IBM System x3250 M3 Type 4251 Installation And User Manual page 65

SAS/SATA signal
cable
Hard disk drive
backplane
configuration cable
Hard disk
drive backplane
13. Align the ServeRAID adapter so that the keys align correctly with the
connector on the riser-card assembly.
Adapter
Riser-card
assembly
Attention: PCI expansion-slot covers must be installed on all vacant slots.
This maintains the electronic emissions characteristics of the server and
ensures proper cooling of server components.
14. Make sure that the riser-card assembly keys align correctly with the connectors
on the system board and press down on the riser-card assembly until it is
seated firmly into the connectors on the system board.
Microprocessor
Heatsink
Orientation
DIMMs
DIMMs
Expansion-slot cover
Expansion slot 2
Expansion slot 1
Expansion-slot cover
Adapter
Guide channels
Chapter 2. Installing optional devices
51