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Thanks for the kind words It sounds likely that your adapter is at fault - I made my own adapter, and I haven't had any issues. I don't know which adapter you're using, but unless it's made specifically for Dell's style of connectors and their pinout, something might not be wired correctly in it - as far as I know Dell's setup is entirely proprietary. At least they use standard fan wiring colors, which is how I hooked up mine. Of course your cooler also needs a PWM fan, but given that you're using an L9i that should be in order. Could you send me a link to your adapter? It might be that all you need is to swap around some of its pins so that the PWM signal gets through correctly. A link or some photos should help sort that out
Thanks for the kind words
It sounds likely that your adapter is at fault - I made my own adapter, and I haven't had any issues. I don't know which adapter you're using, but unless it's made specifically for Dell's style of connectors and their pinout, something might not be wired correctly in it - as far as I know Dell's setup is entirely proprietary. At least they use standard fan wiring colors, which is how I hooked up mine. Of course your cooler also needs a PWM fan, but given that you're using an L9i that should be in order. Could you send me a link to your adapter? It might be that all you need is to swap around some of its pins so that the PWM signal gets through correctly. A link or some photos should help sort that out