Bus

The bus is the system that transfers data between components inside a computer. For the PC line there have been a number of systems used over the years.

ISA PC/XT - 1981 - 8-bit - Black - 19.1 Mbit/s

ISA PC/AT - 1984 - 16-bit - Black - 66.7 Mbit/s

EISA - 1988 - 32-bit - Brown - 266.56 Mbit/s

VESA Local Bus - 1992 - 32-bit - Brown - 1067 Mbit/s

PCI - 1993 - 32/64-bit - White - 1067 Mbit/s

AGP - 1996 - 32-bit - 2.133 Gbit/s

PCI Express - 2004 - 1-32 bit - 2004 - 5 Gbit/s