EMB-KB12-14IMPORTANT:• For a fully configured system, we recommend that you use a power supplyunit (PSU) that complies with ATX 12 V Specification 2.0 (or later version).• DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, thesystem will not have enough power.• We recommend that you use a PSU with higher power output whenconfiguring a system with more power-consuming devices. The systemmay become unstable or may not boot up if the power is inadequate.2.9.2 Internal connectors1. ATX power connectors (24-pin EATXPWR1, 4-pin EATXPWR2)These connectors are for ATX power supply plugs. The power supply plugsare designed to fit these connectors in only one orientation. Find the properorientation and push down firmly until the connectors completely fit.EMB-KB1 ATX power connectorsGND+5 Volts+5 Volts+5 Volts-5 VoltsGNDGNDGNDPSON#GND-12 Volts+3 Volts+3 Volts+12 Volts+12 Volts+5V StandbyPower OKGND+5 VoltsGND+5 VoltsGND+3 Volts+3 VoltsEATX_PWR1EATX_PWR2PIN 1PIN 1+12V DC+12V DCGNDGND