User's Manual

DescriptionName
Whether Option ROM is available on the LOM port designated by n.
This can be one of the following:
• Disabled—Option ROM is not available on LOM port n.
• Enabled—Option ROM is available on LOM port n.
• —The expansion slot n is available for UEFI only.
• —The expansion slot n is available for legacy only.
LOM Port n OptionROM
Whether the server can use the PCIe Option ROM expansion slots. This
can be one of the following:
• Disabled—PCIe Option ROMs are not available.
• Enabled—PCIe Option ROMs are available.
• —The expansion slot n is available for UEFI only.
• —The expansion slot n is available for legacy only.
All PCIe Slots OptionROM
Whether PCIe expansion slot n is available to the server. This can be
one of the following:
• Disabled—The expansion slot n is not available.
• Enabled—The expansion slot n is available.
• —The expansion slot n is available for UEFI only.
• —The expansion slot n is available for legacy only.
PCIe Slot:n OptionROM
This option allows you to restrict the maximum speed of an adapter
card installed in PCIe slot n. This can be one of the following:
• GEN1—2.5GT/s (gigatransfers per second) is the maximum speed
allowed.
• GEN2—5GT/s is the maximum speed allowed.
• GEN3—8GT/s is the maximum speed allowed.
• Disabled—The maximum speed is not restricted.
For example, if you have a 3
rd
generation adapter card in PCIe slot 2
that you want to run at a maximum of 5GT/s instead of the 8GT/s that
card supports, set the PCIe Slot 2 Link Speed to GEN2. The system
then ignores the card's supported maximum speed of 8GT/s and forces
it to run at a maximum of 5 GT/s.
PCIe Slot:n Link Speed
Cisco UCS C-Series Servers Integrated Management Controller CLI Configuration Guide, Release 1.5
250 OL-28893-01
BIOS Parameters by Server Model
Advanced BIOS Parameters for C420 Servers