Hardware options installation 88
2.
Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Do one of the following:
o Extend the server from the rack (on page 20).
o Remove the server from the rack (on page 22).
4. Remove the access panel (on page 24).
5. Remove the air baffle (on page 28).
6. Open the DIMM slot latches.
7. Install the DIMM.
8. Install the air baffle (on page 29).
9. Install the access panel (on page 25).
10. Do one of the following:
o Slide the server into the rack.
o Install the server into the rack ("Installing the server into the rack" on page 35).
11. Power up the server (on page 20).
After installing the DIMMs, use BIOS/Platform Configuration (RBSU) in the UEFI System Utilities ("HPE
UEFI System Utilities" on page 126) to configure the memory protection mode.
PCI riser cage assembly options
The server supports three PCI riser cage assembly options:
• Two-slot PCI riser cage assembly
• Three-slot PCI riser cage assembly
• FlexibleLOM riser cage assembly ("FlexibleLOM enablement option" on page 95)
The two-slot and three-slot PCI riser cage assembly options can be installed in either the primary or the
secondary PCIe riser location. A second processor is required to support installation in the secondary
PCIe riser location.
For more information on the riser board slot specifications, see "PCIe riser board slot definitions (on page
12)."