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Definity TN790B Processor is very
similar to the TN790. The circuit pack is designed to handle errors
that are associated with the EM-BUS and is required for use of the
C-LAN (TN799) and NetPkt (TN794) circuit packs in R7 and later.
Circuit packet level replacement for the TN786B/CPP1 combination. Does
not support a mezzanine board for memory expansion (no CPP1 circuit
pack is used) Provides a performance increase over the TN 786B/CPP1
combination. RISC processor at 40 MHZ includes all of the functions of
the TN786B processor as well as providing an operating system base more
common with R7r. Diagnostics for the TN790 are enhanced over earlier
systems. Compatible with the processor interface circuit pack (TN765),
the PACCON circuit pack (TN778), the NETCON circuit pack (TN777B), and
the duplication interface circuit pack (TN772)
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