COMe-cTL6 – User Guide Rev. 1.7
// 87
Sub-Screen
Function
Second level Sub-Screen/Description
Intel TXT
Information>
Read only field
Chipset, BiosAcm. Chipset Txt, CPU Txt, Error code, Class code, Major code and Minor code
Switchable
Graphics>
SG Mode Select
Muxless
PCI Subsystem
Settings
PCI Settings Common for all Devices
Re-Size BAR Support
If Resizable BAR capable PCIe deviecs are present, this option
enables or disables Resizable BAR 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 Device(s) settings may have unwanted side effects! System may HANG!
PROCEED WITH CAUTON
USB
Configuration>
Read Only Field
USB Configuration: USB Module Version, USB Controllers (2 XHCIs) USB Devices (drives,
keyboard, mouse, hub)
Legacy USB Support
Enables legacy USB support. Auto disables legacy support if no
USB devices are connected. Disable keeps USB devices
available only for EFI applications.
[Enabled, Disabled, Auto]
XHCI Hand-off
Known work around for OSes without XHCI hand-off support.
The XHCI ownership change should be claimed by XHCI driver.
[Enabled, Disabled]
USB Mass Storage Driver
Support
[Enabled, Disabled]
USB hardware delays and time-outs:
USB transfer time-out
Time out value for Control, Bulk and Interrupt.
[1 sec, 5 sec, 10 sec, 20 sec]
Device reset time-out
USB mass storage device Start Unit command time-out.
[1 sec, 5 sec, 10 sec, 20 sec]
Device power-up delay
Maximum time device takes before reporting to the host
controller properly.
Auto uses default value (for a root port 100 ms and for a Hub
port the delay is taken from hub descriptor).
[Auto, Manual]
Mass Storage Devices:
Pi-KVM CD-ROM Drive
0510
Mass storage device emulation type. Auto enumerates devices
according to their media format. Optical drives are emulated as
CDROM, drives with no media will be emulated according to
drive type.
[Auto, Floppy, Forced FDD, Hard Disk, CD-Rom]
Network Stack
Configuration >
Network Stack
UEFI Network Stack
[Enabled, Disabled]
CSM
Configuration>
CSM Support
Enables or disables CSM Support.
[Enabled, Disabled]