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1.6.5 Processor
The processors used in the PS703 and PS704 are 64-bit POWER7 processors operating at
2.4 GHz. They are optimized to achieve maximum performance for both the system and its
virtual machines. Couple that performance with PowerVM and you are now enabled for
massive workload consolidation to drive maximum system use, predictable performance, and
cost efficiency.
POWER7 Intelligent Threads Technology enables workload optimization by selecting the
most suitable threading mode (Single thread (per core) or Simultaneous Multi-thread 2 or 4
modes, also called 2-SMT and 4-SMT). The Intelligent Threads Technology can provide
improved application performance. In addition, POWER7 processors can maximize cache
access to cores, improving performance, using Intelligent Cache technology.
EnergyScale™ Technology offers Intelligent Energy management features, which can
dramatically and dynamically conserve power and further improve energy efficiency. These
Intelligent Energy features enable the POWER7 processor to operate at a higher frequency if
environmental conditions permit, for increased performance per watt. Alternatively, if user
settings permit, these features allow the processor to operate at a reduced frequency for
significant energy savings.
The PS703 and PS704 come with a standard processor configuration. There are no optional
processor configurations for the PS703 and PS704. The PS703 and PS704 processor
configurations are as follows:
The PS703 blade server is a single-wide blade that contains two eight-core, 64-bit
POWER7 2.4 GHz processors with 256 KB per processor core L2 cache and 4 MB per
processor core L3 cache. No processor options are available.
The PS704 blade server is a double-wide blade that supports four eight-core, 64-bit
POWER7 2.4 GHz processor with 256 KB per processor core L2 cache and 4 MB per
processor core L3 cache. No processor options are available.
1.6.6 Memory features
The PS703 and PS704 blade servers uses industry standard VLP DDR3 memory DIMMs.
Memory DIMMs must be installed in matched pairs with the same size and speed. For details
about the memory subsystem and layout, see 2.4, "Memory subsystem" on page 47.
The PS703 and PS704 blade serves have 16 and 32 DIMM slots, respectively. Memory is
available in 4 GB, 8 GB, or 16 GB DIMMs, all operating at a memory speed of 1066 MHz. The
memory sizes can be mixed within a system.
The POWER7 DDR3 memory uses a new memory architecture to provide greater bandwidth
and capacity. This enables operating at a higher data rate for larger memory configurations.
For details, see 2.4, "Memory subsystem" on page 47. Table 1-7 shows the DIMM features.
Table 1-7 Memory DIMM options
Feature code
8196
8199
EM34
20
IBM BladeCenter PS703 and PS704 Technical Overview and Introduction
Total memory size
Package includes
8 GB
Two 4 GB DIMMs
16 GB
Two 8 GB DIMMs
32 GB
Two 16 GB DIMMs
Speed
1066 MHz
1066 MHz
1066 MHz
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