DJGPP + backplane + PCI + interrupts

Started by Slavisa Zigic December 27, 2007
We are trying to use PCI backplane with multiple PCI cards including USB
card.  The embedded processor is X86 with DOS and 32 bit extension
(DPMI).  The PCI cards are producing shared interrupts and we are having
problems of different types, which we suspect are either in our driver
software or in the hardware (PCI cards) including the transparent chips
in the backplane.  We would appreciate if someone with experience in a
similar system can advise us or act as a consultant.


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