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Level 01f
zEnterprise zEC12 models
There are five models zEC12 (machine type 2827) models: H20, H43, H66, H89 and HA1. Each model
contains user-definable Processor Units (PUs), System Assist Processors (SAPs), and spare PUs (used to
provide uninterrupted computing if there should be a problem with a working PU).
The following table lists the feature codes for each model. You will use the feature codes to place your
zEC12 order.
Table 4. Processor descriptions
Feature code
1095
1096
1097
1098
1106
1099
1100
1101
1102
1145
The server models are shown in the following illustration with InfiniBand copper and InfiniBand optical
ports installed. The actual number of ports for any model is dependent on total system configuration as
ordered. Model specifications are described in Table 5 on page 24.
Notes:
1. InfiniBand copper cables are used only to connect the I/O cages and I/O drawers to the processor.
2. PCIe copper cables are used to connect PCIe I/O drawers to the processor.
22
zEC12 IMPP
Description
Model H20, radiator-cooled, 1 processor book
Model H43, radiator-cooled, 2 processor books
Model H66, radiator-cooled, 3 processor books
Model H89, radiator-cooled, 4 processor books
Model HA1, radiator-cooled, 4 processor books
Model H20, water-cooled, 1 processor book
Model H43, water-cooled, 2 processor books
Model H66, water-cooled, 3 processor books
Model H89, water-cooled, 4 processor books
Model HA1, water-cooled, 4 processor books
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