User's Manual

DescriptionName
Whether the SD card drives are enabled or disabled. This can be one of
the following:
• Disabled—Disables the SD card drives. The SD card drives are
not detected by the BIOS and operating system.
• Enabled—Enables the SD card drives.
USB Port: SD Card
PCI Configuration Parameters
DescriptionName
Whether to enable or disable memory mapped I/O of 64-bit PCI
devices to 4GB or greater address space. Legacy option ROMs
are not able to access addresses above 4GB. PCI devices that
are 64-bit compliant but use a legacy option ROM may not
function correctly with this setting enabled. This can be one of
the following:
• Disabled—The server does not map I/O of 64-bit PCI
devices to 4GB or greater address space.
• Enabled—The server maps I/O of 64-bit PCI devices to
4GB or greater address space.
Memory Mapped I/O Above 4GB
Allows you to set the level of ASPM (Active Power State
Management) support in the BIOS.This can be one of the
following:
• Disabled—ASPM support is disabled in the BIOS.
• Force L0s—Force all links to L0 standby (L0s) state.
• Auto—The CPU determines the power state.
ASPM Support
Cisco UCS C-Series Servers Integrated Management Controller CLI Configuration Guide, Release 1.5
OL-28893-01 215
BIOS Parameters by Server Model
Advanced BIOS Parameters for C220 and C240 Servers