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

Chris Smith (localnews@stoneboro.uucp.cirr.com)
Tue, 10 Feb 98 00:16 CST

| [ECP]
| spend an afternoon writing a driver for it -- if you don't find three
| unfixable race conditions in the first half hour you're not trying.)

That was too harsh -- it's only Fast Centronics mode that has problems,
and that only if you want to switch between read and write. Most printers
are old enough to have front panels or new enough to do ECP. But if you
want to do bidirectional I/O safely, mode 2 can't do it.
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