Date: Fri, 2 Jun 1995 18:13:30 -0500 (CDT) From: "Eric L. Hernes" <erich@rrnet.com> To: Steven G Kargl <kargl@troutmask.apl.washington.edu> Cc: freebsd-hackers@freefall.cdrom.com Subject: Re: 3c509 and modems? Message-ID: <Pine.3.89.9506021841.A14735-0100000@rrnet.com> In-Reply-To: <199506022250.PAA04141@troutmask.apl.washington.edu>
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On Fri, 2 Jun 1995, Steven G Kargl wrote: > Read your Adapter Guide, page 3-5. Sorry, I don't have an adapter guide, we get 'em in bulk, and they're already installed in machines by the time I see them :( > Maximum modem speed allows the 3c509 to disable interrupts for various > lengths of time. If you have a fast modem (or serial device), then you > do not want the interrupts disabled for long time periods. If on the > other hand you have slow serial devices, the interrupts can be disabled > for a longer time period, and thus improving the performance of the > 3c509. does this happen at the hardware level? I thought that spl*() and splx() were for handling just such events. What should this be set to to disable this bug. (making the hardware compensate for the OS's shortcoming's is a bug in my opinion.) > -- > Steven G. Kargl | Phone: 206-685-4677 | > Applied Physics Lab | Fax: 206-543-6785 | > Univ. of Washington |---------------------| > Seattle, WA 98105 |---------------------| > eric. -- erich@rrnet.com erich@lodgenet.com
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