Alan Folsom wrote:
>
> I hope someone can help with this...
>
> I have a device driver written to communicate bidirectionally to a custom
> scanner. On one linux box (redhat 7.0) this works fine, on the other
> (identical operating system), the driver never receives an interrupt when
> nFault goes low attempting to initiate a reverse transfer. I've checked /proc
> and ioports, interrupts, etc are all the same. /etc/modules.conf are
> identical, kernel is identical, everything, as near as I can tell.
The parallel port chipset is probably different ?
As a starting point you could try to identify the chipset
(http://home.t-online.de/home/gunther.mayer/lssuperio-0.61.tar.bz2 can help),
then work on with the datasheets.
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This archive was generated by hypermail 2b29 : Thu May 24 2001 - 04:13:16 EDT