Timer value logged at the point just prior towhen the OS loader gaining control back from calls the ExitBootServices function for UEFI compatible firmware. For non-UEFI compatible boots, this field must be zero.
See Implementation
Timer value logged at the point just prior towhen the OS loader gaining control back from calls the ExitBootServices function for UEFI compatible firmware. For non-UEFI compatible boots, this field must be zero.