
20 IBM BladeCenter JS23 and JS43 Implementation Guide
2.4.2 Processor features
The key processor features are as follows:
The BladeCenter JS23 blade provides the support for a 2-socket, 4-core,
POWER6 4.2 GHz processor implementation.
Each processor is directly mounted to the system planar board, providing
multi-processing capability.
Each processor core includes a 64-KB Instruction-Cache, 64-KB Data-Cache,
and 4 MB of L2 cache.
Each DCM contains a 32MB L3 Cache.
Table 2-13 shows the supported processor on a BladeCenter JS23 blade.
Table 2-13 BladeCenter JS23 processor support
2.4.3 Memory features
The integrated memory controller supports eight pluggable registered DIMMs,
which must be installed in pairs. The minimum memory that can be installed is
4 GB (2x2 GB) and the maximum is 64 GB (4x16 GB). All the memory features
support memory scrubbing, error correction, chipkill, and bit steering. Memory is
packaged in Very Low Profile (VLP) RDIMM packages. This newer style memory
is much lower in height allowing more memory in the same space.
2.4.4 Memory DIMMs
Table 2-14 provides a list of supported memory on a BladeCenter JS23 blade.
Table 2-14 BladeCenter JS23 memory support
Feature Description
#7778-23X IBM BladeCenter JS23 4-core 64 bit 4.2 GHz
Feature Description
#8229 4 GB (2x2 GB) DDR2 667 MHz VLP RDIMMs
#8239 8 GB (2x4 GB) DDR2 667 MHz VLP RDIMMs
#8245 16 GB (2x8 GB) DDR2 400 MHz VLP RDIMMs
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