Chapter 4: AMI BIOS
4-13
IIO1 Configuration
No PCIe Port Active ECO
Use this feature to select a workaround setting to implement the engineering-
change order (ECO) on the system when PCI ports are not active. The options
are PCU Squelch exit ignore option, and
Reset the SQ FLOP by CSR option
.
CPU2 SLOT3 PCI-E 3.0 X16/CPU2 SLOT2 PCI-E 3.0 X8/
CPU2 SLOT2 PCI-E 3.0 X8
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 Auto,
GEN1 (2.5 GT/s),
GEN2 (5 GT/s)
, and GEN3 (8
GT/s).
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 Auto, Disable, and
L1 Only
.
IOAT (Intel® IO Acceleration) Configuration
Enable IOAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology) support,
which will significantly reduce CPU overhead by leveraging CPU architectural
improvements and freeing the system resource for other tasks. The options are
Enable
and Disable.
No Snoop
Select Enable to support no-snoop mode for each CB device. The options are
Disable
and Enable.
