VersaLogic VL-EPU-4011 Reference Manual page 60

System Setup
---- TXE Debug Option ----
Option: End Of Post
Disabled
Enabled (default)
Details: If disable, BIOS will not Send End of Post Message.
Option: Lock Directory
Disabled (default)
Enabled
Details: If enable, BIOS will lock SETUP variable after end of post.
---- PTT Debug Option ----
Option: Suppress PTT Commands
Disabled (default)
Enabled
Details: Bypass TPM2 commands submitting to PTT FW.
---- TDO GPIO Pin Switch ----
Option: TDO GPIO Pin
Disable
Enable (default)
Auto
Details: If Auto is selected, TDO will be disabled for A0 silicon only. For other steppings,
TDO will be enabled.
Option: SMRR
Disable
Enable (default)
Details: Disable/Enable SMRR
VL-EPU-4011 BIOS Reference Manual 60