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- CD_Check.COM is a TSR which fools PCBoard into reporting files found in
- an .IDX file exist even if the CD-ROM is not online. It works by taking
- over the DOS 21h interrupt and watching for a Find First Matching (4Eh)
- function call. If the Drive letter of the filespec is '@' then it copies
- the filespec to the DTA buffer filename area and zeros the DTA buffer
- area for Size, Date & Time.
-
- It should be loaded during your AUTOEXEC.BAT file and only takes up 256
- bytes of memory or less. You then need to change the Drive letter in all
- offline CD-ROM .IDX files using IDX-DRIV.EXE or IDX-RSET.EXE which will
- check each CD-ROM and drive listed in CDROM.DAT and set the drive letter
- on each path listed in the .IDX file to the drive where the CD-ROM was
- located or to '@' if the CD-ROM was not found online. At this time the
- only a single character drive letter change is supported by both these
- programs so those of you using a CD-ROM server will have to make manual
- changes to the paths using IDX-EDIT.EXE or running MAKEIDX again.
-
- Only the .IDX for the OnLine CD-ROMS should be listed in your DLPATH.LST
- file and ALL the .IDX files should be listed in the ALLFILES DLPATH.LST
- so PCBoard will only check the OffLine .IDX files during upload checking
- and not during downloads. IDX-RSET will take care of this automatically
- for you. You could also make a second copy of the .IDX files and use
- IDX-DRIV to set the copies to drive '@' and then list all the copies in
- the ALLFILES DLPATH.LST and list all the origionals in all of the normal
- DLPATH.LST files so you don't have to make changes as you change CD-ROM.
-
- IDX-DRIV also comes in handy when changing a CD-ROM to another drive, as
- you don't need to run MAKEIDX again just to change the drive letter.
-