Patent ID: 8427843

Claim:
A mounting apparatus for selectively mounting a first expansion card or a second expansion card lower than the first expansion card, the mounting apparatus comprising: a bracket; a retaining member fixed to the bracket and comprising a positioning post, the retaining member also defining a locking hole; and a pivoting member pivotably attached to the retaining member and comprising a pressing portion and a resilient portion, wherein the pressing portion defines a first locking slot and a second locking slot in opposite sides of the pressing portion, a positioning section is formed on the resilient portion; wherein when attaching the first expansion card to the bracket, the pivoting member is rotated along a first direction, the first locking slot of the pressing portion limits the first expansion card, the positioning section of the pivoting member is locked to the positioning post of the retaining member to avoid the pressing portion releasing from the first expansion card; and wherein when attaching the second expansion card to the bracket, the pivoting member is rotated along a second direction opposing to the first direction, the second locking slot of the pressing portion limits the second expansion card, the positioning section of the pivoting member is locked to the locking hole of the retaining member to avoid the pressing portion releasing from the second expansion card.