MODCHIP IS NOT 100% COMBATIBLE WITH PSX ONE READ AND ANSWER TO ME IF I AM WRONG

[RazorCool]

I have take 2 not 1 but 2 console of psx1 one for me one for my brother i hae order 3 chips the one for alternative solution if something happento to one of the three mod chips any way
i show tha games was playable and still are in previus console like 9002 they are stuck with no reason in psx1 example
destruptor or f.f 9 or future cop please tell me i am the only one with that problem or is ant other gamers like me and if is yes the your answers what can we do about it they cheat on us about comabtibility 100% with psone they dint told us about region that is lock they didn answer to my e-mal about that problem with stucking games so any one with the same problems?