Intel 440LX, EX, BX and ZX chipsets, VIA Apollo Pro 133 (693), MVP3, MVP4, AMD 750, SiS 620, 630 and the ALi Aladdin Pro-5 chipsets are all AGP 1.0 compliant.
All Intel i8xx chipsets, the VIA Apollo 133A (694), all VIA Kxxxx, AMD 760, SiS 74x, 75x, 64x, 65x, and ALi Magik 1 chipsets are all AGP 2.0 compliant.
If the chipset is capable of AGP 4X, it is 2.0 compliant. If it can do just AGP 2X, then it is 1.0 compliant.