Component identification 89
Auxiliary path A/B protection
FSBBU fault or other protections
For more information about the FSBBU module, see "750 W Flex Slot Hot Plug Battery Backup Module
("HPE 750W Flex Slot Hot Plug Battery Backup Module" on page 39)."
Non-hot-plug PCI riser board slot definitions
• Primary riser cage connector, connected to processor 1 or the Southbridge
PCIe 3-slot riser cage* Optional PCIe 2-slot x16 riser cage
1 - FL/FH
• Secondary riser cage connector, connected to processor 2 (processor 2 must be installed)
*The server ships with one PCIe3 riser cage installed in the primary riser cage connector.
Notes:
• "Primary" denotes the riser cage is installed in the primary riser connector.
• "Secondary" denotes the riser cage is installed in the secondary riser connector.
• Installing the riser cages listed in the table above in either the primary or secondary riser connectors
determines the form factor of the PCI expansion boards supported by those riser cages.
• FL/FH denotes full-length, full-height. HL/FH denotes half-length, full-height.