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3.3.3 About boot specification of legacy BIOS
Boot of legacy operating system is executed by specifying the legacy boot option (Boot option which displays
device name without displaying EFI) from the [Boot Manager] menu.
In “FIGURE 3.5 Execution of Legacy Boot Option”, Fujitsu Virtual CDROM0 1.00 which is under the control
of Legacy CD ROM is a legacy boot option.
FIGURE 3.5 Execution of Legacy Boot Option
The priority level of starting the legacy operating system is changed from the [Change Boot Order] menu.
When the boot processing of legacy operating system is executed once, only the boot option of legacy
operating system is executed. The boot option of the UEFI boot whose priority level is lower than the boot
option of legacy operating system is not booted automatically. For example, boot of legacy operating system
is executed when Legacy CD ROM is moved above Windows Boot Manager, and the boot of Windows is not
executed automatically. Specifically, set according to the following procedures.
1. Decide the boot priority level by the [Change Boot Order] window of the [Boot Options] menu. (See “■
[Change Boot Order] menu”.)
2. Set startup priority level of multiple Floppy in the [Set Legacy Floppy Drive Order] menu of the Boot
Options menu. (See “■ [Set Legacy Floppy Drive Order] menu”.)
3. Set startup priority level of multiple HDD in the [Set Legacy HardDisk Drive Order] menu of the Boot
Options menu. (See “■ [Set Legacy HardDisk Drive Order] menu”.)