Compaq V6500 - Manual (Page 123)

Phillips PM2.5×5.0 captive screw
Color Quantity Length Thread Head width
Black 3 5.0 mm 2.5 mm 5.0 mm
Where used: 3 captive screws (secured by C-clips) that secure the fan/heat sink assembly to the
computer
Phillips PM2.5×5.0 captive screw 115