© Copyright IBM Corp. 2002 ix
Preface
This edition of the IBM ^ zSeries 900 Technical Guide contains additional and
updated information on the following topics:
New 16 Turbo models
Customer Initiated Upgrade (CIU) support
Concurrent memory upgrades
Concurrent undo Capacity BackUp (CBU)
OSA-E High Speed Token Ring support
OSA-Express enhancements
Enhanced IBM PCI Cryptographic Accelerator (PCICA) for security
Customer-defined UDXs
FICON Express channel cards, CTC support, Cascading Directors support, 2Gbit/sec
links
Fibre Channel Protocol (FCP) support for SCSI devices
HiperSockets support
Intelligent Resource Director (IRD) LPAR CPU Management support for non-z/OS logical
partitions
System Managed Coupling Facility Structure D