Don't boot anymore if you cut the ide cable...

[fanhais]

for me is some games doesn't boot some times boot some times not.
I don't know if is the ide cable or the pcb installed on the MB of dreamcast before everything booted and now some games doesn't boot and the follow games which i have problem now and before runed fine.
i have ide to sata adapter for 2.5 hdd and
sd to cf and cf to ide

sega rally don't boot now in sata and
tomb raider Ch
tomb raider last revalation
urban chaos
half-life
snoCross
4x4 evolution
resident evil 2 claire and leon
others games boot well i had tried everything from mega volt DS DragonCity DS and from ghitub i can't make those games run again

=( what happened ???