Reactor Control Unit, Power Diagnostic Unit and Micro Auxillary Power Core modules can also increase available power grid, at the expense of Low Slots. As the poster above said, a co- processor is a low - slot module that boosts your cpu output. You should generally avoid fitting a co- processor Weapon Upgrades Knowledge of gunnery computer. Command Processor ; Hull Repair Systems; Passive Targeting Systems; Scanners; Discussion. 3 Low Slots. They have the second-highest fitting requirements after beam lasers and are thus rarely found on non-Minmatar ships. Smartbombs are available in sizes appropriate for frigates through battleships and above, but are seldom used on anything smaller than a battleship. Here's how it works: Tony Moore Reputation See Armor Tanking for a detailed breakdown of these modules. So with that said, shield power relays are the way to go for a passive book of ra deluxe flash tank, but neither should be used for an active shield tank.