Configuring multiple Ethernet controllers (including commercial ones, once they were available) with one CPU board created a router.
Domain granularity is one CPU board (single system may have 1-16 of them).
The 750CXe (G3) CPU boards do not require a cooling fan, and thus has been marketed as "cool computing".
They describe the computer as "The P112 is a stand-alone 8-bit CPU board.
To support the new R10000s, a new CPU board, the "IP25" was introduced.
The CPU board contains the microprocessors.
It comes as two-chip CPU board plus cache and connects to a 1.2Gbps system bus.
The MMU was implemented in hardware on the CPU board.
Old Sun-3 and Sun386i users can exchange their CPU boards for an entry-level Model 30.
In this case it used a "CPU board" and a "Video Board".
