32-bit 66-MHz synchronous PCI-to-PCI bridge is fully compliant with PCI local bus specification revision 2.3; comes in a 128-pin 23 x 17-mm PQFP package; has sufficient clock and arbitration pins to ...
TL;DR: The PCI-SIG consortium introduced the PCI Express standard in 2004, the same year the original PCI bus received its final spec revision. The two technologies are based on completely different ...