BIOS I/O Menu Selections

The following screen captures show the BIOS Setup Utility I/O menu screens.

The following table lists the BIOS Setup Utility I/O menu setup options:

I/O Setup Options Options Defaults Description PCI SUBSYSTEM SETTINGS Configure PCI, PCI-X, and PCI Express settings. PCI 64 Bit Resources Allocation Disabled/ Enabled Disabled 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. IO VIRTUALIZATION Configure VT-d, SR-IOV, and ARI virtualization settings. VT-d Disabled/ Enabled Enabled Enable or disable Intel Virtualization Technology for directed I/O (VT-d). If enabled, ensures improved isolation of I/O resources for greater reliability, security, and availability. 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. I/OAT Configure settings for the Intel I/O Acceleration Technology (I/OAT). 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. INTERNAL DEVICES Configure settings for the embedded network controller. NET0/1 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. NET2 and NET3 OpROM Enable Note - Ethernet ports NET2 and NET3 are nonfunctional in single-processor systems. 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. ADD-IN CARDS Enable or disable the add-in cards: REM FEM 0 FEM 1 EM 0 EM 1 REM IO Enable Disabled/ Enabled Enabled Enable or disable I/O for the add-in card. OpROM Enable Disabled/ Enabled Enabled Enable or disable Option ROM for the add-in card. FEM 0 IO Enable Disabled/ Enabled Enabled Enable or disable I/O for the add-in card. OpROM Enable Disabled/ Enabled Enabled Enable or disable Option ROM for the add-in card.. FEM 1 IO Enable Disabled/ Enabled Enabled Enable or disable I/O for the add-in card. OpROM Enable Disabled/ Enabled Enabled Enable or disable Option ROM for the add-in card. EM 0 IO Enable Disabled/ Enabled Enabled Enable or disable I/O for the add-in card. OpROM Enable Disabled/ Enabled Enabled Enable or disable Option ROM for the add-in card. EM 1 IO Enable Disabled/ Enabled Enabled Enable or disable I/O for the add-in card. OpROM Enable Disabled/ Enabled Enabled Enable or disable Option ROM for the add-in card. Maximum Link Speed Displays speed as [GEN2 (De-Emph=1 -3.5 dB] PCI Hot-Plug Settings Change PCI Express and standard HP controller settings. If enabled allows BIOS built in hot-plug support. Use this feature if OS does not support PCI Express and SHPC hot-plug natively. Use this feature to enable or disable PCI Hot-Plug Settings: BIOS Hot-Plug Support PCI Buses Padding I/O Resources Padding MMIO 32 bit Resources Padding PFMMIO 32 bit Resources Padding PCI Buses Padding Disabled/ Enabled Disabled Use this feature if OS does not support PCI Express and SHPC hot-plug natively. I/O Resources Padding. 8 k Use this feature if OS does not support PCI Express and SHPC hot-plug natively. MMIO 32 bit Resources Padding. 32 M Use this feature if OS does not support PCI Express and SHPC hot-plug natively. PFMMIO 32 bit Resources Padding. 32 M Use this feature if OS does not support PCI Express and SHPC hot-plug natively. Legacy iSCSI Configure the iSCSI parameters. Launch Legacy iSCSI Disabled/ Enabled Disabled Enable or disable iSCSI for the add-in card.