LinuxSA Mailing list archives

  From: David Underwood <@tiamco.com>
  To  : LinuxSA <linuxsa@linuxsa.org.au>
  Date: Sat, 29 Jan 2000 11:15:21 +0000 (GMT)

Re: Re: Printtool

On Sat, 29 Jan 2000 Daryl Tester  wrote:
> Mike Andrew wrote:
> 
> >> alias parport_lowlevel parport_pc
> >> options parport_pc io=0x378 irq=7
> 
> > I know you dont have a problem, by i would recommend you knock out the
> > unnecessary options line. Or at the very least the irq statement.
> 
> You're probably right; at the time I needed the printer up and
> running as quickly as possible, and I snarfed this result from
> somewhere (most likely a newsgroup posting).  I'll try removing
> it later when I have the luxury of playing with the settings.
> 
> > It's swallowing a scarce IRQ for something that is too slow to be
> > useful and can in fact cause hiccups in the print drivers.
> 
> What makes the PC hardware different?  From my old device driver
> days (different architecture), interrupt driving a "slow" peripheral
> was much more resource efficient than polling the device, especially
> on the CPU.  Or is it something peculiar to Linux?
> 
> Regards,
>   Daryl Tester
> 
> -- 
> LinuxSA WWW: http://www.linuxsa.org.au/  IRC: #linuxsa on irc.linux.org.au
> To unsubscribe from the LinuxSA list:
>   mail linuxsa-request@linuxsa.org.au with "unsubscribe" as the subject
> 


     
  A better way to Trade

  http:\\www.tiamco.com/direct