0000950134-00-006069 POS AM 1 20000728 3DFX INTERACTIVE INC 0001010026 7372 770390421 CA 0201 POS AM 33 333-38678 681529 4435 FORTRAN DR SAN JOSE CA 95134 4089354400 4435 FORTRAN DR SAN JOSE CA 95134 POS AM 1 posam.txt POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-4