Wilhelm is correct. The audio CD uses CDDA, which is not readable as a DOS filesystem. It is a music industry standard. More info here:
https://en.m.wikipedia.org/wiki/Compact_Disc_Digital_Audio Jim On Wed, Mar 9, 2022, 3:06 AM Wilhelm Spiegl <wilhelm.spi...@mail.com> wrote: > please check with a file cd. If i remember right a music cd has no file > system that you can open with a standard tool like dir. > > -- > Diese Nachricht wurde von meinem Android Mobiltelefon mit mail.com Mail > gesendet. > Am 09.03.22, 02:42 schrieb "richardkolacz...@hotmail.com" < > richardkolacz...@hotmail.com>: > >> Tom - thanks for suggestion (re try AHCICD.sys) >> >> >> . >> >> I downloaded AHCICD.sys and on booting up FreeDOS RC5 from a USB stick in >> bare metal mode, the relevant parts of the process are:- >> >> >> >> UHDD.sys >> UHDD, 10-30-2021 5-MB cache >> Bios-handled disks : 3 >> 1 char device installed >> Driver loaded >> >> set _CDROM.DRVR = AHCICD >> >> Attempt to use the AHCICD CD driver >> >> success (in green) >> >> Attempting to load SHSUCDX CD extentions >> >> success (in green) >> >> Successfully started the CD driver and extentions for >> drive F: (F: in green) (FDCDX001) >> >> ... Done Processing start up files FDconfig.sys and FDauto.bat >> >> >> >> >> When I tried dir F:\ (F:\ is the DVD drive built into my laptop) with >> an audio CD in the tray - I get the following error message:- >> >> >> Volume in drive F Error reading from dive F: data area: drive not ready >> (A)bort, (R)etry, (F)ail? >> >> >> At this stage all I wanted to do was to get only a directory list of what >> is on the music CD in the DVD tray. >> >> >> Any pointers (anyone) of what else I need to do? >> >> >> This is the first time ever for me to, in DOS, ever tried to access a DVD >> drive - so it was helpful that the DVD was "installed". >> >> Richard >> >> ------------------------------ >> *From:* tom ehlert <t...@drivesnapshot.de> >> *Sent:* Thursday, 3 March 2022 10:46 PM >> *To:* Technical discussion and questions for FreeDOS developers. < >> freedos-devel@lists.sourceforge.net> >> *Subject:* Re: [Freedos-devel] Thinking about FreeDOS 2.0 >> >> >> >> > At present the built in DVD drive (on the HP laptop) is not >> > working with FreeDOS (will try to spend more time to solve this >> > problem) - have yet to try an external USB DVD blue-ray (but this >> > will be a while before I try). I have no CD only drives at all. >> >> there is a good chance that your BIOS uses AHCI mode for the DVD, and >> your DVD driver supports only SATA/legacy mode. >> >> try to use AHCICD.SYS >> >> >> Tom >> >> >> >> _______________________________________________ >> Freedos-devel mailing list >> Freedos-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/freedos-devel >> _______________________________________________ Freedos-devel mailing >> list Freedos-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/freedos-devel > > _______________________________________________ > Freedos-devel mailing list > Freedos-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-devel >
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