How to make Eternal Poison (SLUS 21779) playable

In official PCSX2 0.9.7 beta 3113, you click Config then Emulation Settings.

In EE/IOP Panel, choose Full under Clamping Mode.
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In VUs Panel, choose Extra under Clamping Mode.
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Now the background become normal. In general, you'll encounter black background colour without the special settings I provided.
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I suppose you can beat the game eventually from now on.
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