BIOS / Int / Int 6F / 0B

             INT 6F - 10-NET - LOCK SEMAPHORE, RETURN IMMEDIATELY

Input			Output
AX	0Bh	Drive Number/0		Status	AX
BX					BX
CX					CX
ES:DI	Ethernet address or 0				DX
DS:DX	31 byte ASCIIZ semaphore name				CF

Status:         0 = Successful
                1 = Semaphore currently locked
                2 = Server not responding
                3 = Invalid semaphore name
                4 = Semaphore list is full
                5 = Invalid drive ID
                6 = Invalid Ethernet address
                7 = Not logged in
                8 = Write to network failed
                9 = Semaphore already logged in this CPU

Note:         Same as INT 60/AH=12h