September 2002
Intermediate to advanced
332 pages
11h 1m
English
Content preview from IBM eServer zSeries 900 Technical Guide
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34 IBM eServer zSeries 900 Technical Guide
every z900 model configuration must have at least one spare PU, this model 103 with 4 IFLs
has only 2 PUs left for future concurrent upgrades, which can be CP, IFL, or ICF additions. So,
if more CPs would be required, the maximum concurrent upgrade allowed is up to the model
105, with 5 CPs.
Upgrades from z900 models 101 through 109
cannot be done concurrently to models 110
and above, as this upgrade requires:
The 12-PU MCM replacement to the non-turbo 20-PU MCM
Two additional memory cards
Modular Cooling Unit (MCU) subsystem replacement
One additional Distributed Converter Assembly (DCA)
Upgrades from z900 models 110 through 116
cannot be done concurrently to models 210
and above, as this upgrade ...
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