HP Compaq nw9440 - Mobile Workstation Maintenance And Service Manual page 202

Screw Listing
mm
Where used:
3 screws that secure the memory/Mini Card module compartment cover to the
computer (screws are captured on the hard drive frame by C clips; documented
in Section 5.7)
Phillips PM2.5×4.0 Screw Locations
A–4
Table A-4
Phillips PM2.5×4.0 Screw
Color Qty.
Black 3
Length Thread
4.0 mm 2.5 mm
Maintenance and Service Guide
Head
Width
5.0 mm