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Cisco UCS B420 M4 Blade Server
CONFIGURING the SERVER
15
For more information regarding memory, see
DIMM and CPU Layout on page 40
Supported Configurations
(1) Without memory mirroring:
■
Select from 1 to 12 DIMMs per CPU (note that there are 12 DIMM slots per CPU). There must
be at least 1 DIMM per CPU.
(2) With memory mirroring:
■
Select 4 DIMMs per CPU (installed in bank 1), 8 DIMMs per CPU (installed in banks 1, 2), or 12
DIMMs per CPU (installed in banks 1, 2, 3).
DIMM and CPU
Frequencies
DIMMs per
Channel
LRDIMM speed
(quad rank x4)
64 GB 1.2 V
RDIMM speed
(dual rank x4)
32 GB 1.2 V
LRDIMM speed
(quad rank x4)
32 GB 1.2 V
LRDIMM speed
(single rank x4)
16 GB 1.2 V
DIMM FREQ - 2133
CPU FREQ - 1866
1 DPC
NA
1866
1866
1866
2 DPC
NA
1866
1866
1866
3 DPC
NA
1600
1866
1600
Table 8 DIMM Speeds for E5-4600 v4 Series CPUs
(continued)