Author Topic: Can you fry a MB by... ? (Read 393 times)

daddog · « **on:** September 30, 2003, 09:14:04 AM »

Putting in the USB connection the wrong way? Specifically I plugged in two extra USB ports to my USB MB pins and when I turned it on I watched a sparks and flame come from the MB very close to that location. I was told by the local computer store folks where I tried to return the power supply it was because I placed it on the MB backwards.

This possible?

mrblack · « **Reply #1 on:** September 30, 2003, 01:19:18 PM »

yeppers:(

Chairboy · « **Reply #2 on:** September 30, 2003, 01:37:38 PM »

Any equation that includes the variables Motherboard, Sparks, and Flames will almost always have a result that includes $$ signs.

capt. apathy · « **Reply #3 on:** September 30, 2003, 04:42:17 PM »

Quote

Specifically I plugged in two extra USB ports to my USB MB pins and when I turned it on I watched a sparks and flame come from the MB very close to that location.

when you open up the box and do anything, and then see sparks and/or flames when you turn on the power, the odds are very,very,very high that YES, it is something you did.

daddog · « **Reply #4 on:** October 01, 2003, 09:38:52 AM »

I ask this because if it is the power supply then the next board I hook it up to will fry. If it is my mistake then I have a good power supply.

So a USB connector on the MB, if placed backwards will cause flames, sparks and fry it. Soooo I should be able to use the power supply again you think?

maddog · « **Reply #5 on:** October 01, 2003, 10:24:10 AM »

One of the slots on the connector should be plugged so you can't put it on wrong, if I remember correctly. I have an Antec PS checker which basically jumpers the 2 pins which start the PS. Give me a moment and I will find out which two pins to jumper and then you can test the voltages with meter.....

fyi; I still have 500Mhz sys and a 933 P3 MB available for your sec sys if you want..... both with w2k...

daddog · « **Reply #6 on:** October 01, 2003, 02:25:44 PM »

It can/could have gone either way on the MB I burned.

Thanks Maddog, I really appreciate that... I should be good to go. Both Jed and I will be up and running in a week or so.

blackfalcon4 · « **Reply #7 on:** October 01, 2003, 04:31:45 PM »

On the ATX power conx for the mobo, use a small jumper between the green and black wire next to it.

This will start the power supply w/out being plugged into the mobo, so you can check out the power supply voltages.

FUNKED1 · « **Reply #8 on:** October 02, 2003, 02:02:07 AM »

I've connected the USB connectors backwards before, and it didn't fry anything. It caused some really strange errors, but nothing failed, and when I reconnected properly everything was fine.