The Pro Tools Project card PCI does not support TDM and has no TDM Piggyback connection, so you cannot connect a DSP farm to it:
http://www.digidesign.com/support/pr...rojectPCI.html
The last version of Pro Tools that supports the Project PCI card is Pro Tools 4.3.1:
Compatibility Archive
http://www.digidesign.com/support/compat/
Pro Tools 4.3.1 PCI Systems/Pro Tools 4.2.6 for Windows NT Compatibility
http://www.digidesign.com/support/compat/digicompat.pdf
Page 7:
Pro Tools Project — PCI System for Power Macintosh