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Anyone know of any jumpers or something that I could install on the motherboard fan power / sensors to trick the motherboard into thinking that fans are present? I know they are there for a reason and that the computer would normally shut down on a fan failure, but my new fan controller has a rather loud alarm built in.
Thanks in advance.
It's likely the motherboard knows of fans based on the power outlets on the motherboard itself. Different power connectors on the motherboard are associated with different fans and you can work it out by trial and error.
The solution is not simple. You may have the options in the BIOS to turn off the auto-protection that's causing it to shut down. Or, you may be able to attach fans to the power connectors but have heavy resistances to slow the fans down to almost zero rpm.
<added: TJ's solution is obviously better but modern mobos actually monitor the fan speed and if it gets no "reply" from the fan as to the rpm it's running at... you may be back to square one>