Team OS/4: OS/4 kernel support for AMD Ryzen CPU

The OS/4 Kernel Team recently updated the OS/4 kernel to support the AMD Ryzen CPU, which has the famous VME bug found by Michal from the os2museum. AMD fixed the issue with a microcode update found in the AGESA 1.0.0.6 BIOS blob.

Downloads:

  • updated oemhlp kernel driver which contains a patch for the AMD Ryzen VME bug
  • kernel support for the AVX CPU instructions found in recent AMD and Intel CPUs
  • new pmdd.sys/pmddk.sys which talks to the new KEE interface but it is also compatible with the IBM Aurora CP SMP Kernel
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