Subject: Re: lpt0 -> kernel hang in 1.2/i386
To: None <cracauer@wavehh.hanse.de>
From: Mike Long <mike.long@analog.com>
List: netbsd-help
Date: 02/28/1997 02:01:11
>Date: Wed, 26 Feb 97 11:16:35 +0100
>From: Martin Cracauer <cracauer@wavehh.hanse.de>
>
>banshee@gabriella.abattoir.com writes:
>> you could recompile to use the lpa device, but its slower than the
>> interrupting one.
>
>Sorry, how do I do this? As far as I know, NetBSD-1.2 has only one
>driver for the parallel port, lpt?.

There is only one driver.  Whether it uses interrupts or not depends
on how you configure it:

lpt0 at isa? port 0x378 irq 7

uses an interrupt, but

lpt1 at isa? port 0x278

does not.
-- 
Mike Long <mike.long@analog.com>     <URL:http://www.shore.net/~mikel>
VLSI Design Engineer         finger mikel@shore.net for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil