UEFI Menu Operations
3.4 [Device Manager] Menu
3.4.4.2 [I/O Space Assignment Configuration] Menu
I/O space assignment of various I/O devices in the system can be configured in [I/O Space Assignment
Configuration] menu.
After resetting the system, UEFI assigns the I/O space to the I/O device for which [Auto] or [Force] are set in
this menu.
The number of devices in which the I/O space can be allocated is limited, and there is a device to which the
I/O space is not allocated either. To allocate the I/O space, as follows is surely done.
■ [Force] is set to the device that wants to allocate the I/O space.
■ After resetting the system for which I/O space is assigned in this menu, open this menu once again and
confirm that the I/O space is assigned for the relevant system.
The settings changed in this menu are enabled after the system is reset.
Following is the display of window immediately after start-up of [I/O Space Assignment Configuration] Menu.
FIGURE 3.18 Display example of [I/O Space Assignment Configuration] Menu
(1) Display of page information
[I/O Space Assignment Configuration] is displayed.
(2) Menu Selection
Items shown in "" are displayed in Menu.
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