Specifications

Escala Tower PL & S, E, T System Hardware
Chapter 1: Family Overview 1/30
9es3s1c1.doc
Rev 5.9
02/12/2003
Chapter 1: Family Overview
This chapter gives an overall view of the Escala Tower PL, S, E and T Series, describing their main
features.
1. ESCALA TOWER PL, S, E AND T SERIES - GENERAL FEATURES ..............................3
1.1. Reliability Availability and Serviceability.................................................................................................................3
1.1.1. RAS Functions Summary ......................................................................................................................................3
1.2. PowerPC Architecture ................................................................................................................................................4
1.3. Logical Partitioning .....................................................................................................................................................5
1.4. PowerPC 604e Processors ...........................................................................................................................................6
1.5. PowerPC 620 Processors.............................................................................................................................................7
1.5.1. 64-bit Advanced Superscalar Microprocessor.......................................................................................................7
1.5.2. Cache and MMU Support ......................................................................................................................................8
1.5.3. Flexible Bus Support .............................................................................................................................................8
1.5.4. PowerPC 620 Microprocessor Major Features......................................................................................................8
1.6. PowerPC RS64-II Processors .....................................................................................................................................9
1.7. PowerPC RS64-III Processors..................................................................................................................................10
1.8. PowerPC RS64-IV Processors..................................................................................................................................10
1.9. POWER3-II Architecture .........................................................................................................................................11
1.10. POWER4 Architecture ...........................................................................................................................................11
1.11. Escala Tower PL, E and T PowerPC System Structure ......................................................................................12
1.12. PowerScale Architecture - PowerPC SMP Design ...............................................................................................12
1.12.1. PowerScale/2 Architecture ................................................................................................................................14
1.12.2. PowerScale/4 Architecture ................................................................................................................................15
1.12.3. PowerScale/Flex Architecture ...........................................................................................................................16
2. ESCALA TOWER PL, S, E AND T SYSTEMS .................................................................18
2.1. Servers Series .............................................................................................................................................................18
2.1.1. Escala S Series Servers ........................................................................................................................................18
2.1.2. Escala E Series Servers........................................................................................................................................19
2.1.3. Escala T Series - Tower Servers ..........................................................................................................................20
2.1.4. Escala Tower PL Series .......................................................................................................................................20