Simtel MSDOS Archive CDROM, June 1996.  Walnut Creek CDROM.
 -----------------------------------------------------------
 Microsoft product support
 path: \disc2\microsft 
 -----------------------------------------------------------
ga0363.zip   Microsoft diagnostics utility MSD, vers. 2.00
himem278.zip Microsoft's MS-DOS XMS driver, v2.78, 11/11/91
pd0445.zip   Replacement DOSSWAP.EXE for MS-DOS 5.0. 911005
pd0485.zip   Listing of MS-DOS 5.0 messages w/descriptions
pd0646.zip   Updated CHKDSK.EXE & UNDELETE.EXE for DOS 5.0
pd0805.zip   Microsoft update: SMARTDRIVE v4.2 for DOS 6.0
ww0530.zip   MS Appl Note: SMARTDrive & 32-bit disk access