panaflo is 2100 rpm (if it was indeed going full speed). Problem was that it was a bit loud even for me which is why I was hoping for an easy fan control on it. I might finally pick one up some day but not anytime soon I don't think.
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post #14 of 16
Next time you want to try that with a Panaflo fan, just pick up a 3-wire fan tail. From your pic it looks like it's connected; all it needs is a different tail, like this one.
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post #15 of 16
Thread Starter 
I probably should have taken pictures but I was being lazy. But I used a tail and connected the wires to each of the pins on the fan. Sticker on it showed where hot, ground, and sensor wires goes. Tried it once, no good. Second time I re-did the wiring, made it tighter just in case it was loose the first time, no good. If I come accross a tail like that, I will definitely try it but don't have my hopes up.
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post #16 of 16
fans are fairly easy to take apart
remove the back sticker and cover, and carefully remove the clip to hold its axle in
pull the fan out of the housing and look at the pcb

if it has missing components, cap/transistor ect. the speed sensor will not work
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