7.0-RELEASE-amd64 install on MacBook Pro 4,1

[Eugene M. Kim]

Greetings,

When trying to boot the MacBook Pro 4,1 (G4 with Intel Penryn) off the 
7.0-RELEASE-amd64 installation CD, the kernel hangs after the CD-ROM 
probe, and the SATA drive probe never seems to complete (I don't see any 
adX entry).  Booting without ACPI does not seem to make any difference 
either.

Has anyone solved this?  Any help would be appreciated.

Cheers,
Eugene