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Topic: 7xGPU + Windows // modding AMD video driver is the answer - page 12. (Read 71731 times)

sr. member
Activity: 263
Merit: 250
semux
Hi
modded in minutes, i can see all cards now, but after running my mining batch  - eth it end with
blue screen with hug data ( something like errors)
5 x r9 290 win 7 boistar  MetherB
any solution?
thx
sr. member
Activity: 263
Merit: 250
semux
i'm trying to install the mod but link is dead ( i'm not sure id this will help - since long time of this post ( 2014 )
Yeah.. one of my ISPs is retarded..
Try here -
ftp://dc2.lbr.id.lv:22/6xGPU/6xGPU_mod/

so do you have any update (new method) to solve this issue?
thanks
Nope..

Thanks lbr, i'll try and update you!
lbr
sr. member
Activity: 423
Merit: 254
i'm trying to install the mod but link is dead ( i'm not sure id this will help - since long time of this post ( 2014 )
Yeah.. one of my ISPs is retarded..
Try here -
f t p : / / dc2 . lbr . id . lv : 22 / 6xGPU / 6xGPU_mod /
without spaces.

so do you have any update (new method) to solve this issue?
thanks
Nope..
sr. member
Activity: 446
Merit: 250
Unpaid signature.
Ibr thanks for cool share, i have the same issue here 5xamd r9 290 + Boistart motherboard
still only see 4 cards, i installed AMD-Catalyst-15.7.1-With-DOTNet45-Win7-64bit.
i'm trying to install the mod but link is dead ( i'm not sure id this will help - since long time of this post ( 2014 )
so do you have any update (new method) to solve this issue?
thanks

You need to run it as an administrator.
sr. member
Activity: 263
Merit: 250
semux
Ibr thanks for cool share, i have the same issue here 5xamd r9 290 + Boistart motherboard
still only see 4 cards, i installed AMD-Catalyst-15.7.1-With-DOTNet45-Win7-64bit.
i'm trying to install the mod but link is dead ( i'm not sure id this will help - since long time of this post ( 2014 )
so do you have any update (new method) to solve this issue?
thanks
lbr
sr. member
Activity: 423
Merit: 254
hero member
Activity: 1308
Merit: 508
Hey guys,

I'm running catalyst 14.4 with 6 cards. As soon as I add the 7. card I get a "device has been stopped" warning for a random card.

Is there any solution for that problem here?
lbr
sr. member
Activity: 423
Merit: 254
Yes, this is crucial for Linux compatibility on GA-990FXA-UD3 latter revision boards: enable IOMMU in the BIOS, and also enable EHCI & XHCI "Hand-Off".

IOMMU does not affect my GA-990FXA-UD3 Rev.3. Tho I'm running Win.
But this board is weird. For example it won't boot at all with 6x290 without monitor attached if "Full Screen Logo Show" is not enabled ; )
hero member
Activity: 651
Merit: 500
I have a gigabyte GA-990FXA-UD3 R5 and is running 2 graphic cards on the board in the pcies x16
The mobo has 4 pcies 16x and 2 pcies x1 ...

When i try to add a usb x1 pcie riser the pc does not work ,,, Windows 8.1 recognize the usb X1 to X16 pcie riser but when you plug a gpu on the riser is not working ,,,, also i tried the trick with the cable A1, B17 ... https://bitcointalk.org/index.php?topic=36061.120 and it got stuck the bios and i had to remove the mobo battery for a while ..

Also when I place the usb X1 riser in a motherboard X16 pcie slot again is not working .....
should i try risers with flat cable ? 16x to 16x and 1x to 16x ?

If you have any suggestion let me know ....

I got it same mobo with 5x r380 working like this:

1) doing that: https://bitcointalksearch.org/topic/m.5111084

2) from reddit fount this:
---
[–]sarosan 2 punktid 2 aastat ago
Yes, this is crucial for Linux compatibility on GA-990FXA-UD3 latter revision boards: enable IOMMU in the BIOS, and also enable EHCI & XHCI "Hand-Off".
I do not recommend using the open-source fglrx drivers, as their hashrate performance is subpar compared to the official AMD binary blobs (13.11/12.12).
---

3) run that mod to generate reg and manually applied it: https://lbr.id.lv/6xgpu_mod/ + reboot

4) still found one card with code 43 (not another card)

5) done that 6gpu mod again + reboot

voila Smiley
lbr
sr. member
Activity: 423
Merit: 254
I have the H61 Pro BTC. I select the PCIE link speed to be generation 1, it does not affect the mining.

PCIe link speed in general does not affect mining at all, cause most(all?) algos don't require PCIe bandwidth.
However some motherboards are having issues allocating resources for multiple devices.
And sometimes PCIe link speed set to 1/1.1 does help. Not for mining but for motherboard working properly with a lot of GPUs.
And since this setting does not affect mining speed and it is difficult to say which motherbard will be having issues.. I always set it to 1.1 if possible.
From the top of my head I remember z77 based motherboards and intel motherboards in general.
sr. member
Activity: 265
Merit: 250
Does it work on 7 or 8 GPU? For example we would like 2X7990 + 4X390 or 3X7990+2X390.
Didn't work for 8x290.
Worked for 4x7990 + 2xGTX970, tho ppl report 4x7990 working without the mod, but it was not the case on the rig I've seen. Did not work for 4x7990+1x290/7970/7990 - but system even would not boot(nor *nix nor Win).

I cannot make it work on ASrock H61 Pro BTC with 6x390. Maybe it is just the MB.

I've used to run 6x290 and 6x280x on H81 Pro BTC motherboard.

I remember following BIOS settings affected 6xGPU support on this board, but don't remember what settings I've used.

IGPU Multi-Monitor -> Disable

Primary Graphics Adapter -> don't remember
Select a primary VGA.

PCIE2 Link Speed -> don't remember; the lowest.
Select the link speed for PCIE2.

Launch Video OpROM Policy
Select UEFI only to run those that support UEFI option ROM only. Select Legacy
only to run those that support legacy option ROM only.

I have the H61 Pro BTC. I select the PCIE link speed to be generation 1, it does not affect the mining.
                                                                                                                                                                                           
full member
Activity: 159
Merit: 100
You need to run it as administrator

"6xGPU_mod does not support Windows UAC and should be run as Administrator."

Yeah.. I was too lazy implementing all this UAC bs.

Also you must either import registry file or tick "Modify registry" and reboot after.

You have done excellent jobs. If the AMD can implement the unlimited number of GPUs, it will be very good for mining.
lbr
sr. member
Activity: 423
Merit: 254
You need to run it as administrator

"6xGPU_mod does not support Windows UAC and should be run as Administrator."

Yeah.. I was too lazy implementing all this UAC bs.

Also you must either import registry file or tick "Modify registry" and reboot after.
lbr
sr. member
Activity: 423
Merit: 254
Does it work on 7 or 8 GPU? For example we would like 2X7990 + 4X390 or 3X7990+2X390.
Didn't work for 8x290.
Worked for 4x7990 + 2xGTX970, tho ppl report 4x7990 working without the mod, but it was not the case on the rig I've seen. Did not work for 4x7990+1x290/7970/7990 - but system even would not boot(nor *nix nor Win).

I cannot make it work on ASrock H61 Pro BTC with 6x390. Maybe it is just the MB.

I've used to run 6x290 and 6x280x on H81 Pro BTC motherboard.

I remember following BIOS settings affected 6xGPU support on this board, but don't remember what settings I've used.

IGPU Multi-Monitor -> Disable

Primary Graphics Adapter -> don't remember
Select a primary VGA.

PCIE2 Link Speed -> don't remember; the lowest.
Select the link speed for PCIE2.

Launch Video OpROM Policy
Select UEFI only to run those that support UEFI option ROM only. Select Legacy
only to run those that support legacy option ROM only.
sr. member
Activity: 265
Merit: 250
You need to run it as administrator

"6xGPU_mod does not support Windows UAC and should be run as Administrator."

That trick works. I have 7 GPUs on a motherboard, they are all recognised after the 6 GPU mod as administrator.
full member
Activity: 159
Merit: 100
You need to run it as administrator

"6xGPU_mod does not support Windows UAC and should be run as Administrator."
sr. member
Activity: 382
Merit: 250
Does lbr 6x GPU mod work on the 15.7 or later AMD dirvers?
I've tested it with 16.1.1 and 15.12

Does it work on 7 or 8 GPU? For example we would like 2X7990 + 4X390 or 3X7990+2X390.

I cannot make it work on ASrock H61 Pro BTC with 6x390. Maybe it is just the MB.
lbr
sr. member
Activity: 423
Merit: 254
Does lbr 6x GPU mod work on the 15.7 or later AMD dirvers?
I've tested it with 16.1.1 and 15.12
lbr
sr. member
Activity: 423
Merit: 254
I can use the 4x7990 without lbr mod on several motherboards.
Probably cause 4x7990 have less video available display connections than 8x7970.

But I cannot use 6x390 on the Asrock H61 Probtc boards. Anybody with any luck on that MB?
Even with the mod?
hero member
Activity: 756
Merit: 501
Does lbr 6x GPU mod work on the 15.7 or later AMD dirvers?
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