Do not forget to install the driver provided on the mini CD BEFORE you connect the adapter. Once installed, the connector is directly recognized under Windows XP. Then any necessary config.
Noted that the connector does not BigBen restitut vibrations!
All buttons work, as well as analog stick (which remain very analog).
I do not esseiller, but I think it should very well walking with PS1 controllers, because the only difference between the two generations is that the buttons of the PS2 controller are analog.
In short good purchase for that dejas joysticks PS1 / 2.