How to know weather I have PCI or PCI-E slots. Are the slots named.?

Mine is dual core processor, 2.8GHZ , 512MB DDR2 RAM, 80GB, max of 32bit. When I opened my cpu I saw three white slots named pci1, pci2, pci3. Are they regular pci slots or is there a pci-e slot also. I have an agp-8x slot which is green. I play lots of games. Can I [...] http://bit.ly/msfguU