K 10 svn:author V 7 sobomax K 8 svn:date V 27 2006-04-11T04:39:29.000000Z K 7 svn:log V 403 When enabling A20 put upper limit on amount of time we wait for the keyboard controller to get ready (65K x ISA access time, visually around 1 second). If we have wait more than that amount it's likely that the hardware is a legacy-free one and simply doesn't have keyboard controller and doesn't require enabling A20 at all. This makes cdboot working for MacBook Pro with Boot Camp. MFC after: 1 day END