Dell PowerEdge R740xd2 EMC Installation and Service Manual - Page 33
Table 5. Slot Disablement, Table 6. Slot Bifurcation, Auto Discovery Bifurcation Settings
View all Dell PowerEdge R740xd2 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 33 highlights
Option Description Empty Slot Unhide If Enabled, the root ports of all the empty slots are accessible to the BIOS and OS. This option is set to Disabled by default. Memory Mapped Enables or disables the support for the PCIe devices that need large amounts of memory. Enable this option only I/O above 4 GB for 64-bit operating systems. This option is set to Enabled by default. Memory Mapped I/O Base When set to 12 TB, the system will map MMIO base to 12 TB. Enable this option for an OS that requires 44 bit PCIe addressing. When set to 512 GB, the system will map MMIO base to 512 GB, and reduce the maximum support for memory to less than 512 GB. Enable this option only for the 4 GPU DGMA issue. This option is set to 56 TB by default. Slot Disablement Enables or disables the available PCIe slots on your system. The slot disablement feature controls the configuration of the PCIe cards installed in the specified slot. Slots must be disabled only when the installed peripheral card prevents booting into the operating system or causes delays in system startup. If the slot is disabled, both the Option ROM and UEFI drivers are disabled. Only slots that are present on the system will be available for control. Table 5. Slot Disablement Option Slot 1 Description Enables or disables or only the boot driver is disabled for the PCIe slot 1. This option is set to Enabled by default. Slot 2 Enables or disables or only the boot driver is disabled for the PCIe slot 2. This option is set to Enabled by default. Slot 3 Enables or disables or only the boot driver is disabled for the PCIe slot 3. This option is set to Enabled by default. Slot 4 Enables or disables or only the boot driver is disabled for the PCIe slot 4. This option is set to Enabled by default. Slot 5 Enables or disables or only the boot driver is disabled for the PCIe slot 5. This option is set to Enabled by default. Slot 6 Enables or disables or only the boot driver is disabled for the PCIe slot 6. This option is set to Enabled by default. Slot Bifurcation Allows Platform Default Bifurcation, Auto discovery of Bifurcation and Manual bifurcation Control. The default is set to Platform Default Bifurcation. The slot bifurcation field is accessible when set to Manual bifurcation Control and is grayed out when set to Platform Default Bifurcation or Auto discovery of Bifurcation. Table 6. Slot Bifurcation Option Auto Discovery Bifurcation Settings Description Platform Default Bifurcation , Auto Bifurcation, and Manual bifurcation Slot 1 Bifurcation x4 or x8 Bifurcation Slot 2 Bifurcation x4 or x8 Bifurcation Slot 3 Bifurcation x4 or x8 Bifurcation Pre-operating system management applications 33