IBM System x3850 X5 Implementation Guide

260 IBM eX5 Implementation Guide
Table 6-8 UEFI settings, ASU values, and default settings
UEFI value ASU value ASU settings Default
Processor settings
TurboMode uEFI.TurboModeEnable Enable
Disable
Enable
TurboBoost Power Optimization uEFI.TurbBoost Traditional
PowerOptimized
PowerOptimized
Processor Performance States uEFI.ProcessorEistEnable Enable
Disable
Enable
CPU C-States uEFI.ProcessorCcxEnable Enable
Disable
Disable
C1 Enhanced Mode uEFI.ProcessorC1eEnable Enable
Disable
Enable
Processor Data Prefetcher uEFI.ProcessorDataPrefetch Enable
Disable
Enable
Hyper-Threading uEFI.ProcessorHyperThreading Enable
Disable
Enable
Execute Disable Bit uEFI.ExecuteDisableBit Enable
Disable
Enable
Intel Virtualization Technology uEFI.ProcessorVmxEnable Enable
Disable
Enable
QPI Link Frequency uEFI.QPISpeed Max Performance
Power Efficiency
Minimal Power
Max Performance
Memory Settings
N/A IMM.ThermalModePolicy Normal
Performance
Normal
CKE Low Power uEFI.CkeLowPolicy Enable
Disable
Disable
Memory Speed uEFI.DdrSpeed Max Performance
Power Efficiency
Minimal Power
Max Performance
Scheduler Policy (pagepolicy) uEFI.SchedulerPolicy Static Trade Off
Static Read Primary
Static Write Primary
Adaptive
Adaptive
Mapper Policy uEFI.MapperPolicy Open
Closed
Closed
Patrol Scrub uEFI.PatrolScrub Enable
Disable
Disable
N/A uEFI.DemandScrub Enable
Disable
Enable

IBM System x3850 X5 Specifications

General

Brand	IBM
Model	System x3850 X5
Category	Server
Language	English