Supermicro SuperServer 8048B-TRFT, User Manual

Page: 59 / 84

Chapter 7: BIOS
7-13 7-12
SUPERSERVER 8048B-TRFT USER'S MANUAL
EV DFX (Device Function On-Hide) Feature
When this feature is set to Enable, the EV_DFX Lock Bits that are located on a
processor will always remain clear during electric tuning. The options are
Dis-
able and Enable.
IIO0 Configuration
IOU0 (II0 PCIE Port 2)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto .
IOU1 (II0 PCIE Port 3)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto .
PCI-E Completion Timeout
Select Enable for PCI-E Completion Timeout support for electric tuning. The
options are
Enable and Disable.
PCI-E Completion Timeout Value
Use this item to set the PCI-E Completion Time-out value for electric tuning.
Enter a value between 260ms to 900ms.

PCI Express Port 0 (DMI)
Note : For PCI Express Port 1A/Port 1B/Port 2A/Port 2B/Port 2C/Port 2D/
Port 3A/Port 3B/Port 3C/Port 3D, see the next section.
Use the items below to configure the PCI-E settings for a PCI-E port specified
by the user.
The following items will display:
•
PCI-E Port Link Status
•
PCI-E Port Link Max
•
PCI-E Port Link Speed
Link Speed
Use this item to select the PCI-E link speed for the PCI-E port specified by the
user. The options are GEN1 (2.5 GT/s), GEN2 (5 GT/s), and
Auto
.
Override Max Link Width
Use this feature to set the link speed for a selected PCI-E port to override the
maximum link-width which was previously set by PCI-Bifurcation. The options
are
Auto , x1, x2, x4, x8, and x16.
PCI-E Port DeEmphasis
Use this item to select the De-Emphasis control setting for a PCI-E port specified
by the user. The options are -6.0 dB and -3.5 dB.
PCI-E ASPM Support
Select Enable to support the Active State Power Management (ASPM) level for
a PCI-E port specified by the user. Select Disabled to disable ASPM support.
The options are Disable and L1 Only.
Fatal Err (Error) Over
Select Enable to force the fatal error propogation to the II0 core-error-logic for
the port specified by the user. The options are Disable and Enable.
Non-Fatal Err (Error) Over
Select Enable to force non-fatal error propogation to the II0 core-error-logic for
the port specified by the user. The options are
Disable
and Enable.
Corr (Correctable) Err (Error) Over
Select Enable to force correctable error propogation to the II0 core-error-logic for
the port specified by the user. The options are Disable and Enable.
L0s Support
When this item is set to Disable, II0 will never put its transmitter in the L0s state.
The options are
Disable and Enable.

PCI Express Port 1A/Port 1B/Port 2A/Port 2B/Port 2C/
Port 2D/Port 3A/Port 3B/Port 3C/Port 3D
Use the items below to configure the PCI-E settings for a PCI-E port specified
by the user.
The following items will display:
•
PCI-E Port Link Status
•
PCI-E Port Link Max
•
PCI-E Port Link Speed