Lenovo Flex System x280 X6 Compute Node Installation And Service Manual page 743

Before you begin
Before you install a flash DIMM, complete the following steps:
1. Read "Safety" on page v and "Installation guidelines" on page 699.
2. Read the documentation that comes with the flash DIMMs.
3. If the compute node is installed in an Flex System chassis, remove it (see
"Removing a compute node from a chassis" on page 701 for instructions).
4. Carefully lay the compute node on a flat, static-protective surface, orienting the
compute node with the bezel pointing toward you.
About this task
This component can be installed as an optional device or as a CRU. The
installation procedure is the same for the optional device and the CRU.
The following illustration shows the system-board components, including the
DIMM connectors.
25
DIMMs
30
SAS
backplane 1
Micro-
processor
1
Micro-
processor
2
CMOS
battery
SAS
backplane 2
Ligthpath
diagnostic
43
DIMMs
panel
48
The following notes describe information that you must consider when you install
flash DIMMs:
v Install only 200 GB flash DIMMs or only 400 GB flash DIMMs, mixing of
capacities is not supported.
v Install only one flash DIMM per channel with one or two RDIMMs on the same
channel.
v You can install 1, 2, 4, 8, 12, or 16 flash DIMMs.
Chapter 7. Installing, removing, and replacing compute node components
31 1 7
DIMMs DIMMs DIMMs
36 6 12
37 19 13
DIMMs DIMMs DIMMs
42 24 18
I/O
expansion
1
Fabric 1
(some
models)
I/O
expansion
2
I/O
expansion
3
Fabric 2
(some
models)
I/O Internal
expansion USBs
4
731