how to burn compresses games for s-box

[war50]

hi!
i downloaded from edonkey gta3 for the ps2 (629mb) and i want to burn it , the problem is that i have s-box equiped and every site i looked, they tell me to build an iso and burn with cdrwin
(v-4a)
so: i did that and it doesn't seem to work (maby because i don't have neo)
i tried alot and i don't know what to do please help me friends

note: i use 700mb discs and if you can please give me instractions how to burn gta3 that it will load succesfully with my s-box,i have ar2(v-1)