Here's a brief description of each diskette from the Gazelle in the VCF collection in Wall, NJ. Richard Cini - October 9, 2017 DISK DESCRIPTION ============ ====================================================== 86DOS10T.IMD 86-DOS version 1.0 SN# 0282, Tarbell 86DOS11T.IMD 86-DOS version 1.1 SN# 1023, Tarbell BAS86V5T.IMD BASIC-86 version 5.21 and 86-DOS 1.0, SN#B126, Tarbell MDOS125T.IMD MS-DOS version 1.25 SN# MS-290, Tarbell MSDOS20T.TD0 } MS-DOS version 2.0 Series #86, Tarbell MSDOS20T.IMD } MSPAS2D1.IMD MS-PASCAL-86 version 2.0 SN #P26 Disk 1 MSPAS2D2.IMD MS-PASCAL-86 version 2.0 SN #P26 Disk 2 MSPAS205.IMD MS-PASCAL-86 version 2.05 SN #PUP-576 ("update") MSPAS304.IMD MS-PASCAL-86 version 3.04 SN #1016 MSPAS311.IMD MS-PASCAL-86 version 3.11 SN #P-2125 MSPASPR1.IMD MS-PASCAL pre-release 11-9-81 SN #P-14 Disk 1 MSPASPR2.IMD MS-PASCAL pre-release 11-9-81 SN #P-14 Disk 2 Original utilities disk was not readable but Bitsavers has a copy with a later serial number than the VCF one (VCF's is #107).