Dell EMC PowerEdge R640 Installation And Service Manual page 62

Option Description
UEFI Compliance Specifies the UEFI compliance level of the system firmware.
Version
Memory Settings
You can use the Memory Settings screen to view all the memory settings and enable or disable specific memory functions, such as
system memory testing and node interleaving.
Viewing Memory Settings
To view the Memory Settings screen, perform the following steps:
Steps
Power on, or restart your system.
Press F2 immediately after you see the following message:
F2 = System Setup
NOTE: If the operating system begins to load before you press F2, wait for the system to finish booting, and then
restart the system and try again.
On the System Setup Main Menu screen, click System BIOS.
On the System BIOS screen, click Memory Settings.
Memory Settings details
About this task
The Memory Settings screen details are explained as follows:
Option Description
System Memory Specifies the memory size in the system.
Size
System Memory Specifies the type of memory installed in the system.
Type
System Memory Specifies the system memory speed.
Speed
System Memory Specifies the system memory voltage.
Voltage
Video Memory Specifies the amount of video memory.
System Memory Specifies whether the system memory tests are run during system boot. Options are Enabled and Disabled. This
Testing option is set to Disabled by default.
Memory Operating Specifies the memory operating mode. The options available are Optimizer Mode, Single Rank Spare Mode,
Mode Multi Rank Spare Mode, Mirror Mode, and Dell Fault Resilient Mode. This option is set to Optimizer Mode
by default.
Current State of Specifies the current state of the memory operating mode.
Memory Operating
Mode
62 Pre-operating system management applications
NOTE: The Memory Operating Mode option can have different default and available options based
on the memory configuration of your system.
NOTE: The Dell Fault Resilient Mode option establishes an area of memory that is fault resilient.
This mode can be used by an operating system that supports the feature to load critical
applications or enables the operating system kernel to maximize system availability.