HPE Integrity rx2800 i2 series User's & Service Manual page 172

7. Remove the PCI riser cage (Removing the PCI riser cage).
CAUTION:
To prevent damage to the server or expansion boards, power off the server and remove all AC
power cords before removing or installing the PCI riser cage.
8. Remove all DIMM expansion boards (Removing and replacing DIMMs on page 164).
9. Remove all processor heat sink modules (Removing and replacing a processor and heat sink
module on page 160).
172 Removal and replacement procedures