Before starting install windows server OS, amount of logic cores are more than 255 cores, please follow below instruction to install windows server OS.
For windows server 2019 installation please follow below steps
- Disable SMT in BIOS (BIOS >> Advanced >> CPU Configuration >> SMT Control >> Disabled)
- Enable IOMMU in BIOS (BIOS>>Advanced>>NB Configuration >>IOMMU>>Enable)
- Install windows server 2019
- Install latest windows update for your windows server or connect to internet then run windows update to download update automatically.
- Make sure patch KB4512534 has been installed. Reboot the system and go to BIOS
- Switch Local APIC to x2APIC (BIOS >> Advanced >> CPU Configuration >> Local APIC Mode >> x2APIC).
- Enable SMT
- Then you can use all logic cores under windows server OS.
For windows server 2016 installation please follow below steps
- Disable SMT in BIOS (BIOS >> Advanced >> CPU Configuration >> SMT Control >> Disabled)
- Switch Local APIC to xAPIC (BIOS >> Advanced >> CPU Configuration >> Local APIC Mode >> xAPIC)
- Install windows server 2016
- Install latest windows update for your windows server or connect to internet then run windows update to download update automatically.
- After all update install complete, reboot the system.
- Amount of logic cores are more than 255 cores, please do not enable SMT since windows server 2016 do not support logic cores more than 255 cores.
If you hang at POST procedure and it show “DXE--ACPI Initialization”. Please reboot and go to BIOS settings, to disable SMT and switch local APIC to “xAPIC”
For AMD EPYC 7xx2/ windows server OS installation instructions, you can also access below link for reference.
For the Aplus product OS support, please mainly refer to our OS support page as below.
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