Patent ID: 7255570

Claim:
An improved computer system for PCI-express add-in card comprising: a main printed circuit board (PCB); an add-in card based on the PCI-Express standard and comprising: a male connector plug, a short tab for prevention of said PCI-express add-in card plugging into a PCI connector, and said short tab is located on a bottom end edge of said PCI-express add-in card; a female connector socket located on the upper end edge of said main PCB for plugging-in said male connector plug of said PCI-express add-in card; said improved computer system for PCI-express add-in card comprising one or more support tabs located on the upper end edge of said main PCB, each said support tab, characterized in that when said male connector plug of said PCI-express add-in card is inserted into said female connector socket of said main PCB, each said support tab is directed towards said PCI-express add-in card and top points of said support tab touch to the bottom end edge of said PCI-express add-in card.