Dell PowerEdge XE2420 EMC Installation and Service Manual - Page 45

System Profile Settings, Table 24. Serial Communication details continued

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Table 24. Serial Communication details (continued) Option Description setup utility may not always revert this 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 25. 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 C1E 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 switch to a minimum performance state when it is idle. 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 Uncore Frequency 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 you to select the Processor Uncore Frequency option. Dynamic mode enables the processor to optimize power resources across cores and uncores during runtime. The optimization of the uncore frequency to either save power or optimize performance is influenced by the setting of the Energy Efficiency Policy option. Pre-operating system management applications 45

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Table 24. Serial Communication details (continued)
Option
Description
setup utility may not always revert this 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
by default.
Remote Terminal Type
Sets the remote console terminal type. This option is set to
VT100/VT220
by
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 25. 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.
C1E
Enables or disables the processor to switch to a minimum performance state when it is idle.
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 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.
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
1x
by default.
Uncore Frequency
Enables you to select the
Processor Uncore Frequency
option.
Dynamic mode
enables
the processor to optimize power resources across cores and uncores during runtime. The
optimization of the uncore frequency to either save power or optimize performance is
influenced by the setting of the
Energy Efficiency Policy
option.
Pre-operating system management applications
45