Yes the Playstation games will play on all PS3 models
Yes all PS3 can play any PS3 games if the have current updates which includes the latest 3D games
Yes all PS3 consoles play PS1 games and do so through software emulation
The 40 GB model does not play any PS2 games
All PS3 models play PlayStation 1 Games and do so through software emulation.
On the normal 40 Gb you cant, on the 60+ Gb ps3 you are able to play ps2 games (:
No it does not Play PS2 game see related link
There is not 360 GB PS3 and the 320 GB PS3 does not play PS2 games
You don't. The 40 GB PS3 is not one of the PS3 models with Backward Compatibility. Sony claims that there is not anything you can do to allow it to play PS2 games. see related link
All GB PS3 play all PS3 games. The new PS3 move will require older PS3 to get the latest updates as will the 3D games
Unfortunately, Sony has not added that to the PS3 Slim. If you want to play PS2 games on a PS3 you might want to try a PS3 40 or 60 GB system.
80 GB PS3 come in two models and only one can play most PS2 games. The first 80 GB model has 4 USB ports and is capable of playing PS2 games. The second PS3 is part of the 3rd generation of PS3 model and includes models with the 40 GB, 80 GB and 160 GB harddrives and only 2 USB Ports and none of these can play PS2 games. The 4th Generation is also called the PS3 slim 120 GB and 250 GB models and also can not play PS2 games.
There is no software hardware or anything else that will let you play PS2 games on the 40 GB PS3 or any on the other models that also do not play PS2 games