Lenovo BladeCenter HS23 Product Manual - Page 11
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The following memory protection technologies are supported:
ECC
Chipkill
Memory mirroring
Memory rank sparing
If memory mirroring is used, then DIMMs must be installed in pairs (minimum of one pair per CPU), and
both DIMMs in a pair must be identical in type and size. The effective memory available to the system is
only half of that installed.
If memory rank sparing is used, then two single-rank or dual-rank DIMMs must be installed per populated
channel (the DIMMs do not need to be identical). In rank sparing mode, one rank of a DIMM in each
populated channel is reserved as spare memory. The size of a rank varies depending on the DIMMs
installed.
Chipkill, memory mirroring, and memory rank sparing modes are mutually exclusive. Only one operational
memory mode can be enabled on a server, and it is a system-wide setting.
The following table lists memory options available for the HS23 (7875, E5-2600 v2) server. DIMMs can be
installed one at a time, but for performance reasons, install them in sets of four (one for each of the four
memory channels).
Table 7. Memory options for the HS23 (7875, E5-2600 v2)
Part
Feature
Description
number
code
1866 MHz DIMMs
46W0688 A4G0
4GB (1x4GB, 2Rx8, 1.5V) PC3-14900 CL13 ECC
DDR3 1866MHz VLP RDIMM
46W0704 A4G2
8GB (1x8GB, 2Rx8, 1.5V) PC3-14900 CL13 ECC
DDR3 1866MHz VLP RDIMM
46W0712 A4G3
16GB (1x16GB, 2Rx4, 1.5V) PC3-14900 CL13
ECC DDR3 1866MHz VLP RDIMM
1600 MHz DIMMs
46W0692 A4FW
4GB (1x4GB, 2Rx8, 1.35V) PC3L-12800 CL11
ECC DDR3 1600MHz VLP RDIMM
46W0700 A4FX
8GB (1x8GB, 1Rx4, 1.35V) PC3L-12800 CL11
ECC DDR3 1600MHz VLP RDIMM
46W0708 A4FY
8GB (1x8GB, 2Rx8, 1.35V) PC3L-12800 CL11
ECC DDR3 1600MHz VLP RDIMM
46W0716 A4G9
16GB (1x16GB, 2Rx4, 1.35V) PC3L-12800 CL11
ECC DDR3 1600MHz VLP RDIMM
1333 MHz DIMMs
00D5008 A3KN
32GB (1x32GB, 4Rx4, 1.35V) PC3L-10600 CL9
ECC DDR3 1333MHz VLP RDIMM
Lenovo BladeCenter HS23 (E5-2600 v2)
Maximum
Standard models where
supported
used
16 (8 per
-
processor)
16 (8 per
C9x, CAx, CBx, CCx, F2x,
processor)
G3x, G4x
16 (8 per
-
processor)
16 (8 per
-
processor)
16 (8 per
-
processor)
16 (8 per
A3x, A4x, B4x, B5x, B6x,
processor)
D2x
16 (8 per
-
processor)
16 (8 per
-
processor)
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