IBM 88554RU Installation Guide - Page 142
Deleting a boot option
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IBM Firmware Boot Manager x455 Version 2.00 [2.10] (c) copyright IBM Corporation 2003 Boot options: Enter number or / to select, 'Enter' to execute 1 Acpi(PNP0A03,1)/Pci(4|0)/Mac(0002551F809E) 2 Acpi(PNP0A03,1)/Pci(4|1)/Mac(0002559F809E) 3 Windows Server 2003, Datacenter 4 EFI Shell [Built-in] 5 Acpi(PNP0A03,0)/Pci(5|1)/Ata(Primary,Master) 6 Acpi(PNP0A03,0)/Pci(5|1)/Ata(Primary,Master)/CDROM(Entry0) 7 Acpi(PNP0A03,0)/Pci(5|1)/Ata(Primary,Master)/CDROM(Entry1) System options: Enter letter or / to select, 'Enter' to execute Boot Option Maintenance Configuration/Setup Diagnostics Driver Setup EFI Shell Flash Messages: Figure 4-31 New default boot order in Firmware Boot Manager Deleting a boot option Deleting boot options should be done with caution. The default options can be recreated, but options added after the installation of an operating system are difficult to recreate and require specialist knowledge of the EFI environment and how the option was constructed in the first place. To avoid potential problems you need to follow some general guidelines: Always ensure that you have a current backup of the EFI boot options. Optionally take a Windows Server 2003 "boot option" backup using the nvrboot.efi utility. Proceed with caution. To delete an option follow the steps below: 1. Select Delete Boot Option(s) from the EFI Boot Maintenance Manager. The following screen will be displayed. 128 IBM xSeries 455 Planning and Installation Guide Eserver