External Towers; Model 890 Upgrades; On Demand Features - IBM eserver i5 Handbook

5486m890.fm
Note: The placement of PCI cards follows special rules. Refer to "PCI card
technology" on page 340 and PCI Card Placement Rules for the IBM
Eserver iSeries Server Version 5 Release 2, REDP-3638, before you
propose any configuration.

External towers

Migration towers are not supported on the Model 890. PCI towers are supported
with upgrades for migration only.
Refer to Chapter 15, "Towers, racks, and high-speed link" on page 259, for
information about supported towers for the Model 890, and "Summary of the
iSeries expansion units and towers" on page 105 for a table of configuration
maximums.

Model 890 upgrades

See Chapter 16, "Upgrades to iSeries servers" on page 307, for general upgrade
considerations and server-to-server upgrade possibilities. Supported model
upgrades for the Model 890 are identified in IBM Eserver iSeries Supported
Upgrades, REDP-0322.

On Demand features

The IBM eServer iSeries 890 offers several Capacity on Demand options that
make it possible to activate additional processor resource. Capacity Upgrade on
Demand, On/Off Capacity on Demand, Reserve Capacity on Demand, and Trial
Capacity on Demand are currently available. The following table summarizes the
different On Demand offerings and the features used. Base features are shaded
gray.
IBM Eserver i5 and iSeries System Handbook
256
Draft Document for Review October 18, 2004