Will installing a separate sound card work? (follow up)

Mario Lobo lobo at bsd.com.br
Sun Sep 11 15:12:25 UTC 2016

On Sat, 10 Sep 2016 17:48:23 +0000
Manish Jain <bourne.identity at hotmail.com> wrote:

> Hi,
> In my computer hardware upgrade project (which has already seen me
> switch 3 motherboards and 2 CPU's in 1 month), I have reached a point
> where I need to invest a bit further. My current Gigabyte GA970
> motherboard is working perfectly, except that the onboard sound
> (Realtek) is aweful, with a whole lot of high-pitch hiss accompanying
> the sound whenever I try to play any music.
> I would like to solve the problem by installing a separate internal
> sound card - the best option appears to be Asus Xonar DG PCI Internal
> Sound Card with a C-Media CMI8786 chipset. Will my idea of disabling
> the onboard sound and installing the separate card work ? My
> motherboard's BIOS does provide the option to disable the onboard
> sound. So I think the question simply boils down to whether the
> CMI8786 chipset be supported by the FreeBSD kernel.
> Thanks for any help.
> Manish Jain
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Complementing with Poly's output:

[~]>dmesg | grep ^hda
hdac0: <NVIDIA (0x0e0f) HDA Controller> mem 0xfe080000-0xfe083fff irq
25 at device 0.1 on pci1 
hdac1: <ATI SB600 HDA Controller> mem 0xfe400000-0xfe403fff irq 16 at device 20.2 on pci0 
hdacc0: <NVIDIA(0x0051) HDA CODEC> at cad 0 on hdac0 
hdaa0: <NVIDIA (0x0051) Audio Function Group> at nid 1 on hdacc0 
hdacc1: <Realtek ALC892 HDA CODEC> at cad 0 on hdac1 
hdaa1: <Realtek ALC892 Audio Function Group> at nid 1 on hdacc1

# Papi/root [12:09:52]
[~]>dmesg | grep ^pcm
pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> at nid 4 on hdaa0
pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> at nid 5 on hdaa0
pcm2: <Realtek ALC892 (Rear Analog 7.1/2.0)> at nid 20,22,21,23 and
24,26 on hdaa1 
pcm3: <Realtek ALC892 (Front Analog)> at nid 27 and 25
on hdaa1 
pcm4: <Realtek ALC892 (Onboard Digital)> at nid 17 on hdaa1
pcm5: <Realtek ALC892 (Rear Digital)> at nid 30 on hdaa1

Mario Lobo
FreeBSD since 2.2.8 [not Pro-Audio.... YET!!]
"UNIX was not designed to stop you from doing stupid things, 
because that would also stop you from doing clever things."

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