Re: [PARPORT] Re: problems with parallel port IRQ detection

Chris Smith (localnews@stoneboro.uucp.cirr.com)
Sun, 8 Feb 98 09:34 CST


Philip Blundell <Philip.Blundell@pobox.com> writes:

| >MSB 7 6 5 4 3 2 1 0 LSB
| > ^ ^
| > | |
| > --------- takes these three bits, and stores the value (range
| >will be 0-7) in irq
|
| Thanks. I understood that much already. The problem is that I don't know
| how the contents of the "configB" register is defined and I have no idea
| whether the bits in question really do constitute a valid magic number to
| derive an IRQ from.

The Microsoft ECP spec is at http://www.fapo.com/files/ecp_reg.pdf.
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