Hi Vito,
I searched the web and didn't find any 16 bit PCMCIA (not CardBus)
audio cards.
If there was one it could be made to work - provided there already is a
driver for the sound chip that the card uses.
And it MUST NOT use DMA - the PB 1400 doesn't support DMA.
And this is VERY unlikely - to find a sound card that doesn't use DMA.
The internal sound chip in the PB is a quite good thing - and for that
same chip there already are drivers in the kernel; one only has to find
out two things:
- if the registers are in the same locations as for example the AWACS
in the NuBus PDM machines - if not find them
- how to transfer the sound data (the PDMs use a DMA controller while
the PBs have to use buffers provided by the I/O controller)
I don't want to take the time (a few weeks up to months) that would be
necessary to get that thing working.
But didn't you (Vito) ever think of writing the driver yourself?
I could help you to progress soon - I know how to patch the kernel and
I also know how to find hardware registers (my knowledge is very
limited and just what I have learned within one year - but my knowledge
will save you that year).
There is only one point that I forgot: you have to be able to
understand C programs...
It would like very much to see that there are others that work on
improving the NuBus PB support.
Tobias
Am 31.05.2006 um 21:40 schrieb Vito:
Hello All:
Has anybody gotten a pcmcia 16bit sound card to
generate sound for the powerbook 1400 under Deb PPC?
Do you think that it might be possible?
Sound is a big deal for me, as I like booting to Mac
OS9
in order to use internet radio, and or watch video
clips or play CDs with sound.
Thx,
Vito
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