COMe-bV26 - Rev. 1.0, User Guide
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Sub-Screen
Function
Second level Sub-Screen/Description
PCI Subsystem
Settings>
SR-IOV Support
SR-IOV capable devices single root IO virtualization support
[Enabled, Disabled]
BME DMA Mitigation
Re-enables Bus Master Attribute disabled during PCI
enumeration for PCI bridges after SMM Locked
[Enabled, Disabled]
Warning:
Changing PCI devices(s) settings may have unwanted side effects! System may hang!
PROCEED WITH CAUTION.
USB
Configuration>
Legacy USB Support
Auto: disables legacy support if no USB devices connected.
Disable: keeps USB devices available only for EFI application.
[Enabled, Disable, Auto]
XHCI Hand-off
Work around for OS(s) without XHCI hand-off support. The XHCI
ownership change should be claimed by XHCI driver.
[Enable, Disable]
USB Mass Storage
Driver Support
[Enable, Disable]
USB Hardware Delays and Time-outs
USB Transfer Time-out
Timeout value for control, bulk, and interrupt transfers.
[1 sec, 5 sec, 10 sec, 20 sec]
Device Reset Time-out
USB mass storage device start unit command time-out.
[10 sec, 20 sec, 30 sec, 40 sec]
Device Power-up Delay
Maximum time device takes to report to Host controller. Auto
used default value for a root port (100 ms). For a HIB port the
delay is taken from Hub descriptor.
[Auto, Manual]
Mass Storage Devices
Pi-KVM CD-ROM Drive
0510
Auto: enumerates devices according to their media format.
Optical drives are emulated as CD-ROM drives. Drives with no
media will be emulated according to drive type.
[Auto, Floppy, Forced FDD, Hard Disk, CDRom]
Network Stack
Configuration>
Network Stack
[Enabled, Disabled]
CSM
Configuration
CSM Support
NVMe
Configuration
Depends on configuration
Demo Board>
Onboard PCIE LAN PXE
ROM
[Enabled, Disabled]
PCI-E Port>
PCI-E Port
Control
Skip page set up and use default CRB
settings
[Enabled, Disabled]
Device (*) Fun (*)
[Enabled, Disabled, Auto]
ASPM Mode
Dev# ( *) /
Func# (*)
NB Root port ASPM mode control
[Disabled, L0s Entry, L1 Entry, L0s and L1
Entry, Auto]
