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fan rpm monitoring when using delta 7V mod??

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Celemine1Gig

Senior Member
Joined
Dec 18, 2000
Location
Germany->Bavaria-> Augsburg
Hi guys,

I just did the delta 7V mod and noticed that I cpould no longer monitor my rpm. Do you know why and how to change that. I did supply the fan with 7V by just moving the ground cable in the 3 to 4 pin adapter to the 5V postion as described in other articles, but now rpm monitring is gone. I know that monitoring rpm at 7V or 5V is possible because I saw a cooling store selling 3pin to 4 pin adapters featuring rpm monitoring at that voltage. BTW I monitored the fan rpm by seperating the rpm cable (from the two other that were conntected to a 3 to 4pin adapter and then directly to the PSU). That worked fine at 12V.

Please help!!