Booting the Microsoft Windows Operating System

You can boot the Windows Server 2003 operating system on an HP Integrity server by using the EFI Boot Manager to select the appropriate Windows item from the boot options list.

See “Shutting Down Microsoft Windows” for details on shutting down the Windows operating system.




	CAUTION: ACPI Configuration for Windows Must Be “windows”. On nPartition-capable HP Integrity servers, to boot the Windows operating system an nPartition must have its ACPI configuration value set to `windows`. At the EFI Shell, enter the acpiconfig command with no arguments to list the current ACPI configuration. If the `acpiconfig` value is not set to `windows`, then Windows cannot boot; in this situation you must reconfigure `acpiconfig` or else booting will be interrupted with a panic when launching Windows. To set the ACPI configuration for Windows: at the EFI Shell enter the acpiconfig windows command, and then enter the reset command for the nPartition to reboot with the proper (`windows`) configuration for Windows.




	NOTE: Microsoft Windows Booting on HP Integrity Servers. The recommended method for booting Windows is to use the EFI Boot Manager menu to select a Windows entry from the boot options list. Using the `ia64ldr.efi` Windows loader from the EFI Shell is not recommended.

Procedure A-8 Windows Booting

From the EFI Boot Manager menu, select an item from the boot options list to boot Windows using the selected boot option. The EFI Boot Manager is available only on HP Integrity servers.

See “ACPI Configuration for Windows Must Be “windows”” for required configuration details.

Access the EFI Boot Manager menu for the system on which you want to boot Windows.
Login to the management processor and enter CO to access the Console list. Select the nPartition console.
When accessing the console, confirm that you are at the EFI Boot Manager menu (the main EFI menu). If at another EFI menu, select the Exit option from the sub-menus until you return to the screen with the EFI Boot Manager heading.
At the EFI Boot Manager menu, select an item from the boot options list.
Each item in the boot options list references a specific boot device and provides a specific set of boot options or arguments to be used when booting the device.
Press Return or Enter to initiate booting using the selected boot option.

Once Windows begins loading, wait for the Special Administration Console (SAC) to become available.

The SAC interface provides a text-based administration tool that is available from the nPartition console. For details see the SAC online help (type ? at the SAC> prompt).

Loading.: Windows Server 2003, Datacenter
Starting: Windows Server 2003, Datacenter
 
 
 
                             Starting Windows...
********************************************************************************
 
Computer is booting, SAC started and initialized.
 
Use the "ch -?" command for information about using channels.
Use the "?" command for general help.
 
SAC>

Exit the console and management processor interfaces if finished using them.
To exit the console environment type ^B (Control-B); this exits the console and returns to the management processor Main menu. To exit the management processor, type X at the Main menu.

Booting the Microsoft Windows Operating System

Technical documentation

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