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Tom's Hardware > Forum > Motherboards & Memory > Elitegroup > If i plug floppy power cable to cpu fan pins

If i plug floppy power cable to cpu fan pins

Forum Motherboards & Memory : Elitegroup If i plug floppy power cable to cpu fan pins

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rajaybt   01-17-2012 at 08:22:57 PM

by mistake i connected floppy drive power connector to the mobo where written cpu_fan2. my mobo isn't detecting hdd. help

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bucknutty   01-17-2012 at 09:06:26 PM

That sounds pretty bad....

The floppy drive connector is pushing 5volts on 1 wire and 12 volts on the other... The fan connector is also pushing 5 volts though a PWM circut. What happens when you attach 2 different voltage circuts to each to each other in an unknown way?

I am supprised the whole board do not smoke.

At this point if the HD is not detected i guess you can try pluggin it into another sata channel or try another HD.


Message edited by bucknutty on 01-17-2012 at 09:07:06 PM
------------------------------ Q9650@3.8Ghz - 8GB DDR2 800@940mhz CL5, 2x GTX470 SLI, 2x WD Black 750GB raid 0, Asus P5N-D 750i, Seasonic Gold 750
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PreferLinux   01-17-2012 at 10:27:47 PM

The HDD is probably fine. But the motherboard is quite possibly fried – but not necessarily. Make sure the floppy connector has been removed. Try a different SATA connector as suggested, especially if you can try a different controller or SATA2 vs. SATA3. If it won't work on any of them, I'd suspect the motherboard is gone. Can you get into the BIOS?

------------------------------ i5 2500K, GA-P67A-UD3R, 12 GB RAM, 1 TB Spinpoint F3 & 250 GB WD HDDs, DVD writer, Dell U2311H 23", Philips 170B6 17" & Philips 150B4 15" monitors, Dvorak keyboard, openSUSE 11.4 with Windows Vista Ultimate in a VB VM.

Rom. 3:23; 6:23; 5:8; 10:9-10,13
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