From: nigel@gamble.uucp (Nigel Gamble) Subject: Re: Parallel port irq's Date: Thu, 14 Jan 1993 04:58:45 GMT
In <C0qy7C.1Bq@brunel.ac.uk> cs89rdb@brunel.ac.uk (Roger D Binns) writes:
>Can someone please state unequivocally wether or not Linux uses interrupts
>when printing to the parallel port. I have my soundblaster on IRQ 7, and
>do not want to change it, as lower irq's (2 & 5) are used already.
As of 0.99pl2, Linux does not use interrupts when printing to the parallel
port.
However, (and excuse me while I equivocate :-), a new version of the
parallel driver can be found in
tsx-11.mit.edu:/pub/linux/ALPHA/lp/lpirq.1.tar.Z
which does use IRQ 7 by default. A simple control program is included
in the tar file which allows the IRQ to be changed, or the old polling
mode to be used, so even if a future version of the kernel includes
this driver, you will still be able to have your soundblaster on IRQ 7
if you execute this program from your /etc/rc.local startup file.
-- Nigel Gamble gamble!nigel@uunet.UU.NET Ft. Lauderdale, FL uunet!gamble!nigel