Setting "CPU Power Management" to "Maximum Performance" in BIOS introduces substantial boot delay on AMD Rome platform

Solution In Progress - Updated -


On an AMD Rome platform setting the "CPU Power Management" BIOS option to "Maximum Performance" introduces substantial boot delays. The system may also fail to boot, presenting emergency console.


  • Red Hat Enterprise Linux 8.4
  • AMD Rome platform (seen with AMD EPYC 7702 and Dell PowerEdge R6525)
  • Matrox G200eW3 Graphics Controller

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In