User's Manual

DescriptionName
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
Allows you to set the priority for VGA graphics devices if
multiple VGA devices are found in the system. This can be one
of the following:
• Onboard—Priority is given to the onboard VGA device.
BIOS post screen and OS boot are driven through the
onboard VGA port.
• Offboard—Priority is given to the PCIE Graphics adapter.
BIOS post screen and OS boot are driven through the
external graphics adapter port.
• —Priority is given to the PCIE Graphics adapter, and the
onboard VGA device is disabled.
The vKVM does not function when the onboard
VGA is disabled.
Note
VGA Priority
Serial Configuration Parameters
DescriptionName
Allows a serial port to be used for console redirection during POST and
BIOS booting. After the BIOS has booted and the operating system is
responsible for the server, console redirection is irrelevant and has no
effect. This can be one of the following:
• Disabled—No console redirection occurs during POST.
• Enabled—Enables console redirection on serial port A during
POST.
Console Redirection
Cisco UCS C-Series Servers Integrated Management Controller CLI Configuration Guide, Release 1.5
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BIOS Parameters by Server Model
Advanced BIOS Parameters for C420 Servers