Check this out:

Hello Xxxxxxx, Xxxxxx,
PCI is fixed in 33Mhz and AGP is set at 66Mhz as default value (PCI:AGP=1:2). And AGP can be also set at 50, 60~100Mhz. I hope I answered your question.
Best regards,
Victoria Chin

So you have 33MHz PCI with the 8RDA+ - Congrats to everyone