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Help with weird 6850 heatsink removal/thermal tape application.

post #1 of 3
Thread Starter 
Greetings OCN!

I've come here to ask your opinion on a weird card I acquired from here: geeks.com/details.asp?invtid=ATI-HD6870-1GB-PB

This card was supposed to be a 6870, but on running GPU-Z, I got this:

The GPU-Z shows that it's actually a 6850. I think it's been flashed with a 6870 bios.

The card itself runs fine. It gets around 68 degrees centigrade under full load at 38% fan usage with ambient temperatures of 22 degrees.

In an attempt to further decrease temperatures, I decided to open up the card, clean the lame thermal paste that comes along with these cards and replace it with Arctic Silver MX-2. On unscrewing the screws holding the heatsink to the board, I found that the heatsink won't detach easily, since it seems to be held down quite strongly by the thermal tape on the memory thingies (forgot what they're called lol, forgive me if I'm wrong). What I wanted to ask was, if I somehow get the heatsink off (after putting it in the freezer [like I've read someplace] and then twisting it off), would it be possible to reuse the same thermal tape again, or would it be necessary to replace the thermal tape?

Here are a few pictures of the card:





Sorry if I posted excessive/insufficient detail. To reiterate, need I replace the thermal tape between the heatsink and the memory, after having changed the thermal paste, or can I use the same thermal tape that the card came attached with?
Edited by B0nes - 11/8/12 at 7:25am
post #2 of 3
If it remains intact, then yes you can reuse it.
 
BitoHeaven
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BitoHeaven
(16 items)
 
Cigar ATX PC
(14 items)
 
CPUMotherboardGraphicsGraphics
Intel i7 4770k @ 4.5GHz Asus Maximus VI Gene Gigabyte R9 290 @ 1160MHz/1350MHz Gigabyte R9 290 @ 1160MHz/1350MHz 
RAMHard DriveHard DriveOptical Drive
G.Skill Trident X 2X8GB DDR3 2400MHz Samsung 840 PRO 256GB  Seagate Barracuda 7200.14 3TB SATA III 6Gb/s 64... Pioneer Blu-ray Burner 
CoolingOSMonitorKeyboard
Liquid Single Loop Triple Radiators Win 7 SP1 Professional x64bit  Samsung SynchMaster 24" Widescreen 1200p TFT-LC... Logitech G15 
PowerCaseMouseMouse Pad
EVGA SuperNOVA G2 1300w 80+ Gold Fully Modular  Fractal Design Arc Midi R2 Microsoft Sidewinder X5 Allsop Redmond Mouse Pad 
Audio
Cambridge Soundworks 5.1 
CPUMotherboardGraphicsRAM
Intel Core i5-3570K @ 4.6GHz ASRock Z77E-ITX mITX  Sapphire HD 7990 @ 1090MHz/1600MHz G.SKILL Ripjaws 2X4GB DDR3-1600 @ 1866MHz 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD 128GB mSATA SATA III 6GB  Seagate Barracuda 7200.12 1TB SATA II 32MB 7200RPM LG DVD R/W SATA with LightScribe Corsair Cooling Hydro Series H100 
OSMonitorKeyboardPower
Win 7 Professional x64bit Samsung 52" 1080p 60Hz LCD Logitech Wireless K330 Corsair AX850 Gold Fully Modular 
CaseMouseMouse PadAudio
BitFenix Prodigy Mini-ATX Black  Logitech Wireless M215 Corsair Vengeance MM200 Yamaha RX-V681 & PSB/Polk Audio 5.1 
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 ASRock N68C-GS NVIDIA 6600GT G. Skill Ripjaws DDR3 1600MHz 
Hard DriveOptical DriveCoolingOS
WD Caviar Blue 500GB 16MB Cache 7200RPM LG Optical Drive Thermaltake Max Orb Windows 7 
MonitorKeyboardPowerCase
Viewsonic 19” Flatscreen CRT Gigabyte GK-K6800 103  Thermaltake TR2 600W Cigar Boxes 
MouseMouse Pad
Zalman ZM-M300 Corsair Vengeance MM200 
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post #3 of 3
Thread Starter 
Thanks for your response Gunderman456, but since nobody replied earlier, I decided to take the plunge and have already reapplied the thermal paste smile.gif The heatsink came off pretty easily, and the tape remained intact. I shaved 4 degrees off the idle temperature (now 37 degrees celcius) and 7 degrees off the load temperature (now 61 degrees) biggrin.gif

All in all, 5 minutes spent well smile.gif
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