pc specs are :
windows 7 32bit
256 mb intigrated graphic
intel 82945G chipset
pentium Dual-core @ 1.8GHz
2 GB of Ram
1.8 ghz is too low for pcsx2 anyway try thise use native resoution, in sound menu disable sound effact ticked,enable speedhacks....unticked 8 bit textures...
And try to overclock ur pc...