
20
dummy wafer will destruct the EMI (electromagnetic disturbance feature) integrity and reduce the
system heat dissipation effect, so it may lead to over-heat, affect system performance or lead to
component damage.
Step 2 Take off PCIE adapter, shown as the figure 2-19.
Step 3: Screw off the fixing screw of the dummy wafer of the expansion card and take off the
dummy wafer on the expansion card;
Step 4: Horizontally insert the PCIE expansion card and fix it with the screws;
Note: The disassemble steps are performed reversely.
Figure 2-19 Installation of expansion card
2.2.9 Disassembly steps of fan
Fan installation
Step 1: Align the terminal of the hotspare fan module with the internal interface of the fan cabin.