IBM OpenPower 720, Технический обзор и введение

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OpenPower 720 Technical Overview and Introduction
򐂰 Two USB 2.0 ports
򐂰 Two HMC ports
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Two remote I/O (RIO-2) ports
򐂰 Two SPCN ports
In addition, the OpenPower 720 features one internal Ultra320 SCSI dual channel controller,
redundant hot-swap power supply (optional), cooling fans, and up to two processor power
regulators.
The system supports 32-bit and 64-bit applications.
1.3.1 Processor card features
The OpenPower 720 accommodates 1 and 2-way processor cards with state-of-the-art,
64-bit, copper-based, POWER5 microprocessors running at 1.5 GHz on 1-way, 1.5 GHz
2-way, and 1.65 GHz 2-way cards that share 1.9 MB of L2 on chip cache and eight slots for
memory DIMMS using DDR1 technology. 36 MB of L3 cache is available on the 2-way cards.
Capacity on Demand (CoD) is not available on the OpenPower 720. For a list of available
cards; see Table 1-3.
An initial order must have at least one processor card. Only a single 1-way card may be
present on any system, and cards with mixed clock rates cannot be installed on the same
system.
Table 1-3 Processor card and feature codes
1.3.2 Memory features
The processor cards used in the OpenPower 720 system have eight sockets for memory
DIMMs. Memory can be installed in pairs (feature numbers 1936, 1949, 1950, 1951, and
1952) or quads (feature numbers 1937, 1938, 1939, 1940, 1942, and 1945). Table 1-4 lists
the available memory features.
Table 1-4 Memory feature codes
Processor card FC Description
1960 1-way 1.5 GHz, no L3 cache, eight DDR1 DIMM sockets
1961 2-way 1.5 GHz, 36 MB L3 cache, eight DDR1 DIMM sockets
5262 2-way 1.65 GHz, 36 MB L3 cache, eight DDR1 DIMM sockets
Feature code Description
1936 0.5 GB (2x 256 MB) DIMMs, 250 MHz, DDR1 SDRAM
1937 1 GB (4x 256 MB) DIMMs, 250 MHz, DDR1 SDRAM
1938 2 GB (4x 512 MB), DIMMs, 250 MHz, DDR1 SDRAM
1940 4 GB (4x 1024 MB) DIMMs, 250 MHz, DDR1 SDRAM
1942 8 GB (4x 2048 MB) DIMMs, 250 MHz, DDR1 SDRAM
1945 16 GB (4x 4096 MB) DIMMs, 250 MHz, DDR1 SDRAM
1949 1GB (2x 512 MB) DIMMs, 266 MHz, DDR1 SDRAM
1950 2GB (2x 1024 MB) DIMMs, 266 MHz, DDR1 SDRAM