Comparison between 8 bit ISA and 16 bit ISA Bus (XT Bus vs AT Bus)

Learn some comparisons between 8 bit ISA and 16 bit ISA Bus (XT Bus vs AT Bus) :

8 bit ISA bus/card (XT – Bus):

1. 8-bit data interface.
2. 4.77 MHz bus.
3. 62 pin connector.

16 bit ISA bus (AT – Bus Card):

1. 16 bit data interface.
2. 8 MHz bus.
3. 62 pin connector.
4. 36 pin AT extension connection.