On 3/20/2020 6:55 PM, mich...@robinson-west.com wrote:
As this is an industrial single board computer that's 20 years old,
I'm wondering if I can get the source code to the bios?
I guess you would have to check with the manufacturer for this. I know,
dealing with a company in Shenzen can be a bit tedious, but I also
encountered some folks over there who are quite eager to help...
Windows XP picks up the floppy controller, it just gets an
unrecognized error when I try to format a disk.
Freedos 1.3 tries to use the floppy drive, but I cannot format a disk
there either getting a DMA overrun error.
When you say XP "picks up the floppy controller", what are the resource
values shown in the device manager?
It could be that the addon card (that's the one that provides the floppy
interface, right?, I only got a one page "datasheet" for a EVOC
FSC-1714VNA board, which lists only 2 IDE interfaces) is not using the
default floppy controller ports, though at least through the IBM-AT and
PS/2 models, the IBM BIOS (and probably all Phoenix/Award version of
that time) allowed for 4 floppy drives).
I also remember to have had problems using a 4 floppy drive setup in a
newer (back in the mid '90s) PC because the BIOS dropped the support for
the 3rd and 4th drive and we needed to use a special driver, that was
intercepting the default BIOS interrupt calls to the floppy drives to
deal with those additional floppys on the addon controller board due to
the use of a different (set of) I/O port(s)...
Ralf
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