DIMMs
EMC VNX5500 Parts Location Guide 37
DIMMs
The Storage Processor (SP) requires 12 GB per SP or 24 GB per array and the Data Mover
requires 12 GB per Data Mover.
SP DIMMs
The SP CPU uses SDRAM DIMMs
4
. Each SP uses three 4-GB unbuffered Double-Data-Rate
3 (DDR3) type memory for a total of 12 GB per SP or 24 GB per DPE or array. Figure 31
shows an example of the SP DIMM slot location.
Figure 32 on page 38 shows an example of the SP DIMM with a part number label.
Table 25 on page 39 lists the part number, description, and whether it is a FRU or CRU.
The DIMM part numbers are visible only when you remove the DIMM from the DIMM slot.
You must first take the SP out of service, disconnect any SP cables, remove the SP from the
DPE, then remove the SP power supply/cooling module from the SP (see Figure 10 on
page 15, Figure 11 on page 15, and Figure 12 on page 16). With the SP CPU laying on an
antistatic mat, lift the DIMM cover up in the SP CPU, and then remove the DIMM from the
DIMM slot. Ensure that you remove only those DIMMs that you intend to replace. For more
information about removing and installing the DIMM or memory module, refer to the
Replacing a memory module
procedure available from the VNX Procedure Generator
program.
Note the orientation of the VNX5500 Block and File (Unified) platform SP DIMMs (see
locations DIMM 0, DIMM 1, and DIMM 2 in Figure 31 on page 38). A label on the DIMM
cover also identifies the DIMM slots as DIMM 0, DIMM 1, and DIMM 2. In the VNX5500
Block and File (Unified) platform, the DIMMs are placed in slots 0, 1, and 2.
4. The term DIMM is used throughout this guide. The term DIMM is also referred to as a memory
module. These terms are interchangeable and basically mean the same thing.
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