Source: Starfinder Core Rulebook p.73
You further improve the response time of your AI. If you have a drone, your drone gains a +1 insight bonus to AC. In addition, if your drone is subjected to an attack that normally allows a Reflex save for half damage, it takes no damage if it succeeds at its saving throw. If you have an exocortex, you gain a +1 insight bonus to AC. In addition, whenever you fail a Reflex saving throw, you can spend 1 Resolve Point to reroll the saving throw and take the higher result. You must have the overclocking mechanic trick to learn this trick.