US-PS2 with Modchip and gameshark2 cd-1 as boot still problems. Please help getting pi$$ed off

[brihoo2k]

I have successfully chipped my ps2. i know this because the games boot up using the gameshark 2 disc. but mine being the ntsc version 1(USA) not all the games boot up playstation mods.com claims that they all boot whitch is a bunch of crap as far as im conserned I really dont think they tested the american version throughly. For one they say for "PS2 EA sports games and others that wont boot-Hold the reset until AR2/GS2 menu and disc slows right down-let go swap disc (you have 4 seconds)" well on the american version it shuts off the PS2 before it slows down. I have tried this several times and it fails every time