BFALN specification - Key = '002E'

DALBFALN specifies the buffer alignment. It is mutually exclusive with the GAM-I/O count key (DALGNCP). When you code DALBFALN, # and LEN must be one, and PARM contains one of the following values:
X'01'
Fullword not a doubleword boundary (F)
X'02'
Doubleword boundary (D)
Example: To specify doubleword boundary, code:
KEY    #      LEN    PARM
002E   0001   0001   02