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To: Keith Mitchell <kmitch@phantasma.bevc.blacksburg.va.us>
cc: current@freebsd.org
Subject: Re: COM_MULTIPORT and -current 
In-reply-to: kmitch's message of Tue, 07 May 1996 02:29:12 -0400.
         <199605070629.CAA01151@phantasma.bevc.blacksburg.va.us> 
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Date: Tue, 07 May 1996 15:20:39 -0500
From: Randy Terbush <randy@zyzzyva.com>
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This same problem seems to exist in -stable as well. I encountered
this trying to get a UsenetII working. It didn't occur to me to
try the master on a different port....


> I have a STB 4port card that I got from a friend running -stable, and
> popped it into my -current system.  I changed all of the appropriate
> jumpers on the card.
> 
> He had his kernel config as (stable):
> 
> device          sio0    at isa? port "IO_COM1" tty irq 4 vector siointr
> device          sio1    at isa? port 0x3e8 tty flags 0x105 irq 15 vector siointr
> device          sio2    at isa? port 0x1e8 tty flags 0x105
> device          sio3    at isa? port 0x1f8 tty flags 0x105
> device          sio4    at isa? port 0x2a8 tty flags 0x105
> options         COM_MULTIPORT
> 
> 
> When I got it, I set mine up as (current):
> 
> options         COM_MULTIPORT
> device          sio2    at isa? port 0x3e8 tty flags 0x505
> device          sio3    at isa? port 0x2e8 tty flags 0x505
> device          sio4    at isa? port 0x1e8 tty flags 0x505
> device          sio5    at isa? port 0x1f8 tty flags 0x505 irq 5 vector siointr
> 
> 
> This doesn't work.  I get:
> 
> sio2 not found at 0x3e8
> sio3 not found at 0x2e8
> sio4 not found at 0x1e8
> sio5 not found at 0x1f8
> 
> If I change my config to:
> 
> options         COM_MULTIPORT
> device          sio2    at isa? port 0x3e8 tty flags 0x205
> device          sio3    at isa? port 0x2e8 tty flags 0x205
> device          sio4    at isa? port 0x1e8 tty flags 0x205
> device          sio5    at isa? port 0x1f8 tty flags 0x205 irq 5 vector siointr
> 
> everything appears to work fine (NOTE: now the master is not the same as the
> port with the irq).  This results in:
d