Displaywriter System Communications Diagnostics (ABC005-1, P/N 4466806) 1983 IBM Displaywriter System Communications Diagnostics (ABC005-1D, P/N 4466806) 1983 IBM Displaywriter System Diagnostics (CED012-2D, P/N 4466805) 1983 IBM Displaywriter System Diagnostics (CED011-2D) 198? IBM Displaywriter System Diagnostics (CED012A-1, P/N 6079274, SUB 4466804) 1983 IBM Displaywriter System Diagnostics (CED012A-2D, P/N 6079275, SUB 4466805) 1983 IBM Displaywriter System Diagnostics (CED013A-1) 1983 IBM Displaywriter System Diagnostics (CED013A-2D, P/N 6079203) 1983 IBM Displaywriter Problem Determination Diskette (PDD012A-1, P/N 6079279, SUB 4466807) 1983 IBM Displaywriter Problem Determination Diskette (PDD012A-2D, P/N 6079280, SUB 4466808) 1983 IBM Displaywriter Problem Determination Diskette (PDD013-1) 1983 IBM Displaywriter Textpack 1 (1AANFA) 198? IBM