From: | Alan Buxey |
Date: | 14 Sep 2001 at 09:50:18 |
Subject: | Re: [amigactive] Clearout has revealed some novel (museum) computeritems |
hi,
> Just put an exhaust fan in my tower, connected the
> red and black cables to pos' and neg', but what the
> hell does the yellow cable connect to ?
a timing chip. each time the fan rotates a pulse is sent down the yellow
cable..in this ways certain computers can measure the fan speed...usually
built into PC BIOS chips. just snip the cable right back if you dont need
it.
alan
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