Asus NCT-D - Manual (Page 27)

A S U S N C T - D A S U S N C T - D A S U S N C T - D A S U S N C T - D A S U S N C T - D 2 - 5 2 - 5 2 - 5 2 - 5 2 - 5
7. Carefully align and place the
plate on a rectangular cut on the
contour sheet.
8. Repeat steps 4 and 7 to prepare
and install the second plate.
Make sure that the metal support plates fit perfectly to the rectangular
cuts on the contour sheet; otherwise, the CPU heatsink screws would
not align to the metal nuts.
9. Remove the contour sheet from
the chassis.