Applied the patch. The system was able to boot up but I got a whole bunch of kernel errors. The machine was responsive but couldn't connect to the cards. Also there is this post about new AMD drivers that can use up to 13 GPU's on a B250 mining expert motherboard http://www.aurelp.com/2017/11/01/solved-how-to-add-more-than-8-gpus-in-windows-10-step-by-stepfix/ Any possibility of contacting the Windows driver people to see how they managed to work around the bios issues? -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180219/56765851/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: dmesg.with.patch.log Type: text/x-log Size: 122509 bytes Desc: not available URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20180219/56765851/attachment-0001.bin>