CPU_FAN and CPU_OPT are entirely different and serve distinct purposes in the context of a computer cooling system. CPU_FAN or CPU Fan Header is the primary 4-pin fan header on a motherboard, and it ...
XDA Developers on MSN
Your motherboard's tiny fan header can do way more than cool your CPU
It's pretty cool, yanno?
XDA Developers on MSN
Gaming PC running hot? A custom fan curve just unlocked performance you already paid for
Most BIOS settings you don't need to change. This isn't one of those.
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