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Oracle® Server X6-2L Service Manual

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Updated: January 2018
 
 

BIOS IO Menu Selections

This section includes a screenshot of the BIOS IO Menu. The options that are available from the IO Menu are described in the sections that follow.


Note -  PCIe slots 1, 2, 3, and Ethernet ports NET2 and NET3 are nonfunctional in single-processor systems.
image:This figure shows the BIOS IO Menu image.

The following sections describe the BIOS IO Menu options.

BIOS IO Menu PCI Subsystem Settings Options

The following table describes the BIOS IO Menu PCI subsystem settings options.

Table 33  BIOS IO Menu PCI Subsystem Settings Options
Setup Options
Options
Defaults
Description
PCI 64 Bit Resources Allocation
Disabled/Enabled
Enabled
Enable or disable 64-bit capable devices to be decoded in above 4G address space. This setting is available only if the system supports 64-bit decoding.

BIOS IO Menu IO Virtualization Options

The following table describes the BIOS IO Menu IO virtualization options.

Table 34  BIOS IO Menu IO Virtualization Options
Setup Options
Options
Defaults
Description
VT-d
Disabled/Enabled
Enabled
Enable or disable Intel Virtualization Technology for directed I/O (VT-d) by reporting the I/O device assignment to VMM through DMA remapping reporting (DMAR) Advance Configuration Power Interface (ACPI) tables.
SR-IOV
Disabled/Enabled
Enabled
Single Root I/O Virtualization (SR-IOV) is used to configure devices into multiple virtual devices that can be used on virtual OS installations. If supported by the hardware and set to enabled, all devices within the system that are SR-IOV capable are configured to support SR-IOV and I/O resources are allocated to the device as normal. If set to disabled, I/O resources are not allocated to the device.
ARI
Disabled/Enabled
Enabled
If Alternate Routing ID (ARI) is supported by the hardware and set to enabled, devices are permitted to locate virtual functions (VFs) in function numbers 8 to 255 of the captured bus number, instead of normal function numbers 0 to 7.

BIOS IO Menu I/OAT Configuration Options

The following table describes the BIOS IO Menu I/OAT configuration options.

Table 35  BIOS IO Menu I/OAT Configuration Options
Setup Options
Options
Defaults
Description
Intel I/OAT
Disabled/Enabled
Enabled
Enable or disable Intel I/OAT.
DCA Support
Disabled/Enabled
Enabled
Enable or disable direct cache access (DCA) support.

BIOS IO Menu Internal Devices Options

The following table describes the BIOS IO Menu internal devices options.

Table 36  BIOS IO Menu Internal Devices Options
Setup Options
Options
Defaults
Description
NET0
Displays and provides options to change the internal device settings.
OpROM Enable
Disabled/Enabled
Enabled
Enable or disable Option ROM. If set to enabled, Option ROM for the card executes as normal. If set to disabled, Option ROM for the card is not copied into memory and the execution of the Option ROM is inhibited.
NET1, NET2, and NET3

Note -  Ethernet ports NET2 and NET3 are nonfunctional in single-processor systems.

See NET0 description.

BIOS IO Menu Add In Cards Options

The following table describes the BIOS IO Menu add in cards options.

Table 37  BIOS IO Menu Add In Cards Options
Setup Options
Options
Defaults
Description
Slot 1

Note -  PCIe slot 1, slot 2, and slot 3 are nonfunctional in single-processor systems.

Displays and provides options to change the settings of the devices in PCIe slots.
OpROM Enable
Disable/Enabled
Enabled
Enable or disable Option ROM for add-in card.
Slot 2, Slot 3, Slot 4, Slot 5, and Slot 6
See Slot 1 description

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