Peter Grehan 09bf574a28 Prevent probing the secondary channel on CMD646 controllers if the
channel has been disabled by BIOS. This prevents a bus timeout
machine check on B&W G3 PowerMacs, which have a primary-only CMD646
on the motherboard.

Approved by: sos
Obtained from: NetBSD
2003-06-27 10:11:54 +00:00
..
2003-05-18 16:43:08 +00:00
2003-05-18 16:45:48 +00:00