Power management settings – Dell PowerEdge C8000 User Manual
Page 155
Using the System Setup Program
155
Power Management Settings
The system BIOS provides various options for power settings to help you save energy,
maximize system performance. The following table provides a guide for power
management settings.
Table 2-20. Power Management Settings
System Setup Menu Setting
Maximum Performance
(48DB)
Energy Efficiency
(48DC)
Setup Page
Setting
Option
D4
Token
Option
D4
Token
Power
Management
Power Management
Max.
Performance
021F
Node
Manager
4800
Energy Efficiency Policy Performance
48D0
Low
Power
48D2
CPU
Configuration
Active Processor Cores
All
026E
1/2
0233/
0232
Frequency Ratio
Auto
48C0
3
48C3
QPI Frequency
Auto
48C8
4.80GT/s 48C9
Turbo Mode
Enabled
01E8
Disabled 01EA
C State
Disabled
024C
Enabled 024B
C1E State
Disabled
02A2
Enabled 02A1
C6 State
Disabled
480A
Enabled 480B
C7 State
Disabled
480E
Enabled 480F
Direct Cache Access
Enabled
48D4
Disabled 48D3
Hyper-Threading
Technology
Enabled
00D1
Disabled 00D2
Adjacent Cache Line
Prefetch
Enabled
0172
Disabled 0171
Hardware Prefetcher
Enabled
0174
Disabled 0173
DCU Streamer
Prefetcher
Enabled
02C5
Disabled 02C6
DCU IP Prefetcher
Enabled
02CE
Disabled 02CF