On Jan 5, 9:30�pm, demp...@actrix.gen.nz (David Empson) wrote:
sporadic <sporadica...@gmail.com> wrote:
I bought yet another IIgs off eBay, this one had a mystery card that I
can't ID:
It's a tiny card that doesn't actually sit in a slot, just screwed to
a rear port. �The SuperSonic card is connected to the card, and the
card has a ribbon cable header that goes into the J25 header. �There'
s
also a cable that goes into the FAN header on the GS motherboard, and
a fan that mounts on the power supply that plugs into the card.
The silk screen on the back of the card reads "Roger Wagner
Publishing" and the FCC ID is HYORWIIGS. �The card itself has a
standard headphone plug on the back. �The biggest chip on the card is
a "CA324E".
it's pretty obvious that it pipes the output from the SuperSonic to
it, but I don't get the purpose: the fan can just as easily plug
direct into the motherboard, as can the SuperSonic cable.
That's the audio input card which came with HyperStudio (along with a
microphone that plugs into the card). Its standard connection
arrangement goes straight to J25. I have one somewhere, but it isn't
installed in my IIgs any more.
The ribbon cable is supplying audio input to the Ensoniq.
The SuperSonic is a separate product. It provides amplified audio output
from the Ensoniq. I haven't looked at mine for several years, but I
expect it has a pass-through connector so that some other device can
piggy-back to supply audio input.
The FAN connection on the logic board is just a source of power. The fan
is not related to the HyperStudio audio input card - the card piggybacks
off those pins as a power source. If a fan is installed, the audio input
card replicates the FAN connector for it.
--
David Empson
demp...@actrix.gen.nz
Thanks David! So the card is a MIC in, nice! I keep hoping I'd be
able to find the recording half of the SuperSonic card (I sold mine
nearly 20 years ago, kept the SuperSonic though). I still have fond
memories of recording off audio CD and playing with AudioZap. I
suppose there's no real point in trying to record off the GS, a modern
system running Audacity would be a more useful setup anyhow.
Jimmy