Owners Manual
Option Description
is the only display capability in the system (that is, no add-in graphics card is installed),
then the Embedded Video Controller is automatically used as the primary display even if
the Embedded Video Controller setting is set to Disabled.
SR-IOV Global Enable Enables or disables the BIOS conguration of Single Root I/O Virtualization (SR-IOV)
devices. This option is set to Disabled by default.
OS Watchdog Timer If your system stops responding, this watchdog timer aids in the recovery of your operating
system. When this option is set to Enabled, the operating system initializes the timer.
When this option is set to Disabled (the default), the timer does not have any eect on
the system.
Memory Mapped I/O above 4 GB Enables or disables the support for the PCIe devices that need large amounts of memory.
This option is set to Enabled by default.
Memory Mapped I/O above Base Enables the memory mapped base to either 56 TB, or 12 TB, or 512 GB. The default option
is set to 56 TB.
Slot Disablement Enables or disables the available PCIe slots on your system. The slot disablement feature
controls the conguration of the PCIe cards installed in the specied 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.
• 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 3. This
option is set to Enabled by default
• Slot 5: Enables or disables or only the boot driver is disabled for the PCIe slot 3. This
option is set to Enabled by default
Slot Bifurcation Allows Platform Manual Bifurcation Control
• Slot1/3/4/5/6: X16 or X8 or X4 or X8X4X4 or X4X4X8
Serial Communication
You can use the Serial Communication screen to view the properties of the serial communication port.
Viewing Serial Communication
About this task
To view the Serial Communication screen, perform the following steps:
Steps
1 Turn on, or restart your system.
2 Press F2 immediately after you see the following message:
F2 = System Setup
NOTE
: If your operating system begins to load before you press F2, wait for the system to nish booting, and then restart
your system and try again.
3 On the System Setup Main Menu screen, click System BIOS.
Installation and Service Manual
Pre-operating system management applications
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