Infortrend EonStor GSa 5000 Series Hardware Manual page 70

2. Remove screw that secures the host/expansion board to the controller (A), then carefully lift the
host/expansion board (B).
3. Orient the new/replacement host/expansion board to the controller's host/expansion board slot (A),
place it carefully, then secure it with the screw you removed in step 2 (B).
4. Insert the controller back to the enclosure.
5. Reconnect the cables and power cords, then turn on the system.
4-10 Chapter 4: System maintenance