Amd R9 295x2 Crossfire BSOD

Hutcheh

Distinguished
Nov 29, 2014
76
2
18,645
Hello Everyone,

Yesterday i received my second R9 295x2. I benchmarked the card standalone and it works great. When i try to go crossfire with the original card, I get one of three outcomes from which i have found this far. I'll go through the steps on what i did when i installed the second card.

I fully powered down and unplugged everything that was on the computer

Opened the case, pressed the card into PCIEX1_2 slot

Plugged in power cables, THIS MAY BE THE ISSUE. I used two 8 pin connectors on the original card, then running off of those 8 pin connectors is two 6 pin and two 2 pin connectors. I utilized those connectors and made sure to install them in the proper orientation. Maybe the card is not getting enough power? In that case, i may need to get a fully modular psu.

Closed the case and plugged all of the hardware and peripherals back in.

Turned on the computer, noticed the second cards on board fan was spinning very rapidly in comparison to card one.

Went to AMD's website, installed the drivers.

Restarted the computer. Both fans running at relatively the same normal operating speed.

Tried to start "Bioshock Remastered", screen went black for about 10 to 15 seconds and then I get the blue screen :(

THREAD_STUCK_IN_DEVICE_DRIVER

I went to the internet for a solution and found on a different thread that people have used a program called "Display Device Driver Uninstaller". I ran it in safe mode, then went over to admin mode to install a fresh driver. After the driver installed, Bioshock Blue screened again. I tried "Grow Home" and it would hang at a black screen, then crash the computer. I also tried the new DOOM and low and behold it ran! i played 5 minutes of the campaign and i was sitting around 100+ FPS.

Anyone have experience with this?

 

Barty1884

Retired Moderator
Please post your full specs.

I've heard of BIOS updates fixing this issue - it's worth trying (if an update exists)

Are you sure you inserted in a PCIe x1 slot? That shouldn't be physically possible.... I assume you mean PCIe x16_2?

You want your GPUs in a PCIe x16 slot (and when utilizing two cards, you'll probably be limited to x8 speeds).
 

Hutcheh

Distinguished
Nov 29, 2014
76
2
18,645


Thanks for the quick reply, my specs are:

Intel i7 4790k @4.0 Ghz
AMD R9 295x2 *2 - Both running stock clock speed
Kingston 2x8GB 2400Mhz Savage RAM
ASUS Maximus VII HERO Motherboard
Cooler Master M2 Silent Pro 1500W

Sorry I misread what was on the motherboard because the names of the slots are covered by the GPUs. The slots are PCIE_x16/x8_1 and PCIE_x8_2. Found this out while consulting the motherboards user manual. Sorry for the confusion.

I will try and update the bios and give you an update.
 

Hutcheh

Distinguished
Nov 29, 2014
76
2
18,645
I fully unplugged my computer and dug around in my spare parts and found a 6 to 8 pin connector, six pin connector plugging into the GPU, I plugged it in instead and now i can get games to run. I have tried 5 or 6 of them and they all play. Now my only concern is actually getting crossfire to work. I ran 3dmark before installing the second card. after running 3dmark with the second card installed, I get close to the same results as before. How do I enable crossfire?
 

Hutcheh

Distinguished
Nov 29, 2014
76
2
18,645
SO I'm a slight dummy, only slight. Went into the radeon settings, clicked gaming, then there are 6 options to chose from, the first one being the first GPU, the second being the second GPU and then Overdrive options for all of the cores. Under the second GPU tab, there is an option to turn crossfire on. so i clicked it, then radeon settings window disappeared, then about 5 seconds later it re appeared. When I went back into the options crossfire was still disabled. Any ideas why it wont stay on?