SLK900U / Panaflow 92mm Low Fan, monitoring fan speeds

[seismik]

Hi,

I've just installed a Thermalright SLK900U and a Panaflo 92mm fan on top of it. The combination is working fantastic, sound is very quiet and the cooling is significantly better than the stock Intel HSF.

I had a 3 pin header on the end of the Panaflo fan, and plugged that into the motherboard where the Intel fan plugged in. With the Intel unit I could monitor fan speeds, but now with the Panaflo installed I don't see that information anymore, it reports that no fan is connected. The fan is definitely working, it's spinning all the time.

What do I do to be able to monitor the fan speeds again? Any detriment to NOT being able too see that info? The fan speed should still increase with CPU temps right?

seismik

 

[Corporate Thug]

i'm having the same problem but i think the temps are accurate despite the fact that it shows the fan not spinning

 

[Richdog]

Was your old fan attached to your motherboard though? I just changed from a Delta 60mm connected to the motherboard to a 80mm fan connected through a 4-pin connector, and where before my motheroard reported the fan speeds while a fan was connected to the motherboard, it doesnt now I have the other through the 4-pin. So that could be the problem. :beer:

Oops misread your post, didnt see where you said that you had the new fan attached exactly where your old one was. Sorry!

 

[seismik]

Was your old fan attached to your motherboard though?

Yes, the old fan was connected to the motherboard and the new fan is also connected to the motherboard with the 3-pin header. I've heard of people connected a single wire to the 3-pin motherboard header for fan monitoring, and then the remaining 2 pins connected to a 4-pin power connecter off the power supply, how this is done or if it would help I don't know, since there should be a monitoring wire straight to the motherboard from the fan as it's connected now...

 

[Blooz1]

Your common models of panaflo fans don't support RPM monitoring. They <U>do</U> make special models with this feature, but the only place I know of that sells 'em is www.coolcases.com.

 

[seismik]

Your common models of panaflo fans don't support RPM monitoring.

That explains it then, thanks.

 

[RalfHutter]

Originally posted by: seismik

Your common models of panaflo fans don't support RPM monitoring.

That explains it then, thanks.

I've got the same setup as you (SLK900U + 92mm Panaflo L1A) but I got one of the rpm-monitoring Panaflos. I got mine from Digikey.com. Search for part number "11043-ND". They're $8.75. I have it plugged into the 3-pin MoBo header and it works fine. Runs at around 2000rpm.

 

[nebula]

Here's what Digikey has for Panaflos with RPM monitoring:

P11039 - 80mm M1
P11043 - 92mm L1
P11042 - 92mm H1
P11050 - 120mm H1

And the non-monitoring 80mm L1 is: P9736

If you search for any of these, there is a link to pull up the catalog page with all the Panaflos. NOTE: They have a $25 minimum or they tack on $5.

I was thinking of calling them up and asking them to start stocking the 80mm L1 with RPM...