Configuring Row Hammer mode

About this task

Use the Row Hammer Mode option to select 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 > Row Hammer Mode.
  2. Select a setting.

    • Auto (default)–the system automatically sets mode to RFM (Refresh Management) or pTRR based on the installed DIMMs and the supported DIMM topology.

      RFM securely refreshes all potential victim rows, but could impact performance.

    • pTRR– The Pseudo Target Row Refresh mode refreshes possible victim rows, but with no negative impact on performance or power consumption.

    • Disabled– Row hammer mitigation is not applied.
  3. Save your setting.