Configuring the memory mirroring mode

Prerequisites

To activate this feature, enable the Mirrored Memory with Advanced ECC Support option on the Configuring Advanced Memory Protection menu.

About this task

Use the Memory Mirroring option to configure how much of the total available system memory is reserved for mirroring.

Procedure

  1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Memory Options > Memory Mirroring Mode.
  2. Select a setting.

    • Full Mirror—Reserves 50% of the total available memory for mirroring.

    • Partial Mirror (20% above 4GB)—Reserves 20% of the total available memory above 4 GB for mirroring.

    • Partial Mirror (10% above 4GB)—Reserves 10% of the total available memory above 4 GB for mirroring.

    • Partial Mirror (Memory below 4GB)—Depending on the memory configuration, reserves 2 GB or 3 GB of lower memory below 4 GB for mirroring.

    • Partial Mirror (OS Configured)—Enables the operating system to configure partial memory mirroring.

  3. Save your setting.