Date: Wed, 21 Apr 1999 15:22:33 -0700 From: "William Woods" <wwoods@cybcon.com> To: "Doug Rabson" <dfr@nlsystems.com>, "Jason Thorpe" <thorpej@nas.nasa.gov> Cc: "Jordan K. Hubbard" <jkh@zippy.cdrom.com>, "Alain G. Fabry" <fabry@coserve.org>, <freebsd-alpha@FreeBSD.ORG> Subject: RE: External modems on Alpha..... Message-ID: <000201be8c45$73d8e960$224c93cd@william> In-Reply-To: <Pine.BSF.4.05.9904212315140.85882-100000@herring.nlsystems.com>
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I was playing around in the SRM console and I see these things: doing a "show con*" brings up this........ console graphics control_disfd enable control_idema enable control_irq11 scsi <<---- control_irq12 mouse <<---- control_scsi_term internal controlp on What interests me here is the "control_irq" lines. I notice there is no line for either com1 or com2. Now, I tries a "set control_irq4 com1" assuming that this would set irq4 to com1, but when I rebooted the setting was no longer there. I am going to experament with setting this, not rebooting and seeing if this takes care of any of the problems. If it does, I am going to assume that I have a dead internal battery, replace it and try again....what ya think, sound like n idea that might work? > -----Original Message----- > From: Doug Rabson [mailto:dfr@nlsystems.com] > Sent: Wednesday, April 21, 1999 3:18 PM > To: Jason Thorpe > Cc: William Woods; Jordan K. Hubbard; Alain G. Fabry; > freebsd-alpha@FreeBSD.ORG > Subject: Re: External modems on Alpha..... > > > On Wed, 21 Apr 1999, Jason Thorpe wrote: > > > On Wed, 21 Apr 1999 20:07:20 +0100 (BST) > > Doug Rabson <dfr@nlsystems.com> wrote: > > > > > How does the NetBSD kernel cope with this problem on the > alpha? I can't > > > see anything obvious in my copy of the source but it is > somewhat dated. > > > > We (NetBSD) don't deal too well with it, either. Although, our > `com' driver > > seems to be less prone to this problem due it its structure. > I've driven > > a serial port on an AlphaStation 200 at 56k before, no problem. > > Perhaps it might be worth trying to collaborate on a lazy masking > interrupt scheme for *BSD/alpha in the future. At this level, the two > systems are virtually identical (not surprising). > > Incidentally, you might also like to pick up the floating point software > completion code from FreeBSD/alpha if you haven't already. > > -- > Doug Rabson Mail: dfr@nlsystems.com > Nonlinear Systems Ltd. Phone: +44 181 442 9037 > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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