Hi,

I checked coreboot.rom-file and my vendor BIOS for that but can't find it.

The coreboot provides the _PSS ACPI objects and not that PSB table. I guess you miss the _PSS objects for some reason.

Did I miss to enable something in make menuconfig? Can someone give me a hint how to find the missing blob.

If your CPU is pre rev F family 0xf, the _PSS object is generated using a hardcoded table. Perhaps your CPU is missing there. See powernow_acpi.c
coreboot should also complain if the CPU is missing there:

"Unknown CPU, please update the powernow_acpi.c"

Thanks
Rudolf


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