Int 14 Fn 0D  - Mbbios Paccom Support - Set Txd                            [S]

   AH = 0Dh
   AL = new setting (FFh = 1.0)

Return: nothing
Desc:  specify the time from RTS to start or packet

See Also: AX=0D00h,AH=0Eh"MBBIOS",AH=0Fh"MBBIOS"