Reply 20 of 23, by ratfink
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- Oldbie
My AT-tyle PSU has a little lead coming off one of the molex connectors, a black and red lead with a little 2-pin socket like you might attach to a motherboard header.
Reading this post I guess it was for a fan, which presumably dates the PSU to the early-pentium era [and maybe explains the lack of a turbo button on my case].