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H110 PRO BTC+ randomly fails to init. all GPUs

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salate View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote salate Quote  Post ReplyReply Direct Link To This Post Topic: H110 PRO BTC+ randomly fails to init. all GPUs
    Posted: 20 Apr 2021 at 12:01am
One note... I have also another RIG with the same MOBO AsRock H100 BTC+ with 8x Sapphire RX470 and never had this issue on this rig, so it looks it could be related to some GPU models or PSU.   
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salate View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote salate Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2021 at 11:55pm
Hi,
did somebody solve the problem already ? I have AsRock H110 BTC+ with 8 GPU, mix of RX580, RX590, and RX470. When booting some of the GPUSs, 1 or 2 are not recognized by BIOS, after few restarts it works OK. I changed PCIe riser with cables but did not solve the problem.
thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote justwork Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2021 at 5:37am
Forum software keeps mangling URL. The pound sign(£) should be a question mark.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote justwork Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2021 at 5:29am
Originally posted by behnamgolds behnamgolds wrote:

I have the exact same problem on Asrock h110 pro btc+ mobo with 12 XFX rx580 GPUs.

Works fine on Asus B250 mining expert and Biostar B250 btc pro mobos.

I also tried many things , relevant and irrelevant, tried to turn on the GPUs before and at the same time with the mobo, tried different BIOS firmwares, disable and enable every single option on mobo.

And don't even think about getting an answer from Asrock.

Anyone got any pointers to fix this somehow£


Nope, I can't even get mine to work with more than 2 Nvidia Tesla M40's. You can try this scheme another user posted. Didn't help me but YMMV

http://forum.asrock.com/forum_posts.asp£TID=6589&PID=81711&title=h110-pro-btc-cannot-boot-with-more-than-9-gpu#81711

hxxp://forum[.]asrock[.]com/forum_posts.asp£TID=6589&PID=81711&title=h110-pro-btc-cannot-boot-with-more-than-9-gpu#81711
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tmerkaj Quote  Post ReplyReply Direct Link To This Post Posted: 22 Mar 2021 at 10:24pm
Hi I have the same Asrock h110 pro btc+ however the key board is not recognised, none of the keys work to set it up. I see in moniotor press F2 to set it up but there is no response when i press the keys.
the keyboard is PS2 keyboard. the light on keyboard is on. Does anyone know what's going on£
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Post Options Post Options   Thanks (0) Thanks(0)   Quote behnamgolds Quote  Post ReplyReply Direct Link To This Post Posted: 13 Mar 2021 at 5:20pm
I have the exact same problem on Asrock h110 pro btc+ mobo with 12 XFX rx580 GPUs.

Works fine on Asus B250 mining expert and Biostar B250 btc pro mobos.

I also tried many things , relevant and irrelevant, tried to turn on the GPUs before and at the same time with the mobo, tried different BIOS firmwares, disable and enable every single option on mobo.

And don't even think about getting an answer from Asrock.

Anyone got any pointers to fix this somehow£
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Arman92 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Arman92 Quote  Post ReplyReply Direct Link To This Post Posted: 25 Mar 2019 at 9:24pm
I have the same problem here. I have 3 rigs with this MB, 2 of them are using Server PSUs for GPUs and for the other I'm using two desktop PSUs.

After months of struggling with this issue, I finally noticed that if GPUs power up only slightly before turning on the MB, this won't happen and all of the GPUs will happily init and work.

So I turn on my Server PSUs first, then the Motherboard PSU and then turn on the MB.

Unfortunately on my other rig that is using two desktop PSUs I can not do this sequential power-up and I still face this annoying issue.

I really wish Asrock team could fix this problem.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Globalthinker Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2018 at 7:04pm
I have the exact same problem. Even with just 4 GPUs one GPU will randomly not spin up. Resetting the mobo until all gpus are detected works. Not a good solution. Will replace with some other mobo.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hurrdurrasrock Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2018 at 11:31pm
Hi, same problem here. Has anyone found a solution? Can someone share their experience?

A random gpu fails to initialize on reboot.It doesn't post. On a subsequent reset, without touching anything else, the card may boot, but another random card may fail to initialize in its place.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote vlds Quote  Post ReplyReply Direct Link To This Post Posted: 15 Apr 2018 at 5:49am
I have same issue, what should I do to fix it?

On MB connected 24pin + 8pin + 2x4pin (MOLEX) + SATA
It start randomly GPU cards. Different GPU start when I click reset. Finally with 1/10 chanse all GPU starts. After GPU started all works as expected.

GPU not started in this case means it does not even spinning fans during POST
This happened with all my Gigabyte RX 560 OC 4G (rev. 2.0) (GV-RX560OC-4G) and repeated on GPUs with different memory vendor and without changes in BIOS of GPU.

Note: at the same time PowerColor RX560 cards starts always on the same MB


Same behaviour on 4 my MBs (from different parties). Can it be fixed or I should return MBs?
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