Dell PowerEdge R640 EMC PowerEdge R640 Installation and Service Manual - Page 68
Redundant OS Control screen details, Miscellaneous Settings, BOSS PCIe Cards Internal M.2 Drives
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Redundant OS Control screen details The Redundant OS Control screen details are explained as follows: About this task Option Redundant OS Location Redundant OS State Description Enables you to select a backup disk from the following devices: • None • IDSDM • Internal SD card • SATA Ports in AHCI mode • BOSS PCIe Cards (Internal M.2 Drives) • Internal USB NOTE: RAID configurations and NVMe cards not are included as BIOS does not have the ability to distinguish between individual drives in those configurations. NOTE: This option is disabled if Redundant OS Location is set to None. When set to Visible, the backup disk is visible to the boot list and OS. When set to Hidden, the backup disk is disabled and is not visible to the boot list and OS. This option is set to Visible by default. NOTE: BIOS will disable the device in hardware, so it cannot be accessed by the OS. Redundant OS Boot NOTE: This option is disabled if Redundant OS Location is set to None or if Redundant OS State is set to Hidden. When set to Enabled, BIOS boots to the device specified in Redundant OS Location. When set to Disabled, BIOS preserves the current boot list settings. This option is set to Disabled by default. Miscellaneous Settings You can use the Miscellaneous Settings screen to perform specific functions such as updating the asset tag and changing the system date and time. Viewing Miscellaneous Settings To view the Miscellaneous Settings screen, perform the following steps: Steps 1. Power on, or restart your system. 2. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart your system and try again. 3. On the System Setup Main Menu screen, click System BIOS. 4. On the System BIOS screen, click Miscellaneous Settings. Miscellaneous Settings details About this task The Miscellaneous Settings screen details are explained as follows: 68 Pre-operating system management applications