Path: utzoo!attcan!uunet!snorkelwacker!apple!sun-barr!newstop!texsun!moxie!texbell!root
From: root@texbell.sbc.com (Greg Hackney)
Newsgroups: comp.sys.ncr
Subject: Re: 32-600 HPSIO HELP?!?!?!: what is "threshold on overrun tally error"
Message-ID: <496@texbell.sbc.com>
Date: 13 Oct 90 22:59:09 GMT
References: <1990Oct11.165115.4811@holos0.uucp> <1990Oct12.184451.2985@nncrcae.Columbia.NCR.COM>
Organization: Southwestern Bell
Lines: 14

In article <1990Oct12.184451.2985@nncrcae.Columbia.NCR.COM> wescott@Columbia.NCR.COM (Mike Wescott) writes:

>It means that some number (the threshold) of overrun events (hpsio
>not getting characters out of uart before they're clobbered by more
>characters arriving) have occurred.

>It can be avoided if you can get H/W flow
>control working.  If IRTS (see termio(7) or stty(1)) is set then
>the uart will be programmed to automagically drop RTS when an overflow
>condition is imminent.

Mike, is this affected by the number of NCLISTs in the kernel configuration?
--
Greg