The following files are taken from the \Driver\WDM_ALL\AVS_T200\XP\ directory of the default Catalyst installer.
atinavt2.SYS
atinppt2.ax
atirt2xp.cat
atirt2xp.inf
ativmc01.cod

The following files are taken from the \Driver\GARTnt\ directory of the IGP Catalyst installer.
atisgkaf.cat
atisgkaf.sys
GARTnt.INF