kern/63425: Onboard soundcard on Gigabyte GA-7S748 Motherboard does not work

[Jacob]

>Number:         63425
>Category:       kern
>Synopsis:       Onboard soundcard on Gigabyte GA-7S748 Motherboard does not work
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Feb 26 18:10:24 PST 2004
>Closed-Date:
>Last-Modified:
>Originator:     Jacob
>Release:        5.1-RELEASE
>Organization:
Dominoid Software
>Environment:
FreeBSD magna.dominoid.org 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Thu Jun  5 02:55:42 GMT 2003     root at wv1u.btc.adaptec.com:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
The sound card appears to be recognised, but does not actually work. (Works under XP - dual boot machine).

When loading the sound module the following appears in the logs:
Feb 27 12:38:17 magna kernel: pcm0: <SiS 7012> port 0xdc00-0xdc7f,0xd800-0xd8ff irq 3 at device 2.7 on pci0
Feb 27 12:38:17 magna kernel: pcm0: <Unknown AC97 Codec (id = 0x414c4760)>

pciconf output:
pcm0 at pci0:2:7:  class=0x040100 card=0xa0021458 chip=0x70121039 rev=0xa0 hdr=0x00
    vendor   = 'Silicon Integrated Systems (SiS)'
    device   = 'SiS7012 PCI Audio Accelerator'
    class    = multimedia
    subclass = audio

jj at magna# cat < /dev/sndstat
FreeBSD Audio Driver (newpcm)
Installed devices:
pcm0: <SiS 7012> at io 0xd800, 0xdc00 irq 3 bufsz 16384 (1p/1r/0v channels duplex default)

>How-To-Repeat:
n/a
>Fix:
Unknown
>Release-Note:
>Audit-Trail:
>Unformatted: