Date: Tue, 12 Mar 2002 22:12:00 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-alpha@FreeBSD.ORG Subject: Re: Sound on AlphaStation 500 Message-ID: <20020312221200.A62768@freebie.xs4all.nl> In-Reply-To: <20020312000435.A25321@freebie.xs4all.nl>; from wkb@freebie.xs4all.nl on Tue, Mar 12, 2002 at 12:04:35AM %2B0100 References: <20020310161004.A18420@freebie.xs4all.nl> <15501.4663.76473.479656@grasshopper.cs.duke.edu> <20020312000435.A25321@freebie.xs4all.nl>
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On Tue, Mar 12, 2002 at 12:04:35AM +0100, Wilko Bulte wrote: > On Mon, Mar 11, 2002 at 03:23:19PM -0500, Andrew Gallatin wrote: > > > > Wilko Bulte writes: > > > Hi > > > > > > Anybody ever succeeded in getting the builtin sound to work on the > > > AlphaStation 500? I got an AS500 this week and have been playin with > > > it a bit. Sofar I can get the CS sound chip detected alright but playing > > > sound results in "no interrupt, channel dead" messages. I used the > > > ECU (yes, the ISA stuff hangs off a PCI-EISA bridge so you need to run > > > the ECU) to set up things, and also checked the jumpers on the sound > > > daughtercard (it has jumpers for the I/O range). > > > > > > Suggestions are welcome. > > > > It worked a few years ago when I had an AS500 on my desk. > > Good datapoint. Did it show up in SHOW CONF? Mine does not. > I'm gonna try a AS500 at work to see what that one sez. > > > Blind guess: try setting the flags to 0x10011. > > I'll try. It works, somewhat. Good memory. Somewhat as in: plays one MP3, then reports 'play interrupt timeout, channel dead' when I play the 2nd one. Sometimes even the first one won't play. This is using the pcm driver on -stable. > Do you per chance remember if you ran the ECU? If yes, what > DMA/IRQ settings? I use IRQ10, DRQ0 port 0x530 > > I think the key is to disable the use of 2 DMA channels & tell the PCM > > code that its a "true MSS" I cannot get the ECU to disable a DMA channel. Did you see the sound interface in SHOW CONF? W/ -- | / o / /_ _ wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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