OS 400 By Ulises2123421 Aug 26, 1988 V1R1 Nov 25, 1988 V1R1M2 Oct 27, 1989 V1R2 Sep 28, 1990 V1R3 May 24, 1991 V2R1 Mar 6, 1992 V2R1M1 Dec 17, 1993 V2R3 May 4, 1994 V3R0M5 Nov 25, 1994 V3R1 Dec 22, 1995 V3R6 Jun 21, 1996 V3R2 Nov 8, 1996 V3R7 Aug 29, 1997 V4R1 Feb 27, 1998 V4R2 Sep 11, 1998 V4R3 May 21, 1999 V4R4 Jul 28, 2000 V4R5 May 25, 2001 V5R1 Aug 30, 2002 V5R2
