Memory settings
In the BIOS, access Memory Settings to view details.
Steps
1. To view the Memory Settings screen, power on the system and press F2.
2. Click System Setup Main Menu, System BIOS, and then Memory Settings.
The following options are available:
Table 12. Memory Settings details
Option Description
System Memory Size Specifies the size of the system memory.
System Memory Type Specifies the type of memory that is installed in the system.
System Memory Speed Specifies the speed of the system memory.
Video Memory Specifies the size of the video memory.
System Memory Testing Allows you to control whether the system memory tests are run during
system boot. The two options available are Enabled and Disabled. By
default, this option is set to Disabled.
Memory Operating Mode By default, this option is set to Optimizer Mode. The Fault Resilient Mode
and NUMA Fault Resilient Mode options are available for support when the
Advanced RAS capability processor is installed on the system.
Current State of Memory Operating
Mode
Specifies the current state of the memory operating mode.
Fault Resilient Mode Memory Size (%) This option allows you to define the percent of total memory size that the
fault resilient mode uses, when in Memory Operating Mode. If the Fault
Resilient Mode option is not selected, it is unavailable and not used by Fault
Resilient Mode.
Node Interleaving Enables or disables the Node interleaving option. Specifies if the 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 the field is set to Disabled, the system supports NUMA
(asymmetric) memory configurations. This option is set to Enabled by
default.
ADDDC Settings When the Adaptive Double DRAM Device Correction (ADDDC) option is
enabled, failing DRAMs are dynamically mapped out. When set to Enabled,
this option impacts the system performance under certain workloads. This
feature is applicable for x4 DIMMs only. By default, this option is set to
Enabled.
Memory Training When option is set to Fast and the memory configuration is not changed,
the system uses previously saved memory training parameters to train the
memory subsystems. System boot time is also reduced. If the memory
configuration is changed, the Retrain at Next boot is automatically enabled,
forces a single full memory training step, and then returns to Fast afterward.
When option is set to Retrain at Next boot, the system performs the one-
time full memory training step at next power on, and slows the boot time on
next boot. When option is set to Enabled, the system performs the force
full memory training steps every time the system powers on. This option also
slows the boot process each time.
Memory Map Out This option controls the DIMM slots on the system. This option is set to
Enabled by default. It allows you to disable system installed DIMMs.
Correctable Error Logging Enables or disables correctable error logging. By default, this option is set to
Disabled.
24 Pre-operating system management applications
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