In the top-right of modular interface, near the cable color picker, there is a little square button to enable/disable cable wiring.
This is useful for huge patches, when the video refresh becomes slow.
4PC + Scope 5.0 + no more Xite + 2xScope Pro + 6xPulsarII + 2xLunaII + SDK + a lot of devices (Flexor III & Solaris 4.1 etc.) + Plugiator.