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[Official] 7870 Tahiti LE (XT) Owners Club - Page 519

post #5181 of 5244
Hello gentlemen bought Club3D Radeon HD 7870 XT JokerCard which are currently stable cool BIOSes for the graphics card because it is 500 pages to browse ... pls give some leads bios

may approached cooling from 7970 Club3D thumb.gif
post #5182 of 5244
NECRO!

Out of the blue, my 290 started displaying vertical line garbage all over my display. Out of the closet comes my XT to hold me over during an RMA.

Hook up the sucker, power on, and one of the fans stopped spinning.

Take it apart, clean fans and heatsink, reapply some phanteks paste, and no change. All connections are solid.

Ramping up fan speed in Radeon Settings to 83% kicks it back on, but the thing sounds like an arc welder.

Advice?
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post #5183 of 5244
Quote:
Originally Posted by SigTauMatt View Post

NECRO!

Out of the blue, my 290 started displaying vertical line garbage all over my display. Out of the closet comes my XT to hold me over during an RMA.

Hook up the sucker, power on, and one of the fans stopped spinning.

Take it apart, clean fans and heatsink, reapply some phanteks paste, and no change. All connections are solid.

Ramping up fan speed in Radeon Settings to 83% kicks it back on, but the thing sounds like an arc welder.

Advice?


probably need to lube it..

you can try this tutorial.


i used beard trimmer oil on mine, worked perfectly.


https://www.youtube.com/watch?v=iq5hhc-zN3k
 
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post #5184 of 5244
Hey Folks,

I own a Sapphire 7870 XT Dual-X (Tahiti LE), 975 Mhz boost, at 1.25 V bios.
I have tried to lower the Vcore using trixx 4.8.2 (which works fine on 7870 Ghz, 7950, 7970, 280 and 280x, or MSI AB (which works fine on 290).
I also flashed a bios with lower voltage settings but the card will get stuck at 500 Mhz 0.95 V.

Is there a work around to lower its voltage to make it cooler (new thermal paste on) and consume less power?

Any help is appreciated smile.gif


I found it redface.gif In MSI AB, if you flag the "Force constant voltage" option, it works !
Great !!!
Edited by bolc - 7/4/16 at 2:21pm
post #5185 of 5244
I just noticed that I cannot change frequencies and vcore on AB anymore with the latest crimson drivers. I'm gonna clean install AB.

Edit: It's like latest crimson doesn't let AB affect the clocks or anything despite I clean reinstalled both of them. Maybe I should roll back to a previous driver?

Edit 2: After several installations I can set the freq. in AB again but voltage is locked no matter what my settings are. Only works if I set it to constant.
Edited by bebius - 7/12/16 at 5:31pm
post #5186 of 5244
Quote:
Originally Posted by bebius View Post

I just noticed that I cannot change frequencies and vcore on AB anymore with the latest crimson drivers. I'm gonna clean install AB.

Edit: It's like latest crimson doesn't let AB affect the clocks or anything despite I clean reinstalled both of them. Maybe I should roll back to a previous driver?

Edit 2: After several installations I can set the freq. in AB again but voltage is locked no matter what my settings are. Only works if I set it to constant.

My 7870 XT is currently in a backup rig with older drivers. Might be able to test this out later.
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CoolingCoolingCoolingOS
EK XE 480 + EK CoolStream PE 480 10x Phanteks + 2x Cougar Vortex MCP50X + MCP50X Windows 10 Pro 
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ViewSonic VX2250 22" LED Generic HP Corsair AX860i Lian-Li DK-Q2X 
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Logitech G700 XTRAC Ripper TC Electronic Impact Twin Corsair Commander Mini 
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Schiit Vali Kanto Yumi (Bamboo) 
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post #5187 of 5244
That would be very nice again mr. tahiti le specialist.
post #5188 of 5244
After trying everything I'm starting to believe that one of the crimson driver updates made an appropriate change to my system so I cannot alter the voltage of my gpu although I had been able to. Maybe a format is what I need.
post #5189 of 5244
Quote:
Originally Posted by bebius View Post

After trying everything I'm starting to believe that one of the crimson driver updates made an appropriate change to my system so I cannot alter the voltage of my gpu although I had been able to. Maybe a format is what I need.

Now I'm scared to try a Crimson driver on the backup rig. thinking.gif
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DeskoSaurus X
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4790K 4.7 GHz Z97 MPOWER MAX AC 290X Lightning G. Skill TridentX 2x8GB 10-12-12 
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CoolingCoolingCoolingOS
EK XE 480 + EK CoolStream PE 480 10x Phanteks + 2x Cougar Vortex MCP50X + MCP50X Windows 10 Pro 
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ViewSonic VX2250 22" LED Generic HP Corsair AX860i Lian-Li DK-Q2X 
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Logitech G700 XTRAC Ripper TC Electronic Impact Twin Corsair Commander Mini 
OtherOther
Schiit Vali Kanto Yumi (Bamboo) 
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FX-8350 4.95GHz 24/7 GA-990FXA-UD3 Sapphire 7870 XT  Mushkin Redline 997051 @1866 8-8-8-24 1T 
RAMHard DriveHard DriveCooling
Crucial Ballistix Tactical Tracer @1866 8-8-8-2... Black WD6401AALS 2x WD10EZEX Raid-0 EK Supremacy 
CoolingCoolingCoolingCooling
10x Cougar Vortex PWM 3x Helix EK VGA Supremacy Acetal Alphacool NexXxos ST30 240mm, 2x XT45 240mm XSPC X2O 750 
CoolingOSMonitorKeyboard
Jingway DP-600 pump Windows 8.1 Pro x64 ViewSonic VX2250 22" LED Generic HP 
PowerCaseMouseAudio
Rosewill HIVE-650 CM 690 II Advanced B&W  Logitech G700 Xonar DG 
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Tc Electronic Impact Twin Fan Controller: Aerocool X-Vision 2x Swiftech PWM Splitter 
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post #5190 of 5244
Does it look ok to modify the bios like below to lower the voltage?



EDIT: I finally made it and modified the bios but had to remove every oc profile in AB and amd drivers in order the card to work properly. But now I 'm happy running cool again @ 1100Mhz and 1180mV.
Edited by bebius - 7/15/16 at 4:52am
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