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Dell PowerEdge R7525 EMC Installation and Service Manual - Page 35

System Profile Settings, Table 27. Serial Communication details continued

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Table 27. Serial Communication details (continued) Option Description NOTE: You can use only Serial Device 2 for the Serial Over LAN (SOL) feature. To use console redirection by SOL, configure the same port address for console redirection and the serial device. NOTE: Every time the system boots, the BIOS syncs the serial MUX setting that is saved in iDRAC. The serial MUX setting can independently be changed in iDRAC. Loading the BIOS default settings from within the BIOS setup utility may not always revert the serial MUX setting to the default setting of Serial Device 1. Failsafe Baud Rate Remote Terminal Type Redirection After Boot Specifies the failsafe baud rate for console redirection. The BIOS attempts to determine the baud rate automatically. This failsafe baud rate is used only if the attempt fails, and the value must not be changed. This option is set to 115200 by default. Sets the remote console terminal type. This option is set to VT100/VT220 by default. Enables or disables the BIOS console redirection when the operating system is loaded. This option is set to Enabled by default. System Profile Settings To view the System Profile Settings screen, power on the system, press F2, and click System Setup Main Menu > System BIOS > System Profile Settings. Table 28. System Profile Settings details Option Description System Profile Sets the system profile. If you set the System Profile option to a mode other than Custom, the BIOS automatically sets the rest of the options. You can only change the rest of the options if the mode is set to Custom. This option is set to Performance Per Watt (OS) by default. Other options include Performance and Custom. NOTE: All the parameters on the system profile setting screen are available only when the System Profile option is set to Custom. CPU Power Management Memory Frequency Turbo Boost C States Write Data CRC Sets the CPU power management. This option is set to OS DBPM by default. Other option includes Maximum Performance. Sets the speed of the system memory. You can select Maximum Performance or a specific speed. This option is set to Maximum Performance by default. Enables or disables the processor to operate in the turbo boost mode. This option is set to Enabled by default. Enables or disables the processor to operate in all available power states. C States allow the processor to enter lower power states when idle. When set to Enabled (OS controlled) or when set to Autonomous (if hardware controlled is supported), the processor can operate in all available Power States to save power, but may increase memory latency and frequency jitter. This option is set to Enabled by default. When set to Enabled, DDR4 data bus issues are detected and corrected during 'write' operations. Two extra cycles are required for CRC bit generation which impacts the performance. Read-only unless System Profile is set to Custom. This option is set to Disabled by default. Memory Patrol Scrub Memory Refresh Rate PCI ASPM L1 Link Power Management Sets the memory patrol scrub mode. This option is set to Standard by default. Sets the memory refresh rate to either 1x or 2x. This option is set to 1x by default. Enables or disables the PCI ASPM L1 Link Power Management. This option is set to Enabled by default. Pre-operating system management applications 35

Section	Page
Dell EMC PowerEdge R7525 Installation and Service Manual	3
About this document	8
System overview	9
Front view of the system	9
Left control panel view	12
Right control panel view	13
Rear view of the system	14
Inside the system	16
Locating the Express Service Code and Service Tag	18
System information label	18
Rail sizing and rack compatibility matrix	21
Initial system setup and configuration	22
Setting up the system	22
iDRAC configuration	22
Options to set up iDRAC IP address	22
Options to log in to iDRAC	23
Resources to install operating system	23
Options to download firmware	24
Options to download and install OS drivers	24
Downloading drivers and firmware	25
Pre-operating system management applications	26
System Setup	26
System BIOS	27
System Information	27
Memory Settings	28
Processor Settings	28
SATA Settings	29
NVMe Settings	30
Boot Settings	30
Choosing system boot mode	31
Changing boot order	31
Network Settings	32
Integrated Devices	33
Serial Communication	34
System Profile Settings	35
System Security	36
Creating a system and setup password	36
Using your system password to secure your system	37
Deleting or changing system and setup password	37
Operating with setup password enabled	37
Redundant OS Control	38
Miscellaneous Settings	38
iDRAC Settings utility	38
Device Settings	39
Dell Lifecycle Controller	39
Embedded system management	39
Boot Manager	39
PXE boot	39
Installing and removing system components	40
Safety instructions	40
Before working inside your system	41
After working inside your system	41
Recommended tools	41
Optional front bezel	42
Removing the front bezel	42
Installing the front bezel	42
System cover	43
Removing the system cover	43
Installing the system cover	44
Drive backplane cover	45
Removing the drive backplane cover	45
Installing the drive backplane cover	46
Control panel	47
Removing the right control panel	47
Installing the right control panel	48
Removing the left control panel	49
Installing the left control panel	50
Air shroud	52
Removing the air shroud	52
Installing the air shroud	52
Removing the GPU air shroud	53
Installing the GPU air shroud	54
Removing the GPU air shroud top cover	55
Installing the GPU air shroud top cover	56
Cooling fan	57
Removing the cooling fan cage assembly	57
Installing the cooling fan cage assembly	58
Removing a cooling fan	59
Installing a cooling fan	60
Side wall bracket	61
Removing the side wall bracket	61
Installing the side wall bracket	62
Drives	63
Removing a drive blank	63
Installing a drive blank	64
Removing the drive carrier	64
Installing the drive carrier	65
Removing the drive from the drive carrier	66
Installing the drive into the drive carrier	67
Drive backplane	68
Drive backplane	68
Removing the drive backplane	70
Installing the drive backplane	71
Cable routing	73
Rear drive cage	76
Removing the rear drive cage	76
Installing the rear drive cage	77
Front PERC module	78
Removing the front mounting front PERC module	78
Installing the front mounting front PERC module	79
Removing the rear mounting front PERC module	80
Installing the rear mounting front PERC module	81
System memory	82
System memory guidelines	82
General memory module installation guidelines	83
Removing a memory module	86
Installing a memory module	87
Processor and heat sink	88
Removing a heat sink	88
Removing the processor	89
Installing the processor	91
Installing the heat sink	93
Expansion cards and expansion card risers	95
Expansion card installation guidelines	95
Removing the expansion card risers	121
Installing the expansion card risers	124
Removing expansion card from the expansion card riser	126
Installing an expansion card into the expansion card riser	127
Removing the full length expansion card risers	129
Installing the full length expansion card risers	131
Removing a GPU	133
Installing a GPU	136
Optional serial COM port	138
Removing the serial COM port	138
Installing the serial COM port	140
Optional IDSDM module	141
Removing the IDSDM module	141
Installing the IDSDM module	142
MicroSD card	143
Removing the MicroSD card	143
Installing the MicroSD card	144
M.2 SSD module	145
Removing the M.2 SSD module	145
Installing the M.2 SSD module	146
System battery	147
Replacing the system battery	147
Optional internal USB card	149
Removing the internal USB card	149
Installing the internal USB card	150
Intrusion switch module	150
Removing the intrusion switch module	150
Installing the intrusion switch module	151
Optional OCP card	152
Removing the OCP card	152
Installing the OCP card	154
Power supply unit	155
Hot spare feature	155
Removing a power supply unit blank	156
Installing a power supply unit blank	156
Removing a power supply unit	156
Installing a power supply unit	157
Trusted Platform Module	158
Upgrading the Trusted Platform Module	158
Removing the TPM	158
Installing the TPM	159
Initializing TPM for users	159
Initializing the TPM 1.2 for users	159
Initializing the TPM 2.0 for users	159
System board	160
Removing the system board	160
Installing the system board	162
Restoring Service Tag using Easy Restore	164
Manually updating Service Tag	164
LOM card and rear I/O board	164
Removing the LOM card and rear I/O board	164
Installing the LOM card and rear I/O board	165
Upgrade Kits	167
GPU kit	168
IDSDM kit	171
Internal USB card kit	172
Serial COM port kit	173
Jumpers and connectors	174
System board connectors	174
System board jumper settings	176
Disabling a forgotten password	176
Technical specifications	178
Chassis dimensions	179
Chassis weight	180
Processor specifications	180
PSU specifications	180
Supported operating systems	181
Cooling fan specifications	181
System battery specifications	182
Expansion card riser specifications	182
Memory specifications	183
Storage controller specifications	183
Drive specifications	184
Drives	184
Ports and connectors specifications	184
USB ports specifications	184
NIC port specifications	185
Serial connector specifications	185
VGA ports specifications	185
IDSDM	185
Video specifications	185
Environmental specifications	186
Thermal air restrictions	187
Thermal restriction matrix	188
System diagnostics and indicator codes	191
Status LED indicators	191
System health and system ID indicator codes	192
iDRAC Quick Sync 2 indicator codes	192
iDRAC Direct LED indicator codes	193
LCD panel	193
Viewing Home screen	194
Setup menu	194
View menu	195
NIC indicator codes	195
Power supply unit indicator codes	196
Drive indicator codes	198
Using system diagnostics	198
Dell Embedded System Diagnostics	198
Running the Embedded System Diagnostics from the Dell Lifecycle Controller	199
Running the Embedded System Diagnostics from Boot Manager	199
System diagnostic controls	199
Getting help	200
Recycling or End-of-Life service information	200
Contacting Dell	200
Accessing system information by using QRL	200
Quick Resource Locator for PowerEdge R7525 system	201
Receiving automated support with SupportAssist	201

Match case Limit results 1 per page

Table 27. Serial Communication details (continued)

Option

Description

NOTE:

You can use only Serial Device 2 for the Serial Over LAN (SOL)

feature. To use console redirection by SOL, configure the same port

address for console redirection and the serial device.

NOTE:

Every time the system boots, the BIOS syncs the serial MUX

setting that is saved in iDRAC. The serial MUX setting can

independently be changed in iDRAC. Loading the BIOS default settings

from within the BIOS setup utility may not always revert the serial MUX

setting to the default setting of Serial Device 1.

Failsafe Baud Rate

Specifies the failsafe baud rate for console redirection. The BIOS attempts to

determine the baud rate automatically. This failsafe baud rate is used only if the

attempt fails, and the value must not be changed. This option is set to

115200

default.

Remote Terminal Type

Sets the remote console terminal type. This option is set to

VT100/VT220

default.

Redirection After Boot

Enables or disables the BIOS console redirection when the operating system is

loaded. This option is set to

Enabled

by default.

System Profile Settings

To view the

System Profile Settings

screen, power on the system, press F2, and click

System Setup Main Menu

System BIOS

System Profile Settings

Table 28. System Profile Settings details

Option

Description

System Profile

Sets the system profile. If you set the System Profile option to a mode other than

Custom

, the

BIOS automatically sets the rest of the options. You can only change the rest of the options if the

mode is set to

Custom

. This option is set to

Performance Per Watt (OS)

by default. Other

options include

Performance

and

Custom

NOTE:

All the parameters on the system profile setting screen are available only when

the System Profile option is set to Custom.

CPU Power Management

Sets the CPU power management. This option is set to

OS DBPM

by default. Other option includes

Maximum Performance

Memory Frequency

Sets the speed of the system memory. You can select

Maximum Performance

or a specific speed.

This option is set to

Maximum Performance

by default.

Turbo Boost

Enables or disables the processor to operate in the turbo boost mode. This option is set to

Enabled

by default.

C States

Enables or disables the processor to operate in all available power states. C States allow the

processor to enter lower power states when idle. When set to

Enabled

(OS controlled) or when set

Autonomous

(if hardware controlled is supported), the processor can operate in all available

Power States to save power, but may increase memory latency and frequency jitter. This option is

set to

Enabled

by default.

Write Data CRC

When set to

Enabled

, DDR4 data bus issues are detected and corrected during 'write' operations.

Two extra cycles are required for CRC bit generation which impacts the performance. Read-only

unless System Profile is set to

Custom

. This option is set to

Disabled

by default.

Memory Patrol Scrub

Sets the memory patrol scrub mode. This option is set to

Standard

by default.

Memory Refresh Rate

Sets the memory refresh rate to either 1x or 2x. This option is set to

by default.

PCI ASPM L1 Link Power

Management

Enables or disables the PCI ASPM L1 Link Power Management. This option is set to

Enabled

default.

Pre-operating system management applications