B Essentials You Need * ROCK Pi 4, Model A or Model B » Power adapter with USB type C port equal or larger than 15W » Micros D Card or emcee module with emcee-to-uSD adapter board » Keyboard & Mouse » Monitor with HDMI input Quick Installation Guide 1. Download Image Writer tool Etcher and OS images from 2. If you use emcee module, put emcee module tousled adapter board, and inset uSD adapter board to card reader. If you use micros D card, just plug the micros D card to.card reader. 3.