Compaq Deskpro 2000 - Manual (Page 175)

Compaq Deskpro 2000 Series of Personal Computers 6-33
Figure 6-33. Removing the LED Cable Assembly, Pentium II System
To install the LED cable, reverse the above procedure.
✎
When reinstalling the LED end, place the LED with the black wire on top and the LED with
the white wire on the bottom. The connector is keyed to ensure proper installation.