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 AMD/ATI Radeon™ HD 4000 Series Discussion v6, The time moves on..Prepare HD5000 Series

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antonio
post Sep 10 2009, 08:29 AM

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My Sapphire 4870 1/2GB DDR5 produces vertical lines and funny artifacts...All this happens while playing SF4 just this morning...

I decided to take out the card and reinsert it...no avail...it still has the lines during POST and distorts the Win logo when loading to windows...

So I pull it out and i felt like it was a memory issue...so I decided to disassemble the heatsink to have a peek of the GDDR5, to see from which company it came from...

BUT, I was shock when everything is revealed!!!!

Grey colored thermal paste???!!! THAT Muchhh???!!!!

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Who were they hiring at the Sapphire factory in China???? Chun Li????
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Or did Chun Li had PMS that day at work???
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Before I jump to any conclusion, I would like to ask Sapphire 4800 series owner particularly the 4870 models, who had ever open up their heatsink,

Does your Thermal Grease grey in color???? whistling.gif
antonio
post Sep 10 2009, 03:05 PM

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QUOTE(JoBigShow @ Sep 10 2009, 09:07 AM)
Wow thats a lot of paste smeared messily!
Probably "Chun Li" applied a big blob of paste in the factory and resulted the paste to get smeared around, then assisted by escaping trap air bubbles/pockets and uneven thickness of paste application.
All u need is a rice grain worth of good thermal paste, spread thinly and evenly.

Yes its gray, because it's consisted of clay-based(silicon) compound for non-conducting/insulating purpose. There are white paste...silicon and metallic(blue-ish) based paste which has excellent thermal-conductivity to transfer heat away from the proc to the heatsink, etc.

Xigmatek PTI-G3801 Silicon Thermal Grease is GRAY
Cooler Master Thermal Fusion 400 - RoHS RG-TF4-TGU1-GP is GRAY
Cooler Master Ice Fusion is WHITE
etc...
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Whar I really mean is, does Sapphire 4-series card particularly 4870 comes with a grey thermal paste from the factory, stock OEM spec???

QUOTE(8tvt @ Sep 10 2009, 09:22 AM)
@antonio
not RMA?
push the ram too much?
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Nope...no OC whatsoever....maybe the Qimonda is from a bad batch or the card itself is poor... sad.gif
antonio
post Sep 11 2009, 09:08 PM

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QUOTE(rockets @ Sep 10 2009, 03:36 PM)
my asus 4850 stock heatsink also uses grey/silvery thermal paste, almost exactly like in your picture, one blob in the middle and not evenly spread. they simply hentam one i tell you.
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Owh really shakehead.gif

Mine was looking like the person who was dripping the paste had an argument either with his boss or spouse.... laugh.gif Maybe before that he also apply that much for the card before mine, then supervisor came and shout " Oit! ingat thermal paste nie bapak ko beli ker?"

QUOTE(campsol2k @ Sep 11 2009, 05:18 PM)
Dude.. try to bake the card in the oven @180C for 5~7 minutes if u want to revive it back... it worked for my NV7900GTO... the card started to create artifacts and BSODed when entering windows.. after baking it.. bang!... now it works flawlessly... stressed the card with furmark, ATItool, 3dmark... didnt encounter any problem so far...
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Already sent RMA...forget to use the 'baking' technique....BTW no oven at my house... blush.gif
antonio
post Sep 15 2009, 12:01 AM

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Catalyst 9.9 really slow to download sad.gif
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