H110-BTC+ won't boot with three GPU's?
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=17780
Printed Date: 29 Jul 2025 at 1:47pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: H110-BTC+ won't boot with three GPU's?
Posted By: PNW_Steve
Subject: H110-BTC+ won't boot with three GPU's?
Date Posted: 12 Jan 2021 at 1:13am
Hello Everyone,
I have a new H110 with:
Tiny Linux (NiceHash OS)
I5 processor
8gb ddr4 RAM
1000 watt power supply
Boot from thumb drive.
5x AMD RX 580 gpu's
I added the first gpu. No problem.
Second founding. No problem.
Third gpu. .... Fails to boot. Freezes on Asrock splash screen during POST.
Thought I might have a bad gpu. I picked up two more and tried again.
Boot fine with any combination of two gpus but adding a third would fail.
Thought it must be a power issue. Is the third card too much for my power supply?
So I moved three risers to a separate power supply and tried again.
I now have two gpus on the main supply and three on the second supply (no commingling over 12v)
Every combination of cards, gpus and power supplies leaves me with the same state of failure.
I also followed the instructions I found for the folks having a similar problem with 9-10 gpus. It didn't help...
Suggestions??
Thanks
S.
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Replies:
Posted By: PNW_Steve
Date Posted: 12 Jan 2021 at 4:48am
Anyone have any thoughts?
I am starting to think that the Asrock H110 may not have been a good choice for this application.
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Posted By: PNW_Steve
Date Posted: 13 Jan 2021 at 5:59am
Posted By: slick
Date Posted: 18 Feb 2021 at 11:25pm
Have the same issue, same MB, only it's when adding a second GPU. I've got 5 GPUs between 2 different vendors, all work, individually. Tried tweaking BIOS settings, to no avail. As soon as I add the second GPU, it locks up at the boot screen. Came across a thread stating if you have a PCIe HD (which I do) that could be related to this issue, however still investigating as it will be a few days before I can get hands on an m.2.
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Posted By: JRD3000
Date Posted: 21 Feb 2021 at 10:17am
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I am also having the exactly same problem. Has anyone learned anything helpful?
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Posted By: slick
Date Posted: 26 Feb 2021 at 9:24am
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I figured it out after doing some research, watching some youtube videos, etc... ensure you've got 2 x molex are plugged into the motherboard. On at the top of the PCIe bank and the other at the bottom.
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