It is connected to the cache controller by a 128-bit data path.
Now find the data paths that correspond with those power taps.
There ought to be a whole forest of data paths.
Each core has a data path, a memory, and register banks for eight threads.
Each tape drive installed in the SL8500 library has an independent data path.
Internally the machines employed 16-bit instructions and a 24-bit data path.
Not part of the data path, but needed to bridge chips with each other.
The data paths are however only 8 bytes wide.
You need very high speed data paths to allow the rate of video to travel across this network.
A single operation code might affect many individual data paths, registers, and other elements of the processor.