Click here to see components of the motherboard. Bus type Data bus width Speed Comments . 8 bit card 8 bit 8 MHz on of the first expansion cards. Not used in modern computers . 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. .