NEC express5800 A2010b User Manual page 479

Chapter 4 Appendix
Operation mode
NUMA
Memory RAS Mode
Memory Interleave
Patrol Scrub
Demand Scrub
Double Refresh
I/O related (Option ROM)
Advanced menu → PCI Configuration → PCI Device Controller and Option ROM Settings
Operation mode
EFI OPROMs
PCI1-16 Slot Option
ROM
Parameter
([ ]: Default setting)
Disabled
[Enabled]
Independent
Independent+Rank Sparing
Independent+Mirroring
[Lock Step]
Lock Step+Rank Sparing
Lock Step+Mirroring
Disabled
[Intra]
Disabled
[Enabled]
Disabled
[Enabled]
[Disabled]
Enabled
Parameter
([ ]: Default setting)
[Disabled]
Enabled
Disabled
[Enabled]
(for PCI slot #1 or #2)
[Disabled]
Enabled
(for PCI slot other than #1
and #2)
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
When
applied
At next boot Enable or disable NUMA (Non Uniform
MemoryAccess) feature. When enabled, OS
detects CPU core and memory configuration, and
allocate resources appropriately to ensure
performance.
Enabled: Enables the feature.
Disabled: Disables the feature.
At next boot Specify the memory RAS mode.
See Chapter 2 (1.14.6 Using Memory RAS
Feature).
At next boot Enable or disable the memory interleave feature.
Disabled: Disables the feature.
Intra: Use the memory in socket in interleave
mode.
At next boot Enable or disable the patrol scrubbing feature.
Disabled: Disables the feature.
Enable: Accesses the memory periodically. If a
correctable error is detected, correct an error,
and write back the corrected data to memory to
recover the data.
At next boot Enable or disable the demand scrubbing feature.
Disabled: Disables the feature.
Enabled: If a correctable error is detected by
memory access request in normal processing,
correct an error, and write back the corrected
data to memory to recover the data.
At next boot Enable or disable the feature to double the
DRAM refresh rate.
Disabled: Disables the feature.
Enabled: Doubles the DRAM refresh rate at
disabled state. This can reduce occurrence of
DRAM failure, however, memory access
performance may be lowered.
When
applied
At next boot When an option ROM compliant to UEFI
standard is installed on PCI device, enable or
disable the feature to excute that option ROM.
Enabled: Execute option ROM compliant to
UEFI standard.
Disabled: Does not execute option ROM
compliant to UEFI standard. (Executes legacy
option ROM only.)
At next boot Enable or disable execution of option ROM
installed on PCI card.
Enabled: Execute option ROM installed on
relevant slot.
Disabled: Does not execute option ROM
installed on relevant slot.
2. Operation Mode
Description
Description
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