Menu items Description
Note:
1. If you change a setting of this item, the EFI might not start. Do not change any
setting.
Devices and I/O Ports sub menu
Select an item to display or set, and press Enter.
Note: You need to change the PCI 64-Bit Resource Allocation, MM Config
Base, PCI Express Native Control and USB Configuration setting when using
some OSs and applications. Do not change other items.
The following table shows description of menu items appeared in the left side
of the window. Select an item to display or set, and press Enter.
Menu items
Selection
1
Description
Active Video <<Onboard
Device>>
Add-in Device
Specifies the output destination of
video display.
PCI Express Native Control Disable
<<Enable>>
Enable or disable the native control of
PCI Express features from OS.
PCI 64-Bit Resource Allocation Disable
<<Enable>>
Enables or disables 64-bit resource
allocation to PCI devices.
MM Config Base 1GB
<<2GB>>
3GB
Sets the starting address of the PCI
Express configuration space.
Intel® VT for Directed I/O (VT-
d)
<<Enable>>
Disable
Enables or disables Intel® VT for
Directed I/O (VT-d).
Enable / Disable Onboard
Device(s)
- Enables or disables devices.
Enable / Disable Adapter Option
ROM Support
- Specifies whether to execute the
Legacy Option ROM and UEFI Option
ROM for PCI devices.
Set Option ROM Execution
Order
- Sets the order in which the Legacy
Option ROMs for PCI devices are to be
started.
PCIe Gen1/Gen2/Gen3 Speed
Selection
- Sets the speed of PCI Express, which
can be used in a PCI slot.
Console Redirection Settings - Sets console redirection and COM
ports.
USB Configuration - Configures USB ports.
Note:
1. A value in double angle brackets, << >>, shows the default.
UEFI setup menu
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Hitachi Compute Blade 500 Series EFI User's Guide