CDEXT221.ZIP  Microsoft's MSCDEX.EXE v2.21 CD-ROM extensions
CDLOCK.ZIP    Lock Hitachi CD-ROM drive door against eject
CDNAP.ZIP     Set 'idle 9min -> nap' mode on Hitachi CD-ROM
CDPLAY.ZIP    Audio out utilities for Hitachi CD-ROM drives
CONVINDX.ZIP  Cvts CD-ROM INDEX.TXT to FILES.BBS for RA/QBBS
MSCDEX21.ZIP  Microsoft's doc: Talking to MSCDEX CD-ROM ext.