Dell E56S Series Installation And Service Manual page 20

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
1. Power on or restart your system.
2. 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.
3. On the System Setup Main Menu screen, click System BIOS.
4. 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.
Current State of Specifies the current state of the memory operating mode.
Memory Operating
Mode
Node Interleaving Specifies if Non-Uniform Memory Architecture (NUMA) is supported. If this field is set to Enabled, memory
interleaving is supported if a symmetric memory configuration is installed. If this field is set to Disabled, the
system supports NUMA (asymmetric) memory configurations. This option is set to Disabled by default.
ADDDC Setting Enables or disables ADDDC Setting feature. When Adaptive Double DRAM Device Correction (ADDDC) is
enabled, failing DRAM's are dynamically mapped out. When set to Enabled it can have some impact to system
performance under certain workloads. This feature is applicable for x4 DIMMs only. This option is set to Enabled
by default.
Opportunistic Enables or disables opportunistic self-refresh feature. This option is set to Disabled by default.
Self-Refresh
20 Pre-operating system management applications