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Operating Mode settings

The system Operating Mode must be set to Maximum Performance to optimize system performance for its intended role as an Azure Stack HCI cluster node.

Graphical system setup​

To check/modify the Operating Mode setting using the graphical menus, follow these steps:
  1. Reboot the server if necessary and enter the UEFI menu screen by pressing the F1 key when prompted at the bottom of the screen.
  2. Navigate to UEFI Setup > System Settings > Operating Modes. Ensure that Choose Operating Mode is set to Maximum Performance, as shown in the following figure. Once this setting has been made, click the Save icon on the right, and then proceed to Processor settings.
    Figure 1. Graphical System Settings screen with Operating Mode set to Maximum Performance

Text-based system setup​

To check/modify the Operating Mode setting using the text-based system setup menus, follow these steps:
  1. Reboot the server if necessary and enter the UEFI menu screen by pressing the F1 key when prompted at the bottom of the screen.
  2. Navigate to System Settings > Operating Modes. Ensure that Choose Operating Mode is set to Maximum Performance, as shown in the following figure. If it is not, press Enter and use the arrow keys to select Maximum Performance before pressing Enter again. Once the setting has been made, press the Esc key to return to the System Settings screen, and then proceed to Processor settings.
    Figure 2. Text-based System Settings screen with Operating Mode set to Maximum Performance