HP xw25p User Manual download pdf (Page 49)

Intel QPI Link Power Management

NOTE: This option is available on servers with multiple Intel processors.

This feature places the Quick Path Interconnect links into a low power state when the links are not

being used. This reduces power usage with minimal performance impact.

Options include:

• Enabled (default)

• Disabled

Power Management Options menu 49

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Abstract 1
Contents 3
4 Contents 4
Contents 5 5
6 Contents 6
Contents 7 7
8 Contents 8
1 Introduction 9
Using this guide 10
G7, and Gen8 servers) 11
System Options menu 12
System Options menu 13 13
Virtual Serial Port 14
System Options menu 15 15
Embedded NICs 16
NIC Personality Options 17
USB Options 19
USB 2.0 Controller 21
USB Boot Support 22
USB Drive Key Enumeration 23
Processor Options 25
No-Execute Page Protection 27
AMD V (AMD Virtualization) 29
Intel Hyperthreading Options 30
System Options menu 31 31
Intel Turbo Boost Technology 33
System Options menu 35 35
AMD Core Performance Boost 36
Intel VT-d 37
AMD-Vi (IOMMU) 38
System Options menu 39 39
Embedded SATA Configuration 42
Power Management Options menu 45
HP Power Regulator 46
Redundant Power Supply Mode 47
Intel QPI Link Frequency 50
Energy/Performance Bias 57
Maximum Memory Bus Frequency 58
Channel Interleaving 59
Memory Interleaving 60
Maximum PCI Express Speed 63
Collaborative Power Control 65
Power Capping Support 66
DIMM Idle Power Saving Mode 68
DIMM Voltage Preference 69
Memory Power Savings Mode 70
HyperTransport Frequency 71
PCI IRQ Settings menu 73
POST F1 Prompt 82
Power Button 83
Server Availability menu 85 85
Power-On Delay 86
Server Security menu 87
TPM Clear 94
BIOS Interface Mode 99
Server Asset Text menu 100
Administrator Info Text 101
Service Contact Text 102
Custom POST Message 103
Advanced Options menu 104
Option ROM Loading Sequence 105
MPS Table Mode 106
ROM Selection 107
NMI Debug Button 108
Virtual Install Disk 109
PCI Bus Padding Options 110
Memory Mapped I/O Options 111
Address Mode 44-bit 112
Power-On Logo 113
F11 Boot Menu Prompt 114
Consistent Device Naming 115
Network Boot Retry Support 116
Hide Option ROM Messages 117
PCIe Slot6 Training Speed 118
Advanced Options menu 119 119
HP Option ROM Prompting 120
Video Options 121
Thermal Configuration 123
Service Options 124
Product ID 125
HW Prefetcher 127
Adjacent Sector Prefetch 128
DCU Prefetcher 129
DCU Streamer Prefetcher 130
DCU IP Prefetcher 131
Data Reuse 132
Advanced Options menu 133 133
DRAM Prefetch on CPU Request 134
DRAM Prefetch on I/O Request 135
CPU Core Hardware Prefetcher 136
CPU Cache Stride Prefetcher 137
Stack Engine Prediction 138
Node Interleaving 139
Data Direct I/O 141
Memory Channel Mode 142
Advanced Options menu 143 143
Hemisphere Mode 144
HPC Optimization Mode 145
ACPI SLIT Preferences 146
Advanced Options menu 147 147
One Terabyte Memory Limit 148
Drive Write Cache 149
Asset Tag Protection 150
Advanced Options menu 151 151
Embedded SATA RAID 152
System Default Options menu 153
User Default Options 155
Options include: 157
• English (default) 157
• Japanese 157
RBSU main menu 158
Embedded Serial Port A 159
Embedded Serial Port B 160
Optional LPT Mode Support 161
NUMLOCK Power-On State 161
Diskette Write Control 162
Diskette Boot Control 162
Advanced Memory Protection 163
USB Control 164
USB 2.0 EHCI Controller 164
Power Regulator for ProLiant 165
USB External Port Capability 166
Ultra Low Power State 167
PCI Devices menu 168
Boot Controller Order menu 170
Date and Time menu 170
Server Availability menu 170
ASR Status 171
ASR Timeout 171
Thermal Shutdown 171
Wake-On LAN 171
POST Speed Up 171
Server Passwords menu 172
Set Power-On Password 173
Set Admin Password 173
Trusted Platform Module 173
TPM Functionality 174
TPM Visibility 174
TPM Expansion ROM Measuring 174
Network Server Mode 175
QuickLock 175
BIOS Serial Console Port 176
BIOS Serial Console Baud Rate 176
EMS Console 178
Set Service Contact Text 180
Secondary IDE Channel Support 184
BIOS Enhanced RAID 184
Processor Hyper-Threading 185
No-Execute Memory Protection 186
Embedded VGA Control 187
Utility Language menu 188
BIOS Serial Console setup 189
Terminal emulation options 189
7. Select Terminal Settings 191
Keystroke emulation 193
Escape sequences 194
Inspect CLI Commands 195
RBSU CLI Commands 196
Command Buffering Support 198
Additional CLI support 199
Manual configuration flow 200
Scripted configuration flow 200
Using HPRCU 203
HPRCU command-line syntax 203
HPRCU command line arguments 203
HPRCU return codes 203
6 ROM-based utilities 205
Setup Utility 206
Inspect Utility 206
Diagnostics Utility 207
CPU Test 208
Auto-Configuration Process 209
Boot options 211
Operating System Installation 211
7 Support and other resources 212
Typographic conventions 213
HP Insight Online 214
8 Documentation feedback 215
Acronyms and abbreviations 216
218 Index 218
220 Index 220

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HP xw25p User Manual Page 49

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