[SunRescue] Audio Connector

[Matthew Haas]

On Mon, 8 Nov 1999, James Lockwood wrote:
> 
> First of all, the speakerbox actually contains a serial digital to analog
> codec with a fair amount of smarts (a CS4215).  It's only useable with a
> DBRI audio equipped machine.
>

Is this just a standard one-for-all speakerbox? Or is there a special
version for the SS-10, one for LX, one for SS-20, etc.? And where would
such a beast plug in? Through the audio port on the auxiliary port?
 
> The Classic has the old AMD 7930 audio hardware and cannot use a
> speakerbox.  The connector you see on the back is for an AUI ethernet
> breakout cable only.  The Classic has conventional audio connectors and
> audio is also routed to the internal speaker.
>

>From what I've seen, this looks like a singular speaker... does/can it
still do stereo? Can an additional speaker be connected to it?
 
> The only Sun systems that can use a speakerbox are the LX (where it
> overrides the internal codec) and the SS10 (which has no internal codec).
> The other DBRI based system, the SS20, has an internal codec.
>

So I'm assuming that the 'speakerbox' can be used for all eligible
systems. The only reason I ask is that whenever I've seen reference to the
speakerbox is speaks solely of the SS10, in fact in one of my manuals
(Desktop SPARC, which covers both LX and SS10), it says that the
speakerbox is for use with the SS10. (I have an LX)
 
> Last I checked sound support on Linux SPARC was somewhat shaky.  Are you
> sure this isn't getting in your way?
>

DBRI support does not work too well. AMD7930 is a small step better.

I believe the CS4215 support is among the best supported sound systems for
SPARClinux.
 
> -James
> 
> 
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