Transtech Transputer, Руководство пользователя

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Using Transputer Modules
TMB M 711 Transputer Motherboard User Manual
13
2.3.3 Network Configuration Aspects
A subject which has not been discussed fully in this chapter is that of
network configuration. This is the process of connecting up
all the
transputer links to meet the network topology demanded by the
application.
The previous section has dealt with the default pipeline, but what
hasn’t been mentioned yet is how the user can connect up TRAM link
0s & 3s.
In fact, the connection of these links is extremely flexible. On most
motherboards there are electronic link switches which perform link0
- link3 connections. The link switches are controlled by transputer(s)
on the motherboards called configuration transputers.
The configuration transputers from different motherboards are
connected together into a pipeline called the configuration pipeline
which is programmable. Transtech TRAM motherboards are shipped
with a software system the NCS (Network Configuration Software) to
program the link crossbars, Inmos boards are shipped with their own
system the MMS (Module Motherboard Software).
Hence, the remaining job to be done is to connect up the
configuration pipeline , a pipeline of T2 transputers that are used to
setup the crossbar switches. Each motherboard has two pipeline
connections for this purpose called
ConfigUp
and
ConfigDown
.
Figures 16 & 17 show the details.
PipeHead PipeHead
Figure 15. The default pipeline (TDS)
PipeTail PipeTail
up down
TMB12
up down
TMB12
SubSystem
HOST