IBM 3530 M4 Betriebsanweisung PDF herunterladen (Seite 12)

IBM System x3530 M412

Memory options

IBM DDR3 memory is compatibility tested and tuned for optimal IBM System x® performance and

throughput. IBM memory specifications are integrated into the light path diagnostics panel for immediate

system performance feedback and optimum system uptime. From a service and support standpoint, IBM

memory automatically assumes the IBM system warranty, and IBM provides service and support

worldwide.

The IBM System x3530 M4 supports DDR3 memory. The server supports up to six DIMMs when one

processor is installed, and up to 12 DIMMs when two processors are installed. Each processor has three

memory channels, and there are two DIMMs per channel. The following rules apply when selecting the

memory configuration:

Mixing different types of memory (UDIMMs and RDIMMs) is not supported.



Mixing 1.5 V and 1.35 V DIMMs in the same server is supported; in such cases, all DIMMs operate at



1.5 V.

The maximum quantity of DIMMs that can be installed in a server depends on the number of



processors (six DIMMs with one processor installed, 12 DIMMs with two processors installed)

All DIMMs in all processor memory channels operate at the same speed, which is determined as the



lowest value of:

The memory speed supported by the specific processor.



The lowest of maximum operating speeds for the selected memory configuration that depends on



the rated speed, operating voltage, and quantity of DIMMs per channel, as shown under the

"Maximum operating speed" section in Table 4.

Table 4. Maximum memory speeds

DIMM type

Specification

UDIMM RDIMM

RankDual rankSingle rankDual rank

Rated speed1333 MHz1333 MHz1600

MHz

1333 MHz1600

MHz

Rated voltage1.35 V1.35 V1.5 V1.35 V1.5 V

Operating voltage1.35 V1.5 V1.35 V1.5 V1.5 V1.35 V1.5 V1.5 V

Max quantity*1212121212121212

Largest DIMM4 GB4 GB4 GB4 GB4 GB16 GB16 GB8 GB

Max memory capacity48 GB48 GB48 GB48 GB48 GB192 GB192 GB96 GB

Max memory at max speed24 GB24 GB48 GB48 GB48 GB192 GB192 GB96 GB

Maximum operating speed (MHz)

1 DIMM per channel1333

MHz

1333

MHz

1333

MHz

1333

MHz

1600

MHz

1333

MHz

1333

MHz

1600

MHz

2 DIMMs per channel1066

MHz

1066

MHz

1333

MHz

1333

MHz

1600

MHz

1333

MHz

1333

MHz

1600

MHz

* Maximum quantity supported is shown for two processors installed. When one processor is installed, the

maximum quantity supported is a half of what is shown.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 44 45

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