NEC express5800 A2010b - Page 480

2. Operation Mode
Chapter 4 Appendix
I/O related (PCI Link Speed)
Advanced menu
→
PCI Configuration
→
PCI Link Speed Settings
Operation mode
Parameter
([ ]: Default setting)
When
applied
Description
PCI1-16 LinkSpeed
Limit
2.5GT/s
5.0GT/s
[8.0GT/s]
At next boot Specify the upper limit of link speed for PCI
slot.
2.5GT/s: Let the slot work at 2.5GT/s.
5.0GT/s: Let the slot work at 5.0GT/s.
8.0GT/s: Let the slot work at 8.0GT/s.
I/O related (Others)
Advanced menu
→
PCI Configuration
Operation mode
Parameter
([ ]: Default setting)
When
applied
Description
ASPM Support [Disabled]
Auto
Force L0s
OSPM
At next boot Enable or disable the power-saving feature
(Active State Power Management) for PCI
device. When this feature is enabled, the process
to reset PCIe link is performed by OS. By this, a
correctable error may occur on PCIe Link,
however, this is not an error. You can continue
the normal operation.
Disabled: Disables the power-saving feature to
PCI device.
Auto: Makes the power-saving feature to PCI
device to the highest level within the allowable
range.
Force L0s: Makes the power-saving feature to
PCI device to "L0s" state.
OSPM: Setting of power-saving feature to PCI
device depends on OS.
MMIOH [Disabled]
Enabled
At next boot Enable or disable MMIOH (Memory Mapped I/O
Space over 4GB).
Disabled: Disables the feature.
Enabled: To be enabled when I/O card that
supports MMIOH is used.
Fixed PCI Bus F.O. Disabled
[Enabled]
At next boot Specify whether the fixed PCI bus number is to
be assigned to PCI card at BMC failover.
This item is displayed only for other than
Express5800/A1040b.
Enabled: The same PCI bus number is assigned
to PCI card before and after failover. Use this
setting if you are using Linux OS.
Disabled: The different PCI bus number is
assigned to PCI card before and after failover.
Use this setting if you are using an OS other than
Linux.
I/O Space Skip List Disabled
[Enabled]
At next boot Enable or disable the feature to skip allocation of
Legacy I/O Space for the specific PCI card. Set
this item to Enabled unless the allocation of
Legacy I/O Space is required specifically.
Enabled: Enables the feature. Legacy I/O Space
cannot be allocated to the specific PCI card.
Disabled: Disables the feature. Legacy I/O Space
can be allocated to the specific PCI card as well
as the normal PCI card.
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
480