- 77 - BIOS Setup
5-3-2 Common RefCode Conguration
Parameter
Description
Common RefCode Conguration
MMIO High Base
Selects the MMIO High Base setting.
Options available: 56T, 40T, 32T, 24T, 16T, 4T, 1T/512G/3584T.
Default setting is 4T.
MMIO High Granularity Size
Selects the allocation size used to assign mmioh resources.
Total mmioh space can be up to 32xgranularity. Per stack mmioh
resource assignments are multiples of the granularity where 1 unit
per stack is the default allocation.
Options available: 1G, 4G, 16G, 64G, 256G, 1024G. Default setting
is 1024G.
Isoc Mode
Enable/Disable the Isochronous support in order to meet the QoS
requirements (Quality of Service).
Options available: Auto, Enable, Disable. Default setting is Disable.
Numa (Non-Uniform Memory
Access)
Enable/Disable Non-uniform Memory Access (NUMA) support to
improve the system performance.
Options available: Enable/Disable. Default setting is Enable.
Virtual Numa
Divide physical NUMA nodes into evenly sized virtual NUMA nodes
in ACPI table. This may improve Windows performance on CPUs
with more than 64 logical processors.
Options available: Enable/Disable. Default setting is Enable.