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Author Topic: [WTS] 2x 5970's Artifacting? L@@K  (Read 1544 times)
squall1066
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October 14, 2012, 11:54:12 AM
 #1

For those that have been following my strafe with these cards, I have seen them both artifacting, They still mine, and are fine in windows environment, But I no longer can be bothered. So I am asking just 40BTC for BOTH cards Shipped ANYWHERE in the E.U.]

Looking for Quick sale, Or I put on fleabay in a day or two. Thanks for looking.




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squall1066
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October 14, 2012, 07:43:46 PM
 #2

Just realized "good" ones are going for 24-28BTC each, So I won't get 40 for 2 artifacting ones, So open for offers on these cards.

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October 14, 2012, 09:43:03 PM
 #3

15 for one?

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October 15, 2012, 06:07:59 AM
 #4

Why not bake em and fix em yourself.  I have saved many GPUs that way.  Got this from the guys over at overclockers.


GUIDE
1: remove heatsink and thermal paste
2: preheat oven to 385F to 400F( NO HIGHER!) ( gas mark 6)
3: lay foil over the oven rack
4: make 4 balls of foil, about 4cm high,
5L when the oven is heated to its corrent temperature, put the graphics card on the 4 balls, one on each corner )
6: leave for around 6-10 mins, NO MORE THAN 12 OR IT WILL MELT
7: ENJOY!!!

PS
squall1066
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October 15, 2012, 08:08:43 AM
 #5

Why not bake em and fix em yourself.  I have saved many GPUs that way.  Got this from the guys over at overclockers.


GUIDE
1: remove heatsink and thermal paste
2: preheat oven to 385F to 400F( NO HIGHER!) ( gas mark 6)
3: lay foil over the oven rack
4: make 4 balls of foil, about 4cm high,
5L when the oven is heated to its corrent temperature, put the graphics card on the 4 balls, one on each corner )
6: leave for around 6-10 mins, NO MORE THAN 12 OR IT WILL MELT
7: ENJOY!!!

PS

really? If true this rocks! What exactly does this do to the GPU to make it work again?

EDIT - Looks interesting, Done some research,  I will try with one card today, If I brick it I will still have another to sell to 420 for 15.
I will let you know before the day is out.

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October 15, 2012, 02:26:20 PM
 #6

OMFG It worked!!  Stable as a stable thing doing its job of being stable!

Ran 3d marks, Furmark and passmark, Let it get up to temp first, and all is good, Any idea how long it lasts?

Don't know if I will sell them, I am about to do the other one, See if I get 2 for 2!

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October 15, 2012, 03:59:40 PM
 #7

are you being serious?
AndrewK
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October 15, 2012, 06:06:04 PM
 #8

You should never bake cards in the oven... That often times is a very temparary fix...

You run the risc of damaging other components and often time only fix it by warping the board which never lasts.

Find someone with a heatgun/reflow station who has reflowed cards several times or better yet... someone with an IR station.

Good luck... hope it lasts a while.

Not trying to hate, but I wouldn't buy a card I knew was baked.

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October 15, 2012, 07:38:49 PM
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Anything with a circuit board, with surface mount components on it will have been baked.  Google "reflow oven".   Really you're saying that you wouldn't buy anything that had been repaired. 

I've fixed a couple of cell phones using my oven, one has lasted well over a year with daily use, the other has been going for 6 months. 

You should never bake cards in the oven... That often times is a very temparary fix...

You run the risc of damaging other components and often time only fix it by warping the board which never lasts.

Find someone with a heatgun/reflow station who has reflowed cards several times or better yet... someone with an IR station.

Good luck... hope it lasts a while.

Not trying to hate, but I wouldn't buy a card I knew was baked.
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October 15, 2012, 11:43:56 PM
 #10

OMFG It worked!!  Stable as a stable thing doing its job of being stable!

Ran 3d marks, Furmark and passmark, Let it get up to temp first, and all is good, Any idea how long it lasts?

Don't know if I will sell them, I am about to do the other one, See if I get 2 for 2!

Great, glad it worked for you.

PS

powersync
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October 15, 2012, 11:47:58 PM
 #11

You should never bake cards in the oven... That often times is a very temparary fix...

You run the risc of damaging other components and often time only fix it by warping the board which never lasts.

Find someone with a heatgun/reflow station who has reflowed cards several times or better yet... someone with an IR station.

Good luck... hope it lasts a while.

Not trying to hate, but I wouldn't buy a card I knew was baked.

I agree you should never sell a baked card with out telling the person.  But a working baked card is better then a artifacting or dead card.

ps
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October 16, 2012, 01:37:04 AM
 #12

I guess if it works it works... Reflow ovens are very precise instruments however and I just don't think you can get the right amount of control over the heat in your whirlpool stove. When the cards are originally "baked" at the factory not all of the components are present... Only certain components are soldered in a reflow oven...

Anyway. Glad it worked for you. Just tell people you reflowed them in the oven before you sell them Smiley.

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October 16, 2012, 01:49:25 AM
 #13

I've baked many xboxes and a couple phones over the years, as well as hundreds of my own boards but I have a semi-professional reflow oven. Technically a modified toaster oven with temperature sensor, heat shielding, and a custom controller. I believe they sell pretty good ones these days that could probably follow a reflow profile as well as mine, but I think the cheaper ones only ON/OFF the oven instead of PWM.

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melmo
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October 16, 2012, 01:59:31 AM
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Actually, most of the components are on the board when they get reflowed.  Have a look at your electronics, all the smt components will be on there when it goes through the oven.

The reflow ovens on the assembly lines can have pretty precise control over the heat profile, but I've used some ovens for re-work that looked suspiciously like the toaster oven I would heat up my lunch in - except they cost way more Smiley

Years ago I was an electronics manufacturing engineer, things may have changed.

I guess if it works it works... Reflow ovens are very precise instruments however and I just don't think you can get the right amount of control over the heat in your whirlpool stove. When the cards are originally "baked" at the factory not all of the components are present... Only certain components are soldered in a reflow oven...

Anyway. Glad it worked for you. Just tell people you reflowed them in the oven before you sell them Smiley.
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October 16, 2012, 02:05:16 AM
 #15

Can't remember if the GPUs have any, been a while since I've had the heatsink off one, but I would remove any electrolytic capacitors by hand prior to reflowing them if you can.

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October 16, 2012, 02:45:23 AM
 #16

They do have electrolytic caps... Wink

Really not trying to hate on this though.... I just think there are better ways of doing it, so why bake them? ***rant off *** Smiley

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October 16, 2012, 04:31:06 AM
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Can't remember if the GPUs have any, been a while since I've had the heatsink off one, but I would remove any electrolytic capacitors by hand prior to reflowing them if you can.

You have to gauge your soldering skills here.  There are a lot of caps on a video card, so what are the odds you'll mess up something else doing all that desoldering/soldering, and there have been studies that have shown that reflowing electrolytic caps have no influence on their long-term degradation. 

Using a heat gun is a good option too, as long as you know what you are doing, but once again there's risk here - you hear stories about how folks overheated a chip and it falls off the circuit board... Sad

When selling you need to be honest about the products condition, but I think home oven reflowing is a good option, especially with all the reliability issues lead-free solder has brought (okay, it's better for the environment), and if it can keep your video card out of the landfill.
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October 17, 2012, 12:21:08 PM
 #18

Still going strong?

OMFG It worked!!  Stable as a stable thing doing its job of being stable!

Ran 3d marks, Furmark and passmark, Let it get up to temp first, and all is good, Any idea how long it lasts?

Don't know if I will sell them, I am about to do the other one, See if I get 2 for 2!

PS
squall1066
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October 17, 2012, 01:27:53 PM
 #19

Still going strong?

OMFG It worked!!  Stable as a stable thing doing its job of being stable!

Ran 3d marks, Furmark and passmark, Let it get up to temp first, and all is good, Any idea how long it lasts?

Don't know if I will sell them, I am about to do the other one, See if I get 2 for 2!

PS

Yup,  Grin   Prob should close this thread now as its off topic, But all is good!
Locking.......

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