K 10 svn:author V 6 grehan K 8 svn:date V 27 2003-06-27T10:11:54.000000Z K 7 svn:log V 258 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 END