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How can I tell Crossfire is running?

post #1 of 11
Thread Starter 
Just installed another Sapphire-Vapor X 4890. Removed drivers prior to install. Plugged in card and adapter CFX bridge. Then booted up and installed 10.12 drivers.


Went into CCC and "enabled" crossfire.

When in Game, it seems my 1st card is getting the most hot 77c while the other hovers around 64....

I was just wondering if both cards are still running, and if it's normal for both cards to run the same temp or unevenly etc...>?

Thank you for any help.
post #2 of 11
Thread Starter 
UGH, I keep enabling it via Catalyst control center and I hit apply then OK, but GPU-Z says it's disabled, HELP!!!!!!!!!!!!!!!!!!!!!!

I only put the 1 crossfire bridge on the second "finger" on both cards, do I need both on their, or??
post #3 of 11
a program like precision or afterburner will tell you the gpu usage of each card
post #4 of 11
i have always had to use both bridges
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post #5 of 11
Open CCC and go to the last tab and if the box next to Enable Crossfire is checked, its working.

If its not working, try different combinations with the bridges, or even different ones all together, glgl!
post #6 of 11
if you have the crossfire TAB in CCC and have it checked off then it's enabled. GPU-Z is drunk and doesn't know what it's talking about
    
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post #7 of 11
Quote:
Originally Posted by XxAlbertoxX View Post
Just installed another Sapphire-Vapor X 4890. Removed drivers prior to install. Plugged in card and adapter CFX bridge. Then booted up and installed 10.12 drivers.


Went into CCC and "enabled" crossfire.

When in Game, it seems my 1st card is getting the most hot 77c while the other hovers around 64....

I was just wondering if both cards are still running, and if it's normal for both cards to run the same temp or unevenly etc...>?

Thank you for any help.
It's normal for one card to run hotter, the top card.
Run Vantage and compare scores.

Quote:
Originally Posted by XxAlbertoxX View Post
UGH, I keep enabling it via Catalyst control center and I hit apply then OK, but GPU-Z says it's disabled, HELP!!!!!!!!!!!!!!!!!!!!!!

I only put the 1 crossfire bridge on the second "finger" on both cards, do I need both on their, or??
I noticed today that the newest gpu-z will display cf as disabled on the secondary card, but it's not.
Have you checked both cards with gpu-z?

Only one bridge is needed.
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post #8 of 11
I have MSI Afterburner running on the side with the extended monitor. It'll show you all the gpu usage when playing games if crossfire is enabled.
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RAMHard DriveHard DriveHard Drive
12GB G.Skill Ripjaw 1600 SSD: Intel X-25M 160GB G2 (OS) HDD:4x2TB Hitachi Deskstar HDD:2x1TB Samsung F1 
Optical DriveCoolingCoolingCooling
LG Thingy Reservoir: FrozenQ 400ml T-Virus Pump: Swiftech MCP655 w/BP mod top Radiator: Phobya G-Changer 480 version 1.2 black 
CoolingCoolingCoolingCooling
CPU: AC Cuplex Kryos HF Radiator: XSPC GTX 480 GPU:2xSwiftech Epsilon 6990 8x Scythe Gentle Typhoon AP-15 
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PowerCaseMouseMouse Pad
Enermax Galaxy Evolution 1250W Banchetto 101 Roccat Kone [+] Roccat Alumic 
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Soundcard: Asus Xonar Essence ST Headphone: Audio Technica ATH-A900 
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post #9 of 11
Thread Starter 
AHA! I rebooted my computer! And after, it shows IT ENABLED and GPU-Z recognizes it TOO!!!

I will run PCVantage and such tonight regardless, but it looks fixed now, all I need was reboot after enabling it so settings could be applied.

Thanks for all replies, I will rep you all.

BTW, does it matter that one of my cards is 1GB while the other Sapphire Vapor X is 2gb? etc..?

Thanks
post #10 of 11
Quote:
Originally Posted by XxAlbertoxX View Post
BTW, does it matter that one of my cards is 1GB while the other Sapphire Vapor X is 2gb? etc..?
Only 1GB of VRAM is available because CF is limited by the card with the lowest VRAM..
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