Difference between revisions of "Skiboot/NVRAM"
Jump to navigation
Jump to search
(Created page with "Loose collection of known NVRAM settings in Skiboot: == pcie-max-link-speed == Description: PCIe Link Speed Cap To cap the link speed, change the "pcie-max-link-speed" vari...") |
(No difference)
|
Revision as of 16:07, 18 October 2018
Loose collection of known NVRAM settings in Skiboot:
pcie-max-link-speed
Description: PCIe Link Speed Cap
To cap the link speed, change the "pcie-max-link-speed" variable to the maximum generation you want to support and re-IPL the machine. For instance, to cap at PCIe Generation 3, in the petitboot command line type:
nvram -p ibm,skiboot --update-config pcie-max-link-speed=3
