Intel Extensible Firmware Interface Specification page 450

Extensible Firmware Interface Specification
// The following configuration parameters are optional and must
// be zero
PXE_UINT8 Duplex;
PXE_UINT8 LoopBack;
} PXE_CPB_INITIALIZE;
#pragma pack()
#define PXE_DUPLEX_DEFAULT
#define PXE_FORCE_FULL_DUPLEX
#define PXE_ENABLE_FULL_DUPLEX
#define LOOPBACK_NORMAL
#define LOOPBACK_INTERNAL
#define LOOPBACK_EXTERNAL
G.4.7.2 Waiting for the Command to Execute
Monitor the upper two bits (14 & 15) in the
report
PXE_STATFLAGS_COMMAND_COMPLETE
the command has not been executed by the UNDI.
StatFlags
COMMAND_COMPLETE
COMMAND_FAILED
COMMAND_QUEUED
INITIALIZE
432
to use the default values.
CDB.StatFlags
Reason
Command completed successfully. UNDI and network device is now
initialized. DB has been written.
Command failed. StatCode field contains error code.
Command has been queued.
Command has been not executed or queued.
12/12/00
0x00
0x01
0x02
0
1
2
field. Until these bits change to
or PXE_STATFLAGS_COMMAND_FAILED,
Version 1.02