Later, IDE hard drives became the defacto standard ... But a standard predating all of this was very common in high-end systems: SCSI. [RetroBytes] recently did a video on the bus which he ...
A plug and socket used to attach 25 pairs of telephone wires. It is also used for SCSI-1 connections and is the 50-pin version of the widely used Centronics connector found on the back of PC printers.