Selecting the power supply mode

When the x4 Redundant Power Supply Enablement Kit is installed, system power supply capacity increases from 2 to 4 PSUs, and the system can be configured for 1 or 2 different power sources. In the default 3+1 mode one PSU is redundant. Select 2+2 power supply mode to support power supplied from two different power sources

System ROM must be upgraded to P92 v2.30 for power supply mode selection to be available.

To select a power supply mode:

  1. Reboot the server.

    The server restarts and the POST screen appears.

  2. Press F9.

    The system utilities screen appears.

  3. Select System Configuration —> BIOS/Platform Configuration (RBSU) —> Advanced Options —> Redundant Power Supply Mode, and then press Enter.

  4. Select Configured for 3+1 Redundancy or Configured for 2+2 Redundancy and then press Enter.

  5. Press F10 to save the selection.

  6. Press Y to save the changes.

  7. Select Exit and resume system boot, and press Enter. The server continues the normal boot process.