> How were different devices addressed? There's a shared address bus. Each device responds to the i/o and/or memory addresses it's configured for. Configuratio

> How were different devices addressed? There's a shared address bus. Each device responds to the i/o and/or memory addresses it's configured for. Configuration can be static, jumpers, isapnp. > I assume it’s a master and slave system, but even then were address collisions automatically resolved? No. If two devices want to use the same address space, you'll have problems. isapnp might help you out, but it was added in the second decade of ISA, so ... lots of things don't use it.