Lenovo ThinkServer sd350 Installation And Service Manual page 111

• x8 = x8 organization
• x16 = x16 organization
– wwwww is the DIMM bandwidth, in MBps: 2133, 2400, 2666, 2933, 3200
– aa is the SDRAM speed grade
– m is the DIMM type
– E = Unbuffered DIMM (UDIMM), x64 primary + 8 bit ECC module data bus
– L = Load Reduced DIMM (LRDIMM), x64 primary + 8 bit ECC module data bus
– R = Registered DIMM (RDIMM), x64 primary + 8 bit ECC module data bus
– U = Unbuffered DIMM (UDIMM) with no ECC (x64-bit primary data bus)
– cc is the reference design file used for this design
– d is the revision number of the reference design used
– bb is the JEDEC SPD Revision Encoding and Additions level used on this DIMM
The following illustration shows the location of the DIMM connectors on the system board.
DIMM F2
DIMM F1
DIMM E2
DIMM E1
DIMM A1
DIMM A2
DIMM B1
DIMM B2
Figure 33. The location of the DIMM connectors on the system board
The following sections provide additional information specific to registered DIMMs that you must consider.
DIMM H2
DIMM H1
DIMM G2
DIMM G1
Microprocessor 2
Microprocessor 1
DIMM C1
DIMM C2
DIMM D1
DIMM D2
.
Chapter 5 Removing and replacing server components
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