Dell PowerEdge R940 EMC Installation and Service Manual - Page 54

Serial Communication, Table 41. Slot Disablement continued, Table 42. Slot Bifurcation

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Option Description Table 41. Slot Disablement (continued) Option Slot 5 Slot 6 Slot 7 Description Enables or disables or only the boot driver is disabled for the PCIe slot 5. This option is set to Enabled by default. Enables or disables or only the boot driver is disabled for the PCIe slot 6. This option is set to Enabled by default. Enables or disables or only the boot driver is disabled for the PCIe slot 7. This option is set to Enabled by default. Slot Bifurcation NOTE: If your system supports four processors, you may have 13 PCIe slots. 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 disabled when set to Platform Default Bifurcation or Auto Discovery of Bifurcation. Table 42. Slot Bifurcation Option Slot 1 Bifurcation Description x4 or x8 or x4x4x4x8 or x8x4x4 Bifurcation Slot 2 Bifurcation x4 or x8 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 Slot 6 Bifurcation x4 or x8 Bifurcation Slot 7 Bifurcation x16 or x4 or x8 or x4x4x4x8 or x8x4x4 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: Steps 1. Power 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. 54 Pre-operating system management applications

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Option
Description
Table 41. Slot Disablement (continued)
Option
Description
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 7
Enables or disables or only the boot driver is disabled
for the PCIe slot 7. 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 field is accessible when set to
Manual
Bifurcation Control
and is disabled when set to
Platform Default Bifurcation
or
Auto Discovery of
Bifurcation
.
Table 42. Slot Bifurcation
Option
Description
Slot 1 Bifurcation
x4 or x8 or x4x4x4x8 or x8x4x4 Bifurcation
Slot 2 Bifurcation
x4 or x8 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
Slot 6 Bifurcation
x4 or x8 Bifurcation
Slot 7 Bifurcation
x16 or x4 or x8 or x4x4x4x8 or x8x4x4 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:
Steps
1.
Power 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.
54
Pre-operating system management applications