Bitland LAN card Preboot Execution Environment (PXE) boot option disappears after configured in RAID mode with external graphics and LAN adapter - ThinkCentre M92, M92p
In systems that are using external graphics and a LAN adapter after configured as RAID mode, the PXE boot option of external LAN cards does not appear in the boot sequence and cannot be invoked. This only occurs in RAID mode when the onboard Ethernet PXE option is enabled.
The above symptom is associated with, but not limited to, the following systems:
ThinkCentre M92, M92p
Disable the onboard Ethernet PXE boot by setting "Device->Network Setup -> Boot Agent" to "Disabled" in the Setup.