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Will wooden case interfear?

spwath
By spwath
in Cases and Mods
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Will a wood case have any grounding issues or sheilding issues?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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No.

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Would i have to do this? Like, how is my case sheilded, there are big holes for fans, and a big plastic window.

 

No.

You sure?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Would i have to do this? Like, how is my case sheilded, there are big holes for fans, and a big plastic window.

 

You sure?

Somewhat. Like 87% sure.

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No, why do you think the PSU has a 3rd pin in the power cord? ;)

tru dat 

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@spwath

If you want the layout:

51141f68ce395f7d7e00000c.jpg

L=Line (where single phase AC comes in)

N=Neutral (AC returns)

E= Earth (ground)

No I got it, it's just not that the motherboard needs to be touching a metal grounded case?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Nope... the MB grounds with the PSU...

OK good

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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why do you want a wood case anyway?

My build log, Mirrored Wood

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Just as an FYI.... The black wires in a PSU are not ground, they are return (0vdc).

 

Over current follows the path of least resistance, so if you fail to use a motherboard in a metal chassis like you are supposed to and you shock the I/O plate... it may travel all of the way across the motherboard over to the 24 pin plug. So the chances of it passing thru the CPU or RAM and frying it is a lot more likely than if you had a grounded motherboard. If the motherboard grounds didn't matter, I highly doubt they would spend the time and money to have solder blobs around the holes for better conductivity. Ever notice how all the screws that come with PSUs have a sharp face where the screw face mates to the case and it messes up the paint? That is for conductivity to the motherboard.

 

I personally would be sure to run a ground lead to every single motherboard screw hole, and tap them all together and run that lead to a screw on the PSU. If it is a cheap spare parts PC, I guess it doesn't really matter, but potentially ruining a $2,000 PC just because you didn't run a few wires would really suck.

 

All this being said, its still highly unlikely anything bad would happen if you didn't... I just think it is better to be safe than sorry.

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Just as an FYI.... The black wires in a PSU are not ground, they are return (0vdc).

Over current follows the path of least resistance, so if you fail to use a motherboard in a metal chassis like you are supposed to and you shock the I/O plate... it may travel all of the way across the motherboard over to the 24 pin plug. So the chances of it passing thru the CPU or RAM and frying it is a lot more likely than if you had a grounded motherboard. If the motherboard grounds didn't matter, I highly doubt they would spend the time and money to have solder blobs around the holes for better conductivity. Ever notice how all the screws that come with PSUs have a sharp face where the screw face mates to the case and it messes up the paint? That is for conductivity to the motherboard.

I personally would be sure to run a ground lead to every single motherboard screw hole, and tap them all together and run that lead to a screw on the PSU. If it is a cheap spare parts PC, I guess it doesn't really matter, but potentially ruining a $2,000 PC just because you didn't run a few wires would really suck.

All this being said, its still highly unlikely anything bad would happen if you didn't... I just think it is better to be safe than sorry.

So if I buy a metal mb tray, and attach that to a PSU screw, IDD be good?

But what about the motherboard trays made of acrylic? How are they safe?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Case grounding was used back in the days bc of lack of ground lanes... You don't need to do that now... just if you want to use an old AT PSU take a cable from the PSU case to the I/O shield...

OK, you sure?

What is an AT PSU?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Yeah, they're acrylic standoffs, now you can safely turn on a pc in a piece of cardboard... did you heard any case of HDD giving electrostatic-shock these days :)?

Standarized form factor in 1984-1997 (year when ATX became more popular)

OK. Good.

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Case grounding was used back in the days bc of lack of ground lanes... You don't need to do that now... just if you want to use an old AT PSU take a cable from the PSU case to the I/O shield...

 

They added 4 returns... The shock still travels thru the mobo when you don't have case grounding, no matter how many extra returns there are.

 

So if I buy a metal mb tray, and attach that to a PSU screw, IDD be good?

But what about the motherboard trays made of acrylic? How are they safe?

 

I'd go with the metal tray, clean and easy.

 

As for the acrylic, its not safe IMO. I did some looking on google about the acrylic cases, and general consensus is there is no need to do motherboard grounds, so I guess don't worry about it... But I used to do work for Verizon and had to know a 500 page spec book of tiny font that was solely for grounding in a DC environment, and everything I know from that says you need the motherboard grounded.

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They added 4 returns... The shock still travels thru the mobo when you don't have case grounding, no matter how many extra returns there are.

I'd go with the metal tray, clean and easy.

As for the acrylic, its not safe IMO. I did some looking on google about the acrylic cases, and general consensus is there is no need to do motherboard grounds, so I guess don't worry about it... But I used to do work for Verizon and had to know a 500 page spec book of tiny font that was solely for grounding in a DC environment, and everything I know from that says you need the motherboard grounded.

OK. I'll see. I could not find any metal mb trays under $50 with CPU cut out. Do you know of any?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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wood doesn't conduct electricity unless it's wet so I don't see why you're worrying about interference 

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wood doesn't conduct electricity unless it's wet so I don't see why you're worrying about interference

No like no electro magnetic shrouding.

And also, no grounding the mb other than psu

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Ground buses?

Also how you explain grounding on laptops :P?

 

The massive amount of copper sheeting and conductive tape that connects to the motherboard is how they ground in a laptop. They hope for it to be enough dissipate the excess current and draw it away from sensitive components, but I've had a few HPs that the motherboards went out from static shock.

 

 

OK. I'll see. I could not find any metal mb trays under $50 with CPU cut out. Do you know of any?

 

 

What form factor, and if you have a dremel the cutout would only take a few minutes.

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The massive amount of copper sheeting and conductive tape that connects to the motherboard is how they ground in a laptop. They hope for it to be enough dissipate the excess current and draw it away from sensitive components, but I've had a few HPs that the motherboards went out from static shock.

What form factor, and if you have a dremel the cutout would only take a few minutes.

Atx

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Would i have to do this? Like, how is my case sheilded, there are big holes for fans, and a big plastic window.

 

You sure?

 

 

Nope I am on a wooden PC right now and I have to say one of the best choices that I have ever done.

 

 

Build Link: http://linustechtips.com/main/topic/110310-update-wooden-pc-with-pics/

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Nope I am on a wooden PC right now and I have to say one of the best choices that I have ever done.

Build Link: http://linustechtips.com/main/topic/110310-update-wooden-pc-with-pics/

Ooh thanks.

And pretty.

Did you make the mb tray?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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Nope that came out of an old Antec like 300? Maybe can't remember but I just cut it.  Also coming out with version 2.0 soon so stay tuned.  It will be a separate Build Log. 

OK thanks! I mihgt buy a MB tray, try to gdt it from my phantom 410, or build one.

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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