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Date:      Tue, 20 Mar 2001 12:03:00 +0300
From:      Kurakin Roman <rik@cronyx.ru>
To:        Mike Nowlin <mike@argos.org>
Cc:        net@FreeBSD.ORG
Subject:   Re: Multiport serial non PnP ISA card with 4.2
Message-ID:  <3AB71CC4.3070302@cronyx.ru>
References:  <3AB2487D.1020906@cronyx.ru> <20010317022637.A1776@argos.org> <3AB5D84B.4070508@cronyx.ru> <20010319145751.A12099@argos.org>

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Mike Nowlin wrote:

>>> I am using a pair of Digiboard 8-port dumb serial cards (don't remember the 
>>> actual model number) on a 4.2 machine with the standard shared interrupt
>>> code...  ISA, no P&P, everything configured by jumpers - works fine.  
>>> (Connects to the serial consoles on a bunch of machines.)  This machine 
>>> uses no PnP drivers, unless you want to consider the PCI network card 
>>> PnP...  (Netgear FA310-TX)
>> 
>> Do you have message like "master device ... not configured" during boot?
>> My cards are working, but I didn't like such messages.
>> 
>> Kurakin Roman
> 
> 
> If I remember correctly, those messages come up when you try running one of
> these cards without specifying the layout of the card (in relation to
> master/slave ports) in the kernel config file.  My dmesg output looks like:
> 
> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
> sio0: type 16550A, console
> sio1 at port 0x2f8-0x2ff irq 3 flags 0x80 on isa0
> sio1: type 16550A
> sio4 at port 0x100-0x107 flags 0xb05 on isa0
> sio4: type 16450 (multiport)

> ....
> sio11 at port 0x138-0x13f irq 5 flags 0xb05 on isa0
> sio11: type 16450 (multiport master)
> 
> 
> ...sio0 and sio1 are the "standard" serial ports, and sio4-11 are the
> digiboard ports.  The kernel config file section looks like:
> 
> # Serial (COM) ports
> # flags 0x10 makes this a serial console
> device          sio0    at isa? port IO_COM1 flags 0x10 irq 4
> # flags 0x80 makes this the remote debugger port
> device          sio1    at isa? port IO_COM2 flags 0x80 irq 3
> #device         sio2    at isa? disable port IO_COM3 irq 5
> #device         sio3    at isa? disable port IO_COM4 irq 9
> 
> # Digiboard ports
> device          sio4    at isa? port 0x100 flags 0xb05

> ....
> device          sio11   at isa? port 0x138 flags 0xb05 irq 5
> 
> man sio(4) describes how this works, but it's a little hard to decipher in
> some places.  

I have almost same configuration (except I set sio4 as master) and 
almost the same output
from dmesg, except "master device ... not configured" before any 
messages about each
sio port of multiport card.

Any way, thank you for information. I would dig deep.

> 
> 
> mike
> 


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