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A stupid ESD question but please help me here.

post #1 of 11
Thread Starter 
As the title says please bare with me here.

I am buying an asus sabertooth 990fx r2 Motherboard to replace my old one.

Now here is the question.

I am going to touch the PSU to discharge my ESD. But if the power cables that are plugged into the graphics card and motherboard. Does The static go through the cables which could fry my card and mobo or does it go to the power cable through the plug socket which is grounded. ??
post #2 of 11
No. The outside of the PSU is grounded. As long as you have a lead connected to the PSU (with the power off obviously), that provides a path to earth, and any static charge in you will discharge to earth. even just touching the PC case if the PSU is fitted should provide you with enough protection. I tend to just hold the case, or lean a bare arm against it when fitting sensitive parts. Or lately, I use a ESD strap. They're cheap enough now.

http://www.ebay.co.uk/itm/Brand-New-Anti-Static-Grounding-Wirst-Strap-Wirstband-Band-ESD-/181168847450?pt=UK_Computing_Other_Computing_Networking&hash=item2a2e813a5a
post #3 of 11
Thread Starter 
I have got an anti static wristband already. Dont kno where to connect it since my PC case is 100% painted. But there is a radiator next to where I replacing my mobo and i'm on a tiled floor with a big wooden table.
post #4 of 11
how about the fan grill on the PSU - could you clip on there?
post #5 of 11
Thread Starter 
I could but the fan is facing down. But I can do That will it be alright tho.
post #6 of 11
well, the fans not going to be running, and as long as it's a metal grille, it should be grounded on the case of the PSU by its screws. smile.gif
post #7 of 11
anyway, static charge takes time to build up too - I think you need to be in excess of 5KV charge before it knackers the protection diodes on the chip's data lines. So as long as you don't have nylon knickers on, and sit in yer seat rubbing back and forward, I think you'll be fine. biggrin.gif
post #8 of 11
Hi Welsh Dave,

IF there is a wall socket or light switch near where you are working you can ground on the center screw that holds the cover on. Also the ideal is a true earth ground, but those might be tough to come by.
If there is a water pipe near you, you can always connect a temporary lead to it. That would offer an excellent earth ground even in a large building.

After working as a electronic tech for five years, I can say that static, even smaller discharges can produce ridiculously high voltages. You are correct and prudent to make sure those discharges go to ground and not your cpu. The case on your P/S will work IF the unit is plugged into a grounded outlet and, as previously said the unit is off.

Have a great day!
    
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post #9 of 11
Quote:
Originally Posted by latelesley View Post

...So as long as you don't have nylon knickers on, and sit in yer seat rubbing back and forward, I think you'll be fine. biggrin.gif

lachen.gif Thanks for making my morning!
     
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post #10 of 11
Thread Starter 
He He smile.gif


Thanks for the advice peeps.
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