identify TriTech chips

TriTech Singapore
Tritech Micro
member of Singapore Technologies
associated with Stellar Semi

  dl $ info
TR25203
Pyramid3D
TR25201 
       
         
TR25201 Pyramid 3D (2-32MB EDO/SD/SG, 200MHz RAMDAC, 50MPix/s, PCI, 3D only)
TR25202 Pyramid 3D (25201 w/o geometry CPU, 3D only)
TR25203 Pyramid 3DO (2D & 3D)
TR25204 Pyramid 3DO (TR25203 w/o geometry CPU)