Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!cstreet!john
From: john@cstreet.com (John Poplett)
Newsgroups: comp.unix.xenix.sco
Subject: No lp1 without lp0
Keywords: lp printer Xenix parallel ports
Message-ID: <1990Oct4.192135.178@cstreet.com>
Date: 4 Oct 90 19:21:35 GMT
Reply-To: john@cstreet.COM (John Poplett)
Organization: C Street Software @ cstreet.com
Lines: 24

Is it a known characteristic of Xenix that lp1 (the secondary
printer port at I/O port address 0x278) won't be recognized if the 
primary printer port (at I/O port address 0x378) is disabled
or nonexistent? Is there a good reason for this behavior?

It caused me a few hours of grief when I switched to a color
monitor as the the primary port was enabled on the monochrome
display adapter. Once it was removed and the primary port with
it, the secondary address, which I used as the default for the
lp spooler, disappeared.

The documentation, e.g. the sections "parallel" and "lp" in HW
and the section in the Administrator's Guide "Using Printers"
don't seem to mention it (indeed, they imply that lp1 should be
available regardless of the status of lp0).

Here's hoping no one else is smitten by this feature.

John

-- 
John Poplett @ C Street Software     | A woman who doesn't change
312 Wolff St. Oxnard, Ca. 93033 USA  | her mind, doesn't have one.
(805) 486-7807 / john@cstreet.com    |      ~ Mae West