Mentioned only essential options that require attention. Option names may differ from listed. Refer to the BIOS configuration manual for your platform.
Set one NUMA node per CPU. Use of multiple nodes per CPU is not recommended:
NUMA Nodes Per Socket: NPS1
Enable Extended APIC. Recommended for server CPUs:
Local APIC mode: x2APIC
Virtualization support:
SVM: Enabled
IOMMU: Enabled
Maximum CPU performance mode:
Determinism Control: Enable
Determinism Slider: Power
Disable bus power saving to prevent packet loss:
APBDIS: 1
Fixed SOC P-State: P0
Priority mode of operation of the I/O PCI device. Enable for single network card by specifying the number of its PCI bus. In case of multiple cards enable this option for the one that shows reduced performance:
Preferred IO: Manual
Preferred IO Bus: <pci_bus_num>
Enhanced Preferred IO Mode: Enabled
10-bit extended tag support for PCIe Gen 4 devices:
PCIe Ten Bit Tag Support: Enable
Relaxed Ordering operation mode to increase bus bandwidth:
Relaxed Ordering: Enabled