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