Configuring AMD Remap 1TB

Enable the AMD remap 1TB option to reclaim 12GB of RAM that is marked reserved when IOMMU is enabled on a system with at least 1TB of RAM. Enabling this option will cause a large gap in the accessible memory map that may cause problems with some operating systems.

Procedure
  1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Memory Options > AMD Remap 1TB.
  2. Select one of the following:

    • Enable

    • Disable

  3. Save your setting.