Owners Manual

Option Description
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 conguration
of the PCIe cards installed in the specied 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 34. Slot Disablement
Option Description
Slot 1
Enables or disables the PCIe slot 1. 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.
NOTE: If your system supports four processors, you may have 13 PCIe slots.
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 eld is accessible when set to Manual bifurcation
Control and is grayed out when set to Platform Default Bifurcation or Auto discovery of Bifurcation.
Table 35. Slot Bifurcation
Option Description
Slot 1 Bifurcation
X4 or X8 or X4X4X4X8 or X8X4X4 Bifurcation
Slot 3 Bifurcation
X4 or X8 or X4X4X4X8 or X8X4X4 Bifurcation
Slot 4 Bifurcation
X16 or X4 or X8 or X4X4X4X8 or X8X4X4 Bifurcation
Slot 5 Bifurcation
X4 Bifurcation or X8 Bifurcation
Pre-operating system management applications 47