DEC DECpc 433 Service Manual page 73

System Box FRU Replacement
Intelligent Graphics Controller
To remove the intelligent graphics controller, see Figure 3-14 and do the
following:
1. Remove the system box outside cover.
2.
Remove the chassis inner cover.
3. Lift up on the intelligent graphics controller until it5
connector is free of system board connector. There is
an interconnect board (riser card) located between the
controller and the system board. Make sure you retain
it.
DECpc 433 Workstation Service Guide