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Dell PowerEdge R760 Installation and Service Manual - Page 57

Table 50. Processor Settings details continued, Adjacent Cache Line Prefetch

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Table 50. Processor Settings details (continued) Option Description However, if power saving considerations outweigh performance, reduce the frequency of the processor communication links. Before reducing the frequency, you must localize the memory and I/O access to the nearest NUMA node to minimize the impact to system performance. Virtualization Technology Kernel DMA Protection Directory Mode Adjacent Cache Line Prefetch Hardware Prefetcher DCU Streamer Prefetcher DCU IP Prefetcher Sub NUMA Cluster MADT Core Enumeration UMA Based Clustering UPI Prefetch XPT Prefetch LLC Prefetch Dead Line LLC Alloc Directory AtoS AVX P1 Enables or disables the virtualization technology for the processor. This option is set to Enabled by default. This option is set to Disabled by default. When option is set to Enabled, BIOS and Operating System will enable direct memory access protection for DMA capable peripheral devices using virtualization technology. Enables or disables the directory mode. This option is set to Enabled by default. Optimizes the system for applications that need high utilization of sequential memory access. This option is set to Enabled by default. You can disable this option for applications that need high utilization of random memory access. Enables or disables the hardware prefetcher. This option is set to Enabled by default. Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to Enabled by default. Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to Enabled by default. Enables or disables the Sub NUMA Cluster. This option is set to Disabled by default. Specifies the MADT Core Enumeration. This option is set to default in Round Robin. Linear option supports industry core enumeration whereas, Round Robin option supports Dell optimized core enumeration. It is a read-only field and displays as Quadrant , when Sub NUMA Cluster is disabled or displays as Disabled, when Sub NUMA Cluster is either 2-way or 4-way. Enables you to get the memory read started early on DDR bus. The Ultra Path Interconnect (UPI) Rx path spawns the speculative memory that is read to Integrated Memory Controller (iMC) directly. This option is set to Enabled by default. This option is set to Enabled by default. Enables or disables the LLC Prefetch on all threads. This option is set to Enabled by default. Enables or disables the Dead Line LLC Alloc. This option is set to Enabled by default. You can enable this option to enter the dead lines in LLC or disable the option to not enter the dead lines in LLC. Enables or disables the Directory AtoS. AtoS optimization reduces remote read latencies for repeat read accesses without intervening writes. This option is set to Disabled by default. Enables you to reconfigure the processor Thermal Design Power (TDP) levels during POST based on the power and thermal delivery capabilities of the system. TDP verifies the maximum Pre-operating system management applications 57

Section	Page
Dell PowerEdge R760 Installation and Service Manual	1
Contents	3
About this document	8
System overview	9
Front view of the system	9
Left control panel view	11
Right control panel view	12
Rear view of the system	13
Inside the system	18
Locating the Express Service Code and Service Tag	20
System information labels	21
Rail sizing and rack compatibility matrix	29
Technical specifications	30
Chassis dimensions	31
System weight	31
Processor specifications	32
PSU specifications	32
Supported operating systems	33
Cooling fan specifications	33
System battery specifications	34
Expansion card riser specifications	34
Memory specifications	35
Storage controller specifications	36
Drives	36
Ports and connectors specifications	37
USB ports specifications	37
NIC port specifications	37
Serial connector specifications	37
VGA ports specifications	37
Video specifications	38
Environmental specifications	38
Thermal restriction matrix	40
Thermal air restrictions	47
Initial system setup and configuration	49
Setting up the system	49
iDRAC configuration	49
Options to set up iDRAC IP address	49
Options to log in to iDRAC	50
Resources to install operating system	51
Options to download drivers and firmware	51
Options to download and install OS drivers	52
Downloading drivers and firmware	52
Pre-operating system management applications	53
System Setup	53
System BIOS	54
System Information	54
Memory Settings	55
Processor Settings	56
SATA Settings	59
NVMe Settings	60
Boot Settings	60
Choosing system boot mode	61
Changing boot order	61
Network Settings	62
Integrated Devices	65
Serial Communication	66
System Profile Settings	67
System Security	68
Creating a system and setup password	71
Using your system password to secure your system	71
Deleting or changing system and setup password	72
Operating with setup password enabled	72
Redundant OS Control	72
Miscellaneous Settings	73
iDRAC Settings	73
Device Settings	74
Service Tag Settings	74
Dell Lifecycle Controller	74
Embedded system management	74
Boot Manager	74
PXE boot	74
Minimum to POST and system management configuration validation	76
Minimum configuration to POST	76
Configuration validation	76
Error messages	77
Installing and removing system components	78
Safety instructions	78
Before working inside your system	79
After working inside your system	79
Recommended tools	79
Optional front bezel	80
Removing the front bezel	80
Installing the front bezel	81
System cover	82
Removing the system cover	82
Installing the system cover	83
Drive backplane cover	84
Removing the drive backplane cover	84
Installing the drive backplane cover	85
Air shrouds	87
Removing the air shroud	87
Installing the air shroud	87
Removing the GPU air shroud top cover	88
Installing the GPU air shroud top cover	89
Removing the GPU air shroud filler	90
Installing the GPU air shroud filler	91
Removing the GPU air shroud	92
Installing the GPU air shroud	93
Removing the 2 x 2.5-inch rear drive module air shroud	94
Installing the 2 x 2.5-inch rear drive module air shroud	95
Removing the 4 x 2.5-inch rear drive module air shroud	96
Installing the 4 x 2.5-inch rear drive module air shroud	97
Cooling fans	98
Removing the cooling fan cage assembly	98
Installing the cooling fan cage assembly	99
Removing a cooling fan	100
Installing a cooling fan	101
Removing a 2 x 2.5-inch rear drive module cooling fan	102
Installing a 2 x 2.5-inch rear drive module cooling fan	103
Removing a 4 x 2.5-inch rear drive module cooling fan	104
Installing a 4 x 2.5-inch rear drive module cooling fan	105
Drives	106
Removing a drive blank	106
Installing a drive blank	107
Removing a drive carrier	107
Installing the drive carrier	108
Removing the drive from the drive carrier	109
Installing the drive into the drive carrier	110
Rear drive module	111
Removing the 2 x 2.5-inch rear drive module	111
Installing the 2 x 2.5-inch rear drive module	112
Removing the 4 x 2.5-inch rear drive module	113
Installing the 4 x 2.5-inch rear drive module	115
Drive backplane	116
Drive backplane	116
Removing the drive backplane	119
Installing the drive backplane	120
Side wall brackets	121
Removing the side wall bracket	121
Installing the side wall bracket	122
Cable routings	123
PERC module	172
Removing the rear mounting front PERC module	172
Installing the rear mounting front PERC module	173
Removing the adapter PERC module	174
Installing the adapter PERC module	176
System memory	177
System memory guidelines	177
General memory module installation guidelines	179
Removing a memory module	180
Installing a memory module	181
Processor and heat sink module	182
Removing the processor and heat sink module	182
Removing the processor	183
Installing the processor	185
Installing the processor and heat sink module	188
Removing the Direct Liquid Cooling module	190
Removing the processor	191
Installing the processor	193
Installing the Direct Liquid Cooling module	196
Expansion cards and expansion card risers	198
Expansion card installation guidelines	198
Removing the expansion card risers	241
Installing the expansion card risers	245
Removing expansion card from the expansion card riser	250
Installing an expansion card into the expansion card riser	251
Removing the full length expansion card risers	253
Installing the full length expansion card risers	255
Removing a GPU	258
Installing a GPU	260
Removing R1 and R4 paddle cards	263
Installing R1 and R4 paddle cards	264
Optional serial COM port	266
Removing the serial COM port	266
Installing the serial COM port	267
Optional VGA port for Direct Liquid Cooling module	269
Removing the VGA port	269
Installing the VGA port	270
Optional BOSS-N1 module	272
Removing the BOSS-N1 module blank	272
Installing the BOSS-N1 module blank	272
Removing the BOSS-N1 card carrier blank	273
Installing the BOSS-N1 card carrier blank	274
Removing the BOSS-N1 module	275
Installing the BOSS-N1 module	278
System battery	280
Replacing the system battery	280
Optional internal USB card	282
Removing the internal USB card	282
Installing the internal USB card	283
Intrusion switch	284
Removing the intrusion switch module	284
Installing the intrusion switch module	284
Optional OCP card	285
Removing the OCP card	285
Installing the OCP card	287
Power supply unit	288
Hot spare feature	288
Removing a power supply unit blank	289
Installing a power supply unit blank	289
Removing a power supply unit adapter	290
Installing a power supply unit adapter	290
Removing a power supply unit	291
Installing a power supply unit	292
Trusted Platform Module	293
Upgrading the Trusted Platform Module	293
Removing the TPM	293
Installing the TPM	294
Initializing TPM for users	294
Initializing the TPM 2.0 for users	294
System board	295
Removing the system board	295
Installing the system board	296
Restoring the system using Easy Restore	298
Manually update the Service Tag	298
LOM card and rear I/O board	298
Removing the LOM card and rear I/O board	298
Installing the LOM card and rear I/O board	300
Control panel	301
Removing the right control panel	301
Installing the right control panel	302
Removing the left control panel	303
Installing the left control panel	304
Upgrade Kits	306
BOSS-N1 module kit	307
GPU kit	309
Internal USB card kit	313
Serial COM port kit	313
Jumpers and connectors	314
System board jumpers and connectors	314
System board jumper settings	316
Disabling a forgotten password	316
System diagnostics and indicator codes	318
Status LED indicators	318
System health and system ID indicator codes	320
iDRAC Quick Sync 2 indicator codes	321
iDRAC Direct LED indicator codes	321
LCD panel	322
Viewing Home screen	323
Setup menu	323
View menu	323
NIC indicator codes	324
Power supply unit indicator codes	324
Drive indicator codes	326
Using system diagnostics	326
Dell Embedded System Diagnostics	327
Running the Embedded System Diagnostics from Boot Manager	327
Running the Embedded System Diagnostics from the Dell Lifecycle Controller	327
System diagnostic controls	327
Getting help	328
Recycling or End-of-Life service information	328
Contacting Dell Technologies	328
Accessing system information by using QRL	329
Quick Resource Locator for PowerEdge R760 system	329
Receiving automated support with Secure Connect Gateway (SCG)	329

Match case Limit results 1 per page

Table 50. Processor Settings details (continued)

Option

Description

However, if power saving considerations outweigh performance,

reduce the frequency of the processor

communication links. Before reducing the frequency, you must

localize the memory and I/O access to the nearest

NUMA node to minimize the impact to system performance.

Virtualization Technology

Enables or disables the virtualization technology for the

processor. This option is set to

Enabled

by default.

Kernel DMA Protection

This option is set to

Disabled

by default. When option is set to

Enabled

, BIOS and Operating System will enable direct memory

access protection for DMA capable peripheral devices using

virtualization technology.

Directory Mode

Enables or disables the directory mode. This option is set to

Enabled

by default.

Adjacent Cache Line Prefetch

Optimizes the system for applications that need high utilization

of sequential memory access. This option is set to

Enabled

default. You can disable this option for applications that need

high utilization of random memory access.

Hardware Prefetcher

Enables or disables the hardware prefetcher. This option is set

Enabled

by default.

DCU Streamer Prefetcher

Enables or disables the Data Cache Unit (DCU) streamer

prefetcher. This option is set to

Enabled

by default.

DCU IP Prefetcher

Enables or disables the Data Cache Unit (DCU) IP prefetcher.

This option is set to

Enabled

by default.

Sub NUMA Cluster

Enables or disables the Sub NUMA Cluster. This option is set to

Disabled

by default.

MADT Core Enumeration

Specifies the MADT Core Enumeration. This option is set

to default in

Round Robin

. Linear option supports industry

core enumeration whereas, Round Robin option supports Dell

optimized core enumeration.

UMA Based Clustering

It is a read-only field and displays as

Quadrant

, when Sub

NUMA Cluster is disabled or displays as

Disabled

, when Sub

NUMA Cluster is either 2-way or 4-way.

UPI Prefetch

Enables you to get the memory read started early on DDR

bus. The Ultra Path Interconnect (UPI) Rx path spawns the

speculative memory that is read to Integrated Memory Controller

(iMC) directly. This option is set to

Enabled

by default.

XPT Prefetch

This option is set to

Enabled

by default.

LLC Prefetch

Enables or disables the LLC Prefetch on all threads. This option

is set to

Enabled

by default.

Dead Line LLC Alloc

Enables or disables the Dead Line LLC Alloc. This option is set to

Enabled

by default. You can enable this option to enter the dead

lines in LLC or disable the option to not enter the dead lines in

LLC.

Directory AtoS

Enables or disables the Directory AtoS. AtoS optimization

reduces remote read latencies for repeat read accesses without

intervening writes. This option is set to

Disabled

by default.

AVX P1

Enables you to reconfigure the processor Thermal Design Power

(TDP) levels during POST based on the power and thermal

delivery capabilities of the system. TDP verifies the maximum

Pre-operating system management applications