1979-04-27 /BB-H580C-SB_1981/02/schio1.rel 1979-04-27 /ap-c800d-sb/02/schio1.rel 1980-01-09 /dbmsv5a/03/schio1.rel 1985-09-25 /BB-H580E-SB_1985/03/schio1.rel 1985-09-25 /cobol12c/03/schio1.rel