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Os boot from efi shell – NEC 1080Xd User Manual

Page 44

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2-16 System Operation

OS Boot from EFI Shell

You can boot the OS from the EFI Boot Manager. You can also boot the OS by
entering commands from the EFI Shell.

An example follows for booting the OS from the SCSI hard disk drive in a
hardware configuration containing:

!

IDE DVD-ROM (Master)

!

SCSI HDD: OS boot disk

!

External LAN card built into the Expansion PCI slot.

Note:

Cards are available if they are supported by the

application programs or OS.

1. Specify the file system. Change the current file system to the file system

with the connected boot device by entering the device at the Shell prompt.

For the example in the following screen (see Figure 2-14), enter

fs0:

for the

fs0 boot device.

Shell> map

Device mapping table

fs0 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)/HD(Part1,Sig0A7C0000)

fs1 : Acpi(PNP0A03,0)/Pci(2|1)/Ata(Primary,Master)/CDROM(Entry1)

blk0 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)

blk1 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)/HD(Part1,Sig0A7C0000)

blk2 : Acpi(PNP0A03,3)/Pci(2|0)/Scsi(Pun0,Lun0)/HD(Part2,Sig0A7C0000)

blk3 : Acpi(PNP0A03,0)/Pci(2|1)/Ata(Primary,Master)

blk4 : Acpi(PNP0A03,0)/Pci(2|1)/Ata(Primary,Master)/CDROM(Entry1)

Shell> fs0:

Figure 2-14. Specifying the File System on the Shell Screen

2. Change the current working directory to the directory in which the OS

loader is stored.

For example, enter

cd os

and press

Enter

at the Fs0:\ prompt.

3. At the fs0:\os prompt, enter

ls

and press

Enter

to display a directory list of

files (see the following Figure 2-15). The list includes the OS loader file
name.

Enter fs0:

Boot device