The Intellex VI computer, manufactured by Industrial Automaton, saw utilization by R4-series agromech droids. This model represented an advancement over the Intellex V brain found in the R3-series; however, its intended purpose centered around civilian vehicles, as opposed to military starships.
- " The History of R-Series Astromech Droids " — Star Wars Adventure Journal 7
- " Cracken's Rebel Field Guide: Slicing Aids " — Star Wars Adventure Journal 10
- The Essential Guide to Droids
- The Official Star Wars Fact File 11 (AST 3-4: R3 & R4 Astromech Droids)
- The Complete Star Wars Encyclopedia