Phillips PM2.5×4.0 screw
Color
Black
Where used: 4 screws that secure the upgrade bay device to the computer
Where used: One screw that secures the heat sink to the system board on computer models equipped
with discrete graphics subsystem memory
118 Chapter 7 Screw listing
Quantity
Length
5
4.0 mm
Thread
Head diameter
2.5 mm
5.0 mm