Doesn't control or report fan speed

Attached fans and powered it up for the first time. Failed to detect fan speed or provide PWM signals to fans so they just ran at 100% speed all the time. This was true of both Linux and Windows so I don't think it was a software error and the BIOS reported a fan failure during boot as well. Sadly the SATA power cable wasn't long enough and I'd already spliced it to make it longer so a return isn't an option.

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