Configuring Fine Granularity Refresh (FGR)

About this task

Configure Fine Granularity Refresh (FGR) mode to address how the memory controller addresses possible row hammer DRAM vulnerabilities.

Procedure

  1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Memory Options.
  2. Select a setting:
    • 1x (default)
    • 2x
    • 1x w/RowHammer mitigation
    • 2x w/RowHammer mitigation
  3. Save your setting.