What the best Codec for Encode DivX for PS2 Reality 1.5

I download bittorrent AVI Movie DVDRIP
When Play on PS2 Reality 1.5 DMS3 Version

It Show the FourCC of PS2 Reality 1.5 following
Xvid
DX50
version 0
this FourCC I see Smooth Playing

in other movie It Show the FourCC of PS2 Reality 1.5 following
Xvid
Xvid
Version 0
this FourCC I see Smooth Playing

in other movie It Show the FourCC of PS2 Reality 1.5 following
Divx
DX50
version 503
this FourCC I see Smooth Playing

But when i am encode Movie with Xvid codec 1.1.0 30-12-2005 Final Release
PS2 Reality 1.5 Play Movie not Smooth

I Want the sure Codec for PS2 Reality 1.5
it is Divx or Xvid and the version Codec of it.

for Smooth Playing in PS2 Reality 1.5

Sorry for my English Gramma