How to install more than 4 gpus on x370 SLI killer
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=7498
Printed Date: 18 Jul 2025 at 9:23pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: How to install more than 4 gpus on x370 SLI killer
Posted By: Golbez
Subject: How to install more than 4 gpus on x370 SLI killer
Date Posted: 30 Jan 2018 at 12:19am
" rel="nofollow - Hi everybody, how do I accomplish this?
Bios has been updated to 4.5.
I have over 4G encoding turned on. I've tried setting PCI Express options to 2nd generation. I've tried different pcie slots via riser cards (1x to 16x adapter).
There doesn't exist anything on the web that I've been able to find about this board being useful for mining. Ideally I'd like to attach as many video cards as there are PCI Express slots and maybe another one or two to the M2 slots via an M2 adapter to pcie.
I'm using different brands of Radeon RX 580s. They're all 8 gigabyte models except the two Asus 4 gigabyte models and currently one of these who's 4GB models is the one that is not recognized. It does not come up as an unknown device in device manager.
I do have some Nvidia cards that I'll be using as well but I really hoped to use those in another rig. For the sake of experimentation and learning I'll be plugging them in today and seeing if they are recognized.
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Replies:
Posted By: kerberos_20
Date Posted: 30 Jan 2018 at 1:45am
biostar has mining mobo.
and in theirs manuals: for Bitcoin mining, please change the speed to PCI-E 1.0 in BIOS setting
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Posted By: Golbez
Date Posted: 30 Jan 2018 at 2:12pm
I've been trying Auto, Gen 1 as well as 2. After changing out all the AMD cards to NVIDIA I'm still only getting 4 cards recognised. A fifth card is showing up but is not running properly.
This fifth card is known good and new.
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