Mounting apparatus for circuit board

A mounting apparatus assembly, comprising:

• a circuit board comprising a position block;
• an enclosure comprising a bottom plate, a first through hole defined on the bottom plate, and a first depressed portion defined around the first through hole;
• at least one first mounting member comprising a first securing portion, and a first fixing hole defined on the first securing portion;
• and
• a second mounting member comprising a first position portion and a first mounting portion, and a position slot defined in the first position portion;
• wherein the first position portion is received in the first depressed portion to prevent the first position portion from rotating relative to the bottom plate;
• the first mounting portion passes through the first through hole to be fixed in the first fixing hole;
• the bottom plate is fixed between the first securing portion and the first position portion;
• and the position block engages the position slot to fix the circuit board on the enclosure;
• the at least one first mounting member further comprising a first fixing portion extending from a top of the first securing portion;
• the fixing portion resists a mounting board fixed on the bottom plate;
• the mounting board comprises a mounting board body, and two fixing slots defined on the mounting board body;
• each of the two fixing slots comprises an inserting slot and a receiving slot;
• the first fixing portion passes through the inserting slot to move the mounting board on the bottom plate along a first direction;
• and the first securing portion slides in the receiving slot to fix the mounting board on the bottom plate.