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Date: Sun, 8 Sep 2002 20:44:17 +0100 (BST)
From: =?iso-8859-1?q?michael=20green?= <michaelrmgreen@yahoo.co.uk>
Subject: Byterunner tc800 config sio
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I've got a Byterunner tc800 set to 0x100 and irq 4 to
correspond with an Arnet 8 port for
use under SCO OpenServer for terminals (the mboard com
ports are disabled). 

I'm having difficulty getting it to run under FBSD
4.6.0 config returns a syntax error
at the first device line (see below). I've reviewed
man sio,
LINT, handbook, and searched the maillist archives,
the www and Byterunner web site.

Could someone expand on the instructions in man sio
especially the hex flags code and the 
use of tty and other keywords. Thanks.

device sio0 at isa? port 0x100 tty flags 0xb05
......other identical lines except io port..... irq 4
vector siointr

I also tried the flags hex code 0x701 (like the AST
example in man sio)

Oh yes and what does this mean?:

You should set the 0x10000 flag (only in current yet)
as well, to
avoid the case where a pending IRQ from a higher port
prevents
sio`s test#3 from passing on a lower port.

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