Odd RS232 problem

Daniel O'Connor doconnor at gsoft.com.au
Tue May 23 04:49:07 PDT 2006

On Tuesday 23 May 2006 19:45, Peter Jeremy wrote:
> On Tue, 2006-May-23 19:23:20 +0930, Daniel O'Connor wrote:
> >I would hope that 9600 baud wouldn't be *too* fast for a 2GHz CPU :(
> That depends on what else is sharing the IRQ.  PLIP can give you
> 10's of msec of latency.  PIO disks can also destroy latency as
> can NE2000-style NICs.

Hmm, well I just realised I don't actually know what it IS sharing an IRQ with 
as puc/sio don't say :(

I don't have any ISA hardware or PIO disks in the system. I do have a parallel 
port which I am not using though.

Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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