I mean when enumerating HT0 e0 is set to 0xff010003, while e4 matains 0x09070103, so e4 overlaps with e0? Regards, Liu Tao YhLu wrote: >That only used by auto.c (in_conherent.c) > >And it is ok to be overlapped in c parts. ( hardwaremain)? > >To do that, only let cpu can see different BUS in auto.c stage. >