[LAU] emi 2 | 6: after upgrade from ubuntustudio 7.04-7.10, alsa works, but no jack

Clemens Ladisch cladisch at fastmail.net
Wed Dec 5 03:36:44 EST 2007

david wrote:
> Interestingly, in my machines, turning off internal sound cards in the 
> BIOS makes no difference to Linux whatsoever - Linux still finds the 
> card and installs support for it.
> Perhaps it depends on which integrated sound chip is there?

Some BIOSes used with certain VIA AC'97 controllers disable the on-board
device when another PCI sound card is found, even when the on-board
device is enabled in the setup.  For this reason, recent Linux kernels
forcibly enable the on-board device regardless of the BIOS settings.


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