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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: Asrock H81 & Radeon 7990 incompatibility
| Hello,
I'm trying to setup a Asrock H81 Pro motherboard with 6x Radeon 7990.
When I have 3x 7990 connected system boots normally. When I connect the 4th 7990 the board reports about 50 short bee... |
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mrs |
Hardware
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15 |
27,289 |
09-30-2014, 10:27 AM |
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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: RE: Asrock H81 & Radeon 7990 incompatibility
| >So first of all you should disable integrated gpu and try booting
There is no option to explicitly disable internal GPU (its actually the GPU in the CPU). There is an option to choose either the i... |
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mrs |
Hardware
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15 |
27,289 |
09-30-2014, 11:33 PM |
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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: RE: Asrock H81 & Radeon 7990 incompatibility
| > No, it's not a Windows issue, it's an AMD driver issue.
Just to clarify, when you say driver you mean Windows driver right? So the system should at least boot to BIOS right? |
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mrs |
Hardware
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15 |
27,289 |
10-01-2014, 09:02 AM |
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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: RE: Asrock H81 & Radeon 7990 incompatibility
| Now I understand, thanks.
I'll double check with Asrock to see if there's any way to enable 64bit addressing because this company was selling mining rigs based on the Asrock H81 Pro with 6 Radeon 7... |
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mrs |
Hardware
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15 |
27,289 |
10-01-2014, 03:57 PM |
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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: RE: Asrock H81 & Radeon 7990 incompatibility
| Quick update: I opened a support case at Asrock, they supplied a beta BIOS update with 4G Decoding, but the problem remains the same:
- If the onboard graphics is disabled, I can boot with 3 GPUs
... |
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mrs |
Hardware
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15 |
27,289 |
10-03-2014, 05:10 PM |
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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: RE: Asrock H81 & Radeon 7990 incompatibility
| Interesting post confirming the 8 GPU limit is only related to the Windows AMD driver, this poster has 4x Radeon 7990 plus 2x NVIDIA cards = total 10 GPUs under Windows
https://bitcointalk.org/inde... |
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mrs |
Hardware
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15 |
27,289 |
10-03-2014, 08:43 PM |
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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: RE: Asrock H81 & Radeon 7990 incompatibility
| I was just sharing an interesting setup... no need to be so aggressive. |
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mrs |
Hardware
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15 |
27,289 |
10-03-2014, 10:27 PM |
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Thread: Asrock H81 & Radeon 7990 incompatibility
Post: RE: Asrock H81 & Radeon 7990 incompatibility
| Quick update: I've been running 4x 7990s on the ASUS Z97-WS successfully. This board won't boot with 5x 7990. |
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mrs |
Hardware
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15 |
27,289 |
06-15-2015, 07:48 PM |
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Thread: Error running oclhashcat
Post: Error running oclhashcat
| Hello,
I'm trying to run hashcat. I installed the latest AMD drivers (14.4) as mentioned in the wiki but every time I run hashcat I get the following error:
oclHashcat64.exe -b
oclHashcat v1.20... |
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mrs |
Old oclHashcat Support
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10 |
16,624 |
05-09-2014, 10:57 AM |
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Thread: Error running oclhashcat
Post: RE: Error running oclhashcat
| Thanks for the tip, but I couldn't get it to work. I installed the demo version of Driver Fusion (it does say in the middle of the removal process that it needs the full version to completely remove t... |
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mrs |
Old oclHashcat Support
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10 |
16,624 |
05-09-2014, 05:07 PM |
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Thread: Error running oclhashcat
Post: RE: Error running oclhashcat
| Success!
I deleted all opencl*.* from Windows, used Driver Fusion and reinstalled Catalyst.
Thanks a million!
:-) |
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mrs |
Old oclHashcat Support
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10 |
16,624 |
05-09-2014, 06:39 PM |
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Thread: Error running oclhashcat
Post: RE: Error running oclhashcat
| Sorry to bother you again... now if I either run any of the .CMD examples or if I run with the benchmark option, my PC will crash. There is nothing in the event log other than unexpected reboot...
... |
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mrs |
Old oclHashcat Support
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10 |
16,624 |
05-09-2014, 07:25 PM |
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Thread: Error running oclhashcat
Post: RE: Error running oclhashcat
| I don't think its overheating. The PC hangs immediately after running hashcat... :-( |
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mrs |
Old oclHashcat Support
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10 |
16,624 |
05-12-2014, 09:49 AM |
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Thread: Error running oclhashcat
Post: RE: Error running oclhashcat
| Power limitation is a good tip, thanks! My PSU is around 800w. I'll replace it with a higher output and test.
Thanks |
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mrs |
Old oclHashcat Support
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10 |
16,624 |
05-13-2014, 11:54 AM |
