From Boeing 787 SDS 44-26-00:
"Systems Description Section 787
In-Flight Entertainment System I8000
Component Location
Description
1.
Forward Electronic Equipment (EE) Compartment
These in-flight entertainment (IFE) system components are in the cabin equipment center (CEC) in the forward EE bay:
●
Digital audio video controller (AVC-D)
●
Digital server unit (DSU) - D3
●
Configuration plug.
2.
Crown Area
These IFE system components are in the crown area above the passenger compartment ceiling:
●
Area distribution box (ADB) - gigabit
●
Digital tapping unit (TU)."