Subject: Re: DEC vt320 terminal problem
To: Shannon <firstname.lastname@example.org>
From: Greg A. Woods <email@example.com>
Date: 06/25/2001 22:29:06
[ On Monday, June 25, 2001 at 21:13:10 (-0400), Shannon wrote: ]
> Subject: Re: DEC vt320 terminal problem
> I've got the same thing, but at 19200. No joy.
I haven't tried it yet (it wasn't available by anonymous CVS last time I
checked, around noon EDT), but this change might improve things:
Module Name: syssrc
Committed By: wdk
Date: Mon Jun 25 08:30:12 UTC 2001
Don't reprogram SCC registers unless the values have changed.
Some CMOS Z85C30 SCC's (as used in the SGI Indy and Mips Magnum 3000's)
reset the baud rate generator when a new prescaler is loaded - despite
what is documented in the datasheet.
Avoids "character glitch" problems when line discipline characteristics
are changed at the start of the login process, or during a ftp session
on the /dev/console device.
Tested on -sgimips, -mipsco and -alpha platforms
To generate a diff of this commit:
cvs rdiff -r1.12 -r1.13 syssrc/sys/dev/ic/z8530sc.c
Greg A. Woods
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