On Mon, Jul 30, 2001 at 05:11:32PM -0500, David Lambert wrote:
> I just wasted the best part of the day debugging my user mode ECP
> driver only to find that I had inadvertently set the parallel port
> to 'standard' in the BIOS. The software negotiated to ECP mode
> fine, but when it came time to read, the peripheral's data lines
> were clobbered, due to the hardware drivers not reversing. My
> question is. Is there any way of my driver detecting the mode that
> the BIOS has set the hardware?
Writing different values to the data port and reading them back?
Tim.
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This archive was generated by hypermail 2b29 : Mon Jul 30 2001 - 19:16:27 EDT