BIOS: Difference between revisions
| Line 13: | Line 13: | ||
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled | BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled | ||
BIOS >> Advanced >> [[PCIe]]/PCI/PnP Configuration >> SR-IOV [[Support]] >> Enabled | BIOS >> Advanced >> [[PCIe]]/PCI/PnP Configuration >> [[SR-IOV]] [[Support]] >> Enabled | ||
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled | BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled | ||
Latest revision as of 12:01, 23 August 2024
Aten USB warning with Supermicro [1] [2]
Problem,
Continuously kernwl warning "USB port nn disabled by hub (EMI?), re-enabling"
Reason,
Compatibility issue between ATEN and Supermicro USB 2.0 Hub
Work around
Set BIOS > CPU Configuration > SMT Controlto "disable" and Global C-state Control to "Disabled"
Supermicro BIOS Setting on H11/H12 series motherboard with EPYC 7002 [3]
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled
BIOS >> Advanced >> PCIe/PCI/PnP Configuration >> SR-IOV Support >> Enabled
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled
BIOS >> Advanced >> NB Configuration >> IOMMU >> Enabled
BIOS >> Advanced >> ACPI settings >> PCI AER Support >> Enabled
Supermicro BIOS Setting on H11 series motherboard with EPYC 7001[3]
BIOS >> Advanced >> CPU configuration >> SVM Mode >> Enabled
BIOS >> Advanced >> PCIe/PCI/PnP Configuration >> SR-IOV Support >> Enabled
BIOS >> Advanced >> NB Configuration >> ACS Enable >> Enabled
BIOS >> Advanced >> NB Configuration >> IOMMU >> Enabled