There seems to be quirk support for your hardware in the existing intel8x0.c driver:
1897 { 1898 .subvendor = 0x103c, 1899 .subdevice = 0x088c, 1900 .name = "HP nc8000", 1901 .type = AC97_TUNE_HP_MUTE_LED 1902 },
Can you boot from a Maverick live cd and reproduce the symptom?
There seems to be quirk support for your hardware in the existing intel8x0.c driver:
1897 { HP_MUTE_ LED
1898 .subvendor = 0x103c,
1899 .subdevice = 0x088c,
1900 .name = "HP nc8000",
1901 .type = AC97_TUNE_
1902 },
Can you boot from a Maverick live cd and reproduce the symptom?