# Bus compatibility

The Smart 16/4 AT Ringnode is compatible with:

- Any 16- or 32-bit computer which is compatible with the 16-bit ISA specification.

- 8-bit computers which are compatible with the 8-bit ISA specification. The Smart 16/4 AT Ringnode cannot be configured as a bus master when installed in 8-bit expansion slots.

- Any 16- or 32-bit computer with expansion slots that are compatible with the EISA specification.