Compaq Evo W8000 Hardware Reference Manual page 46

Compaq Evo Workstation W8000 Hardware Reference Guide
5. Install the screws into the drive cage. See the following
illustration for screw locations.
Locating the hard drive screw holes
1.0-inch drive
1
1.6-inch drive
2
1.0-inch drive
3
1.0-inch or 1.6-inch drive
4
Hardware Upgrades
2-31