Quidway AR 28 Series Routers Installation Manual
Chapter 6 Router Maintenance
Huawei Technologies Proprietary
6-18
Figure 6-9
Position of the SDRAM on the AR 28-30/28-31/28-40/28-80
To ensure you can install the SDRAM correctly, there are two clips In the SDRAM slot
matching two concave points in the SDRAM card.
II. Replacing the SDRAM
Step 1: Locate the position of the SDRAM card on the main board.
Step 2: Press the locking spring clips at both sides of the SDRAM slot outward with
appropriate strength to unseat the SDRAM.
Figure 6-10
Remove/install the SDRAM
Step 3: Hold the SDRAM by its edges with your thumb and index finger and pull it out
from the slot. Put the SDRAM into an anti-static bag to avoid ESD damage.