[rescue] Sun SpeakerBox Docs
dgy at DakotaCom.Net
Tue Jun 20 15:53:18 CDT 2006
Janet Campbell wrote:
> On Sun, 18 Jun 2006, Don Y wrote:
>> I want to *almost* use it as intended but without having to stick
>> to Sun's I/F -- though I may not have any choice, there (due to
>> their choice of components). But, I want/need to know how
>> many of the "controls"/indicators are independant vs. hardwired,
>> etc. (e.g., the power indicator, etc.)
> I'm pretty sure that all of the controls and indicators go through the
> bus to the host, including the power light.
> The CHI bus was pretty neat at the time - in theory you could string up to
> four devices along it, and have mostly-independant codecs handling their
> own sound streams. I don't think that Sun ever added support for more
> than one, though - the LX had an onboard codec and could use the
> speakerbox one if it was plugged in, but didn't use both simultaneously.
> There's enough documentation on the bus to use it if you really want to,
> given a sync parallel bus to interface with - it'd likely be a first-class
> pain, though.
Yeah, I was hoping to bypass the CODEC and take advantage of
all the peripheral circuitry -- i.e. remove the CODEC and
run pigtails to those foils. Hence the advantage of having
But, I can probably *infer* what's connected to those pins
and get a "90% solution" without too much effort. Shirley
less than would be involved trying to trace all the foils
on the board(s)!
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