Eric, Thanks for all the info. If I were to use the UIDE.sys driver, where do I put the files? \FREEDOS\BIN ? How does the start up system know to use it?
Steve On Tue, Sep 19, 2023 at 2:38 PM Eric Auer via Freedos-user < freedos-user@lists.sourceforge.net> wrote: > > Hi! > > > I just installed Freedos 1.3 via USB. It works OK, but will not load the > > UDVD2 driver (it gets a #255 error). Will UIDE work instead? Or is the > > problem a bad HDD sector? > > The problem probably is not a bad sector in your harddisk. > > If you want to access a CD/DVD after booting from that same > boot CD/DVD, then you could also use the ELTORITO driver. > > For most other cases, you can use drivers like UDVD2. It > might also make a difference whether you boot from USB or > from harddisk (or SSD) as well. > > UIDE is newer than UDVD2. The newest versions of the drivers > available with source are probably here: > > http://mercurycoding.com/downloads.html > > http://mercurycoding.com/downloads/DOS/drivers/2021-10-30/2021-10-30.zip > > This contains a 2015 rdisk (with rdiskon) and UDVD2, > 2020 UIDE and xmgr (himem alternative), 2021 UHDD > and a 2022 readme text file. > > UIDE supports both optical and non-optical drives as > well as a cache. UHDD only does non-optical disks. > UHDD contains a cache, too. UDVD2 only supports > optical drives. UDVD2 can share the cache of UHDD > if you load UDVD2 after UHDD. > > Note the readme regarding which drivers are best in > which situation. Also note that depending on where > you got that 255 error, it may mean XMS memory error! > > If that is what happened for you, then you may want > to try different combinations of memory drivers such > as JEMMEX, JEMM386, HIMEMX, XMGR etc. By default, > your FreeDOS installation will already offer a few > combinations in your boot menu. Try those :-) > > If your mainboard supports AHCI, it may belp to > disable AHCI mode in your BIOS / CMOS settings. > > Alternatively, you can use AHCICD by the late R. Loew: > https://rloewelectronics.com/distribute/AHCICD/1.1/ > You can ignore the warning about the expired HTTPS. > > Japheth has created an unreal mode variant of it, too: > https://github.com/Baron-von-Riedesel/AHCICDU > > You can also find updates for JEMM and HIMEMX on > Japheth's GitHub "Baron von Riedesel", even his > HIMEMSX to use more than 4 GB RAM :-) > > Regards, Eric > > > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user >
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