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Table of Contents
z/Architecture page 5
IBM ~ zSeries 990 page 6
z990 Family Models page 10
z990 and z900 Performance Comparison page 12
z990 I/O SubSystem page 13
z990 Channels and I/O Connectivity page 15
Fibre Channel Connectivity page 17
Open Systems Adapter-Express Features
(OSA-Express) page 21
HiperSockets page 26
Cryptography page 28
Availability page 29
Advanced Availability Functions page 31
Parallel Sysplex Cluster Technology page 32
z990 Support for Linux page 46
zSeries 990 Family Confi guration Detail page 50
Physical Characteristics page 53
Coupling Facility - CF Level of Support page 54
z/OS page 56
z/VM page 79
To Learn More page 88