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BIOS updates are expected in mid / late June, but there are already beta versions for the ASUS Crosshair VI and GIGABYTE GA-AX370-Gaming 5 (edit: for the Gigabyte board the latest BIOS from the 24th of May seems to include some of the settings from 1.0.0.6, but is based on AGESA 1.0.0.5, which AMD seems to have publicly jumped over. The BIOS is posted on their forums: http://forum.gigabyte.us/thread/886/am4-beta-bios-thread). Edit: Betas now available for three Gigabyte boards, see the end of the post.
Edit: thanks to CrazyElf, here is another link and a screenshot from the Asus BIOS:
https://www.overclock3d.net/news/cpu_mainboard/amd_details_their_new_ryzen_agesa_1_0_0_6_update/1
Edit 2, May 31st:
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Source.
Highlights:
- Added 26 memory-related parameters, expanding memory frequencies to DDR4-4000 and reduced to 133MT/s the previous minimum 266MT/s increment in memory clocks;
- Unlock of two dozen memory timings (expanding on the previously available five primary timings), including allowing for the 2T command rate, which was previously locked at 1T;
- Support for PCI Express Access Control Services (ACS), enabling manual assignment of PCIe graphics cards within IOMMU groups. Dedicating a GPU to a virtual machine on a Ryzen system should now be easier.
BIOS updates are expected in mid / late June, but there are already beta versions for the ASUS Crosshair VI and GIGABYTE GA-AX370-Gaming 5 (edit: for the Gigabyte board the latest BIOS from the 24th of May seems to include some of the settings from 1.0.0.6, but is based on AGESA 1.0.0.5, which AMD seems to have publicly jumped over. The BIOS is posted on their forums: http://forum.gigabyte.us/thread/886/am4-beta-bios-thread). Edit: Betas now available for three Gigabyte boards, see the end of the post.
Edit: thanks to CrazyElf, here is another link and a screenshot from the Asus BIOS:
https://www.overclock3d.net/news/cpu_mainboard/amd_details_their_new_ryzen_agesa_1_0_0_6_update/1
Edit 2, May 31st:
Quote: