The ME runs a slice behind the main CPU, so a main CPU polling a mailbox
in the boot page saw the ME's progress up to a slice late. Reading the
boot page now runs the ME up to where the main CPU is in its slice first,
and the end of the slice runs only the rest. me/audiofifo, which times
the ME's playing from the main CPU, read 43900Hz for 44100.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>