How to minewith 5 GPUs on win7?

[Glandoux]

I just added a 5th card and I get error 43.  I searched around the net and it says win7 doesn't allow 5+GPUs but I only have win 7.  I also read there's a work around but there were no details as to what this workaround is.  Anyone got any advice?

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[Tomatocage]

What version Catalyst are you running? I remember seeing similar issues on earlier versions of the driver.

[joshua3m]

1. what kind of mobo you using in your setup... some of cheap one will not work always with 5 cards
2. for clarification are you using 5 single gpu cards.
3. what kind of cards u using in your setup.

should add some more hint what's wrong with your setup...

[Glandoux]

I am using 5 club3d 270 cards and the board is the bit coin Asus one.

I figured I didn't have to put that because I read it was Win7 that limits to 4 cards and there's a work around.  If this isn't the case I can post all the details of my rig.

[prometheianz]

Check out my guide:

https://bitcointalk.org/index.php?topic=461637.msg5111084#msg5111084

[Glandoux]

Thanks!

It's unstable and doesn't work with jane, is that normal?

[MineNerd]

If you can't get 5 cards to work with Win 7, try the 90 day evaluation version of Win 8.1

http://technet.microsoft.com/en-us/evalcenter/hh699156.aspx

It will auto detect all 5 cards on install, no additional drivers needed. I did this with a 5x r9 270 rig. Easiest rig i've ever setup.

[Glandoux]

What's the plan after 90 days?

[ammi84]

Worked for me:

https://litecointalk.org/index.php?topic=11761

[MineNerd]

What's the plan after 90 days?

When the 90 day eval period is complete, use some of the profits from the rig to purchase a legitimate license for Windows.