IBM ThinkPad T21 -- any hope for sound support?

Quick Hardware Summary:

* IBM ThinkPad T21
* Model: 2647-87U
* Audio Chipset: CS461x

Relevant Kernel Config Options:

options PNPBIOS
device pcm
device csa

Resulting Kernel Messages:
May 16 11:54:25 ganymede /kernel: csa0:
<CS4280/CS4614/CS4622/CS4624/CS4630> mem
0xe8000000-0xe80fffff,0xe8122000-0xe8122fff irq 11 at device 5.0 on pci0
May 16 11:54:25 ganymede /kernel: csa: card is Thinkpad 600X/A20/T20
May 16 11:54:25 ganymede /kernel: pcm0: <CS461x PCM Audio> on csa0
May 16 11:54:25 ganymede /kernel: device_probe_and_attach: pcm0 attach
returned
6

I found one email in the freebsd-mobile archives that indicates that this
simply doesn't work.  Is this still the case for FreeBSD 4.5R?

Thanks in advance for your time.

Regards,
                                                                           
                                      Adam W. Dace                         
                                                                           





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