Oh, wait a minute.. the log shows other, more serious, issues.
Quote:

Could not find CS4231A (version=80) --> no visuals for Tuner/AUX.
...
smc chip id/revision 0x0249
smc_init couldn't find card



Those devices share the same signals as the IDE bus, and one or both of them
seems have gone bad here.. Serious surgery time.

-ml