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Article #3578Re: KA820 processor's serial lines, what use?
From: Alan's Home for Wayward Notes Fi...
Date: Sat, 27 Apr 1991 01:22
Date: Sat, 27 Apr 1991 01:22
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In article <1991Apr26.181122.12239@iplmail.orl.mmc.com>, carlm@iplmail.orl.mmc.com (carl morris) writes: > [ A customer has noticed the serial ports available on the KA820 > family of processors and wants to know what to do with them. ] Well, on ULTRIX they are /dev/console, /dev/ttyc1, /dev/ttyc2 and /dev/ttyc3. Since they are probably very DZ like serial lines, I would guess that each character input or output will require an interrupt. Maybe not, but lots of DEC history suggests this will be the case. It's also likely they have little if any modem control. You could probably use them for terminals or printer, but you wouldn't want to run them very fast. p.s. I don't know what the VMS name would be. Maybe CSA[1-3]? > Thanks for any suggestions -- Carl -- Alan Rollow alan@nabeth.cxn.dec.com
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!decwrl!deccrl!news.crl.dec.com!shlump.nac.dec.com!shodha.enet.dec.com!alan From: alan@shodha.enet.dec.com ( Alan's Home for Wayward Notes File.) Newsgroups: comp.sys.dec Subject: Re: KA820 processor's serial lines, what use? Summary: Something slow. Message-ID: <3035@shodha.enet.dec.com> Date: 27 Apr 91 01:22:47 GMT References: <1991Apr26.181122.12239@iplmail.orl.mmc.com> Organization: Digital Equipment Corp. - Colorado Springs, CO. Lines: 21