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Author Topic: 7xGPU + Windows // modding AMD video driver is the answer  (Read 71727 times)
adaseb
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November 03, 2016, 04:23:49 PM
 #121

I can't for the life of me manage to get 6 x RX480's working on Windows7 with the mod .. Only 5..
Can anyone please help :/

Try  16.7.2 I think thats the only one that might work. It won't work with RX470s.
Hotmetal
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November 03, 2016, 08:04:11 PM
 #122

I can't for the life of me manage to get 6 x RX480's working on Windows7 with the mod .. Only 5..
Can anyone please help :/

Try  16.7.2 I think thats the only one that might work. It won't work with RX470s.

No go.. I can only see 5 GPU's with the 6th card showing an error 42 Sad
adaseb
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November 03, 2016, 08:49:13 PM
 #123

I can't for the life of me manage to get 6 x RX480's working on Windows7 with the mod .. Only 5..
Can anyone please help :/

Try  16.7.2 I think thats the only one that might work. It won't work with RX470s.

No go.. I can only see 5 GPU's with the 6th card showing an error 42 Sad

They are RX 480 correct? Use this tool also to get the 6th to work.
Nippy-ua
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November 04, 2016, 03:59:18 PM
 #124

Fix 7x GPU in Win 8.1 ? Huh
merc84
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November 15, 2016, 09:29:53 AM
 #125

Also cant get more than 5 rx 480 working, 6th shows error 41 on random card. Tried changing bios settings updating bios, applying mod several times (always as admin). Also tried various pcie slots (board has 7) I have asrock z87 fatal1ty killer. Anyone has any experience with this it would be greatly appreciated!
 
batko
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November 15, 2016, 10:34:34 AM
 #126

I have 8xRx 480 H81 BTC PRo with 3in1HUB
http://www.ebay.com/itm/PCI-e-Express-1X-to-3-Port-1X-Switch-Multiplier-HUB-Riser-Card-USB-Cable-1PC-/141865200790?hash=item2107d32c96:g:zTwAAOSwa-dWhMvm


7xRx 480 works great, but the 8x480 will not start... some ideas or suggestions?


What could be the cause?

Rig:
8x Rx 480 Nitro
8x USB extender
8GB ram
H81 pro BTC +celeron G1840
Superflower 1600w Gold

win 10
16.9.2 driver.


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lbr (OP)
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November 16, 2016, 12:37:04 PM
 #127

but the 8x480 will not start

BSOD?

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6+ GPUs driver mod for Windows
batko
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November 17, 2016, 10:00:30 PM
 #128

not my rig will not start, a black screen, with 7x480 works fine, If you know what is the cause, please for help

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citronick
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November 18, 2016, 12:54:34 AM
 #129

8 x GPU under Windows is a lost cause.... but looking at your build, maybe relook at the PSU - suspect its cause of black screen....

I have a 7 x R7-370 built in June for ETH mining working like a charm.

Although the 370 is not really a fast card, its a very stable, super cool card and is not power hungry.

ATM, its mining ZEC at 58-60 H/s per card with Claymore v6 ZEC miner.

I spent so much time tweaking to get the 8th card to work but no good results.

I stopped experimenting after realising that those downtime should have been put to good use mining and getting profits. 7 cards not put in good mining use is really a waste...

Conclusion to share:

1. Beyond 7 GPU, only Linux can make this happen. Some dude in Ethereum forum has shared this in detailed.

2. Crazy multi GPU Linux rig, I think this dude went all the way to 18 (or more) x GPUs to mine ETH using a special USD$2000 PCI extension board usually meant for deep learning systems. Even Claymore had to release a special Linux version to support it for ETH mining.
See: https://bitcointalk.org/index.php?topic=1676763.msg16895926#msg16895926

3. For Windows 7,8.1,10 - max 7 cards with standard drivers is no issue esp with latest drivers. Older drivers, need the 6xGPU hack utility.

4. Windows Advanced Server with special drivers and Windows registry tweaking - 8 or more cards possible. Google "Deep Learning systems" that are Windows based.

If I provided you good and useful info or just a smile to your day, consider sending me merit points to further validate this Bitcointalk account ~ useful for future account recovery...
lbr (OP)
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November 18, 2016, 08:06:45 AM
 #130

8 x GPU under Windows is a lost cause.... but looking at your build, maybe relook at the PSU - suspect its cause of black screen....
1. Beyond 7 GPU, only Linux can make this happen. Some dude in Ethereum forum has shared this in detailed.
4. Windows Advanced Server with special drivers and Windows registry tweaking - 8 or more cards possible. Google "Deep Learning systems" that are Windows based.

Yes, yes. very advanced Windows Server ; )



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cgminer 2.11.13 x64 portable for Mac OS X 10.6.8
6+ GPUs driver mod for Windows
batko
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November 18, 2016, 11:24:06 AM
 #131

8 x GPU under Windows is a lost cause.... but looking at your build, maybe relook at the PSU - suspect its cause of black screen....

I have a 7 x R7-370 built in June for ETH mining working like a charm.

Although the 370 is not really a fast card, its a very stable, super cool card and is not power hungry.

ATM, its mining ZEC at 58-60 H/s per card with Claymore v6 ZEC miner.

I spent so much time tweaking to get the 8th card to work but no good results.

I stopped experimenting after realising that those downtime should have been put to good use mining and getting profits. 7 cards not put in good mining use is really a waste...

Conclusion to share:

1. Beyond 7 GPU, only Linux can make this happen. Some dude in Ethereum forum has shared this in detailed.

2. Crazy multi GPU Linux rig, I think this dude went all the way to 18 (or more) x GPUs to mine ETH using a special USD$2000 PCI extension board usually meant for deep learning systems. Even Claymore had to release a special Linux version to support it for ETH mining.
See: https://bitcointalk.org/index.php?topic=1676763.msg16895926#msg16895926

3. For Windows 7,8.1,10 - max 7 cards with standard drivers is no issue esp with latest drivers. Older drivers, need the 6xGPU hack utility.

4. Windows Advanced Server with special drivers and Windows registry tweaking - 8 or more cards possible. Google "Deep Learning systems" that are Windows based.

I have 8x280x on same rig and everything is fine. I think the problem are new graphics cards (Rx series), with old card (HD 7950 or R9 280X) my rig start normal.  8x 280x works perfectly on same windows 10, and same 16.9.2 driver.

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lbr (OP)
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November 19, 2016, 10:10:09 AM
 #132

I have 8x280x on same rig and everything is fine. I think the problem are new graphics cards (Rx series), with old card (HD 7950 or R9 280X) my rig start normal.  8x 280x works perfectly on same windows 10, and same 16.9.2 driver.

How about 7x480 + 1x7900/280x?

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Jugoslavik
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November 19, 2016, 02:16:22 PM
 #133

I have 8x280x on same rig and everything is fine. I think the problem are new graphics cards (Rx series), with old card (HD 7950 or R9 280X) my rig start normal.  8x 280x works perfectly on same windows 10, and same 16.9.2 driver.
What is your motherboard, processor and operating system where 8 of the GPU?
What to do with the motherboard BIOS?
batko
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November 19, 2016, 02:32:01 PM
 #134

H81 pro BTC Bios version 2.30

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D8V1D
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November 23, 2016, 06:48:33 PM
 #135

8 x GPU under Windows is a lost cause.... but looking at your build, maybe relook at the PSU - suspect its cause of black screen....
1. Beyond 7 GPU, only Linux can make this happen. Some dude in Ethereum forum has shared this in detailed.
4. Windows Advanced Server with special drivers and Windows registry tweaking - 8 or more cards possible. Google "Deep Learning systems" that are Windows based.

Yes, yes. very advanced Windows Server ; )


How did you get 10 GPUs running? What motherboard are you using?

Thanks
lbr (OP)
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November 24, 2016, 12:01:54 AM
 #136

8 x GPU under Windows is a lost cause.... but looking at your build, maybe relook at the PSU - suspect its cause of black screen....
1. Beyond 7 GPU, only Linux can make this happen. Some dude in Ethereum forum has shared this in detailed.
4. Windows Advanced Server with special drivers and Windows registry tweaking - 8 or more cards possible. Google "Deep Learning systems" that are Windows based.

Yes, yes. very advanced Windows Server ; )


How did you get 10 GPUs running? What motherboard are you using?

Thanks
990fxa ud3 rev4.
If I remember corrrectly - 4x7990 + 2x nvidia GPUs. Or connected via PCIe.. mm.. thingy.

BTC: 18ozhbkfHneX8tnPgHJuTizyBmspM5Vgpa  LTC: LgVc7KdedPGZyDXHXEH9G7z6AoTmTvDdWb
cgminer 2.11.13 x64 portable for Mac OS X 10.6.8
6+ GPUs driver mod for Windows
JJ12880
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November 24, 2016, 08:26:44 AM
Last edit: November 24, 2016, 08:43:06 AM by JJ12880
 #137

Am I wasting my time, trying to get mixed 2x 7970 1x 7990, 2x RX 480's on the same windows rig?    It seems the standard 15.12 wont recognize the 480's, and get BSOD's after 10 seconds when using 16.9.  

EDIT

Seems to work just fine without the 7990 (4cards) but with the 7990 (6 cards) its very unstable. BSOD and blackscreens.

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ether19
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November 24, 2016, 08:45:13 AM
 #138

8 x GPU under Windows is a lost cause.... but looking at your build, maybe relook at the PSU - suspect its cause of black screen....

I have a 7 x R7-370 built in June for ETH mining working like a charm.

Although the 370 is not really a fast card, its a very stable, super cool card and is not power hungry.

ATM, its mining ZEC at 58-60 H/s per card with Claymore v6 ZEC miner.

I spent so much time tweaking to get the 8th card to work but no good results.

I stopped experimenting after realising that those downtime should have been put to good use mining and getting profits. 7 cards not put in good mining use is really a waste...

Conclusion to share:

1. Beyond 7 GPU, only Linux can make this happen. Some dude in Ethereum forum has shared this in detailed.

2. Crazy multi GPU Linux rig, I think this dude went all the way to 18 (or more) x GPUs to mine ETH using a special USD$2000 PCI extension board usually meant for deep learning systems. Even Claymore had to release a special Linux version to support it for ETH mining.
See: https://bitcointalk.org/index.php?topic=1676763.msg16895926#msg16895926

3. For Windows 7,8.1,10 - max 7 cards with standard drivers is no issue esp with latest drivers. Older drivers, need the 6xGPU hack utility.

4. Windows Advanced Server with special drivers and Windows registry tweaking - 8 or more cards possible. Google "Deep Learning systems" that are Windows based.

Hi, thanks for sharing your experience as I was thinking about the same thing. It seems like 6 cards are best when running on windows and if we want to squeeze out every bit out of the cards for the time and energy they consume, then go for Linux system.
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November 24, 2016, 12:33:43 PM
 #139

Am I wasting my time, trying to get mixed 2x 7970 1x 7990, 2x RX 480's on the same windows rig?    It seems the standard 15.12 wont recognize the 480's, and get BSOD's after 10 seconds when using 16.9.  

EDIT

Seems to work just fine without the 7990 (4cards) but with the 7990 (6 cards) its very unstable. BSOD and blackscreens.

In my small farm, I use ASrock H81 (3,4,5,6,7 GPUs with risers) and Biostar Z170 (4xGPU no risers).

I am done doing rig with risers, so future rigs with 4xGPU formats only to simplify mining operations.

Mixing GPU types is always a nightmare mainly because of drivers, PCI-USB risers, PCI slot and power draw issues...

For AMD, newer cards like RX / Polaris based - better on separate rigs because of driver support and other peculiar RX add-ons.



If I provided you good and useful info or just a smile to your day, consider sending me merit points to further validate this Bitcointalk account ~ useful for future account recovery...
ferol
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November 24, 2016, 12:34:06 PM
Last edit: November 24, 2016, 08:33:37 PM by ferol
 #140

Hello guys! I am trying to build a 7 gpu mining rig with the following components:

i3 Processor
8gb ram ddr3
MSI z97 gaming 5 Mobo
2x 1000 watts psu
and 7x 480 PowerColor 4g Gpu
USB 3.0 powered risers
on a Win 8.1 Pro operative system.

And I am experiencing issues to have all the cards recognized even after over 8 hours of trying different things like:

Clearing CMOS
Checking risers (they all are working)
Switching back and forward gpus within pcie ports for hours, which allowed me to recognize the 6th card like a regular H81 Pro BTC MOBO.
Everytime I plug a GPU to the PCIE7 slot the system won run. I am about to uninstall everything and start from the OS.

Do you guys have any idea what am I missing?

BTW: I am trying to emulate the process made by Cryptomined (https://www.youtube.com/watch?v=EWVyutw3hZk). But he says something about the memory on the minute 11:55 that  I can not understand with my limited english.

I hope someone can help me! Have a good day miners!

Edit: I just managed to have all the gpu recognized but one of them is still showing error code 43, even after applying the 6gpu mod.

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