MS-DOS® Version 6.20 Step-Up




Label shots reprinted with permission from Microsoft® Corporation

Setup Screen:


Screen re-creation from original setup screen.
Screen Copyright ©Microsoft® Corporation

Package Contents:

Box shot(s) reprinted with permission from Microsoft® Corporation
Paper envelope, P/N: 54699
License agreement/low density disk option card, P/N: 54701
Disk 1, P/N: 55491
Disk 2, P/N: 55492

Collector's notes:
Rated: Moderately available.
Estimated Value: Mint-$40 VG-$35 G-$35.

Vital Statistics:

Release Date: September, 1993
Disks in Set: 2
Diskette Form Factor:5.25", DS,HD 15 sectors per track
Capacity: 1.2Mb
Sector Size: 512 bytes
Disk Sides: 2
Total Tracks: 80
File System: FAT12

Version String (Sector 7F3, Offset 6Bh):

11 8D 6A 1B B2 00 14 00 B0 00 00 4D 69 63 72 6F ¦            Micro

73 6F 66 74 20 4D 53 2D 44 4F 53 00 E8 20 36 2E ¦ soft MS-DOS   6.

32 20 53 65 74 75 70 00 FF 4C A1 03 1C 07 20 48 ¦ 2 Setup  


File Listing:


Disk 1 Setup:

09/30/1993  06:20a                  94 ANSI.SY#

09/30/1993  06:20a                 136 APPEND.EX#

09/30/1993  06:20a               5,706 ATTRIB.EX#

09/30/1993  06:20a              10,732 CHKDSK.EX#

09/30/1993  06:20a              34,928 COMMAND.CO_

09/30/1993  06:20a               9,974 COUNTRY.SY#

09/30/1993  06:20a              27,212 DBLSPACE.BI_

09/30/1993  06:20a             175,076 DBLSPACE.EX_

09/30/1993  06:20a              24,852 DBLSPACE.HL_

09/30/1993  06:20a                 562 DBLSPACE.IN#

09/30/1993  06:20a               8,387 DBLSPACE.SY_

09/30/1993  06:20a               3,122 DEBUG.EX#

09/30/1993  06:20a                 304 DELTREE.EX#

09/30/1993  06:20a                 978 DISKCOMP.CO#

09/30/1993  06:20a               3,226 DISKCOPY.CO#

09/30/1993  06:20a                  96 DISPLAY.SY#

09/30/1993  06:20a                 322 DOSKEY.CO#

09/30/1993  06:20a                  94 DRIVER.SY#

09/30/1993  06:20a                 190 FASTOPEN.EX#

09/30/1993  06:20a                  86 FC.EX#

09/30/1993  06:20a               3,458 FDISK.EX#

09/30/1993  06:20a                  96 FIND.EX#

09/30/1993  06:20a              20,060 FORMAT.CO#

09/30/1993  06:20a               1,180 GRAPHICS.CO#

09/30/1993  06:20a             267,126 HELP.HL_

09/30/1993  06:20a               8,174 HIMEM.SY#

09/30/1993  06:20a               1,240 INTERSVR.EX#

09/30/1993  06:20a              27,150 IO.SY_

09/30/1993  06:20a                  70 IOSYS.HDR

09/30/1993  06:20a               1,476 KEYB.CO#

09/30/1993  06:20a                 806 KEYBOARD.SY#

09/30/1993  06:20a               5,776 MEM.EX#

09/30/1993  06:20a              97,690 MEMMAKER.EX#

09/30/1993  06:20a                 828 MEMMAKER.HL#

09/30/1993  06:20a               1,306 MEMMAKER.IN_

09/30/1993  06:20a               1,476 MODE.CO#

09/30/1993  06:20a                 224 MORE.CO#

09/30/1993  06:20a               2,544 MOVE.EX#

09/30/1993  06:20a                 472 MSCDEX.EX#

09/30/1993  06:20a              28,101 MSDOS.SY_

09/30/1993  06:20a                  94 NLSFUNC.EX#

09/30/1993  06:20a                 552 PRINT.EX#

09/30/1993  06:20a              11,928 README.NOW

09/30/1993  06:20a              26,499 README.TX_

09/30/1993  06:20a                 574 REPLACE.EX#

09/30/1993  06:20a               1,010 RESTORE.EX#

09/30/1993  06:20a             117,425 SCANDISK.EX_

09/30/1993  06:20a               2,046 SCANDISK.IN_

09/30/1993  06:20a             107,751 SETUP.EXE

09/30/1993  06:20a               1,205 SETUP.MSG

09/30/1993  06:20a               6,649 SETVER.EX_

09/30/1993  06:20a                 104 SHARE.EX#

09/30/1993  06:20a              15,478 SMARTDRV.EX_

09/30/1993  06:20a                 172 SORT.EX#

09/30/1993  06:20a                 382 SUBST.EX#

09/30/1993  06:20a               6,990 SYS.CO#

09/30/1993  06:20a                 216 TREE.CO#

09/30/1993  06:20a              86,310 UNINSTAL.EXE

09/30/1993  06:20a              12,998 UPDATE.INI

09/30/1993  06:20a               2,836 XCOPY.EX#

              60 File(s)      1,176,549 bytes

               0 Dir(s)          21,504 bytes free



    1,213,952 bytes total disk space.

    1,192,448 bytes in 60 files.

       21,504 bytes available on disk.



          512 bytes in each allocation unit.

        2,371 total allocation units on disk.

           42 allocation units available on disk.



Disk 2:

09/30/1993  06:20a              75,056 DEFRAG.EX#

09/30/1993  06:20a              11,342 DELOLDOS.EX_

09/30/1993  06:20a               1,346 EGA.CP#

09/30/1993  06:20a              18,569 EGA2.CP_

09/30/1993  06:20a              18,256 EMM386.EX#

09/30/1993  06:20a              13,942 KEYBRD2.SY_

09/30/1993  06:20a                 479 MSD.CO_

09/30/1993  06:20a               3,812 MWUNDEL.EX#

09/30/1993  06:20a              18,754 UNDELETE.EX#

               9 File(s)        161,556 bytes

               0 Dir(s)       1,050,112 bytes free



    1,213,952 bytes total disk space.

      163,840 bytes in 9 files.

    1,050,112 bytes available on disk.



          512 bytes in each allocation unit.

        2,371 total allocation units on disk.

        2,051 allocation units available on disk.


MD5 Signatures:


IO   	SY_	A94D579EC94C7AFBFD0C98BC7B292C61

MSDOS   CO_	E50542F7C098BEF878DD89E406A9344E

COMMAND CO_	DF8A0DF87EC5ACF59BE7C049A7D78EF6



VER Command:	MS-DOS Version 6.20 (after applying Step-Up)


Version History:

Special release issued by Microsoft® Corporation to upgrade existing MS-DOS® 6.00 users only. The Step-Up updated key drivers, utilities, and codepage support. Of particular focus was the 6.20 Step-Up upgrade path for the disk compression software, offering better data protection.