Quote:>Ok, I have a MAD 16 pnp (opti 925), which I can get to work
>in MSS mode quite easily using isapnp. How good is the MSS mode?
>Is it worth trying to get it to work using the mad16 driver?
>Someone got it to work I recall, and I figure I should get
>it to work, too, if I spend enough nights on it ;-). Anyhow
The "MSS" and "MAD16" modes are the same. In non-PnP mode the
MAD16 driver (Linux 2.1.x only) initializes the chip to "MSS"
mode and then activates the MSS driver. So there are no main
differences between these modes. The plain MSS driver just
can't get the chip switched from SB mode to MSS mode.
In PnP mode the card provides MSS compatible register interface
by default and the MAD16 driver will not work with it. However
in PnP mode IRQ and DMA setup is done using PnP logic and the
MSS compatible IRQ/DMA setup register is ignored.
Quote:>since the WSS is an MS invention, is it any good?
MS has invented just 5% of the MSS/WSS interface (just the
IRQ/DMA setup register and some IRQ/DMA test logic). The
main component is a "standard" codec chip such as AD1848
(the original chip used by MS), AD1845 or CS4231. Quality
of the card is defined by the codec chip that is being
used and by quality of the analog side of the card.
Best regards,
Hannu
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