Difference between revisions of "RH780 Massbus Adapter"
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Revision as of 22:36, 2 January 2022
The RH780 Massbus Adapter was a MASSBUS device controller for the VAX-11/780's Synchronous Backplane Interconnect.
It was implemented on four hex cards:
- M8275 - SBI/MBA interface
- M8276 - internal registers
- M8277 - MASSBUS data paths
- M8278 - MASSBUS control paths
They mount in a custom 6-slot backplane (2 slots unused)
External links
- RH780 Massbus Adapter Technical Description (EK-RH780-TD-001)
- RH780 Field Maintenance Print Set (MP-00499)
