Mirror Configuration

Enables or disables Mirror Fail-over.

When [Enabled] is selected, one uncorrectable memory error which is persistent triggers mirror failover.

When [Disabled] is selected, mirror failover is skipped even one uncorrectable memory which is persistent occurs.

This feature takes effect only when Full Mirror or Partial Mirror is enabled

Displays state of mirroring configuration that is made form OS (operating system) utility.

When a definition is found, you can use Delete Configuration Made From OS to clear it.

Displays the mirroring configuration of memory below 4 GB..

Configures mirroring ratio for the memory above 4GB in basis points.

The valid range is 1 – 5000. e.g. 1275 represent 12.75%.

Removes mirroring configuration that is made from operating system utility.

System reboot is required for changes to take effect.

Displays state of mirroring configuration that is made by UEFI utility.

In case of a conflict with the configuration values from OS, the values from OS will take precedence.

Reduces 50% of the total available system memory.

This feature does not support DDR5 DIMMs (9x4).

Partial mirroring reduces the available system memory by percentage of up to 50% per processor. The percentage is set by Partial Mirror Ratio In Basis Points. This mode cannot support DDR5 DIMMs (9x4).

Mirrors all available system memory below 4GB.