ISA 16 bit 8 MHz Still in use today. Configuration is done by setting jumpers . EISA 32 bit 8 MHz EISA bus slots are backward compatible with ISA cards. EISA cards can be configured by software or by jumpers. . VESA or VL-bus 32 bit Speed of Processor Backward compatible with ISA cards.
Configuration is done by setting jumpers.
Most often used for video cards. . PCI 64 bit and 32 bit Speed of Processor Plug and Play cards. AGP 32 bit Speed of processor Used in video cards. . Configured by software. Proprietary IBM design.