On Sun, Jul 17, 2016 at 5:21 PM, Dimitris Zilaskos <dimitr...@gmail.com> wrote:
> Hi,
>
> I am trying to install FreeDOS on my old 486. Version 1.0 will boot from
> floppy (only with himem, emm3886 with crash), detect CDROM drive (only if
> connected on Vesa Local bus controller, not on SB16 IDE - tertiary ide IDE

It is likely that you'll require you sound card manufacturer's CDROM
driver to have it recognize the IDE channel there.  The VLB card is
likely recognized natively by the BIOS and/or registering itself in
such a way that its channels are "natively" available to the BIOS.

> channel) , and install happily. However upon reboot it just hangs , without
> printing anything.

Are you sys'ing the C: drive after install?  Run `sys c:` after the
install program.

>
>
> Versions 1.1 and 1.2 floppy bootdisks either hang on boot printing odd
> characters or will not detect the CDROM.

Which specific bootdisks do what?

>
> System is a 486DX4-100, 32 MB RAM.VESA Local Bus controller with primary IDE
> loaded with 2 HDD - 6 GB and 4 GB, secondary IDE the CDROM. BIOS supports
> boot only from floppy and hdd. SB16 CT2290 used to handle the CDROM drive
> via its IDE interface - now I moved the CDROM drive to the VESA card.
> Windows 98SE happily gets installed and works on this system.
>

Win98SE has much more capable HW detection & driver routines.  FreeDOS
(like all DOSes) depends on the BIOS and whatevers you supply it.

> Is there a recommended strategy to get FreeDOS installed on such an ancient
> system? Did some research and tried several bootdisks that float around,
> nothing worked quite like FreeDOS 1.0.

If you're willing to test FDI 1.2, download the beta boot floppy [0],
and the cdrom iso [1].  Make sure the boot floppy can recognize your
two hard drives and your CD-ROM.  Add drivers and edit
autoexec.bat/fdconfig.sys as necessary (especially wrt to ensuring
CD-ROM access).  Install FD 1.2 beta.  `sys c:` at the end of your
install.

[0] http://dnld.lod.bz/FDI-2016-07-17-0.pre.zip
[1] 
http://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/distributions/1.2/repos/cdrom.iso

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