Option
Description
Memory Mapped
I/O Limit
Controls where MMIO is mapped. The
1 TB
option is designed for specific OS which cannot support MMIO over 1
TB. This option is set to
8 TB
by default. The default option is the maximum address that the system supports and
recommended in most cases.
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 35. Slot Disablement
Option
Description
Slot 1
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 Bifurcation
Allows
Platform Default 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
.
Table 36. Slot Bifurcation
Option
Description
Slot 1 Bifurcation
x8 Bifurcation
Slot 2 Bifurcation
x16 or x8 or x4 or x2 Bifurcation
Slot 3 Bifurcation
x16 or x8 or x4 or x2 Bifurcation
Serial Communication
You can use the
Serial Communication
screen to view the properties of the serial communication port.
Viewing Serial Communication
To view the
Serial Communication
screen, perform the following 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 finish booting, and then restart
your system and try again.
3
On the
System Setup Main Menu
screen, click
System BIOS
.
4
On the
System BIOS
screen, click
Serial Communication
.
46
Pre-operating system management applications