Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!wuarchive!cs.utexas.edu!execu!sequoia!rpp386!woody
From: woody@rpp386.cactus.org (Woodrow Baker)
Newsgroups: comp.lang.postscript
Subject: Re: Re^2: Do I need memory upgrade?
Summary: switch
Message-ID: <17615@rpp386.cactus.org>
Date: 10 Jan 90 13:25:34 GMT
References: <9509@batcomputer.tn.cornell.edu> <17596@rpp386.cactus.org> <1990Jan10.043545.19766@grian.cps.altadena.ca.us>
Organization: River Parishes Programming, Plano, TX
Lines: 24

In article <1990Jan10.043545.19766@grian.cps.altadena.ca.us>, alex@grian.cps.altadena.ca.us (Alex Pournelle) writes:
> Anyone looking to upgrade their serial comms to >19.2K on a PC
> had best recap
> the discussions in comp.sys.ibm about what serial chips work reliably at
> fast speeds.  Your cheaper clone serial boards don't keep up.
> 
> Or, use parallel...  Or, use TOPS, if an option.
> 
> This is a good time to mention: the LW and LW+ rotary switch (on the
> back of the printer) are really cheap; often, they will fail or slowly
> malf over several years.  One of my offices has a LW that's switched
> between PC and Mac (read: RS-422 AppleTalk) constantly, and the switch
> has become erratic.  Also, the motherboard has developed a fault where
> it will accept data but not print it (!!?), which has proven nearly
> impossible to isolate.
> 
> 	Alex

What is the software rev of the board that is failing?  It may be possible
to switch it under software control.

Cheers
Woody