user manual

vii
About this Manual
Summary of Changes ................................................................................................xix
Systems Supported ....................................................................................................xxi
Overview ..................................................................................................................xxii
Comments and Suggestions .....................................................................................xxii
Conventions Used in This Manual ......................................................................... xxiii
CHAPTER 1 System Architecture
PICMG Compliance ................................................................................................. 1-1
System Domains ....................................................................................................... 1-1
System Layout .......................................................................................................... 1-2
CPX8216 ........................................................................................................... 1-2
CPX8216T (H.110) ........................................................................................... 1-4
Bus Access and Control ........................................................................................... 1-4
The Hot Swap Controller/Bridge (HSC) Module .................................................... 1-5
Hot Swap Controller ................................................................................................ 1-6
System Processor Configurations ............................................................................ 1-7
The Simplex Configuration ............................................................................... 1-7
The Active/Passive Configuration .................................................................... 1-8
The Active/Active or Load-Sharing Configuration .......................................... 1-9
I/O Configurations ................................................................................................. 1-10
Peripherals .............................................................................................................. 1-10
Power/Fan Modules ........................................................................................ 1-10
Drive Modules .................................................................................................1-11
CPU Complex Architecture ................................................................................... 1-12
The CPU Module ............................................................................................ 1-12
Switching Service to the Passive CPU ............................................................ 1-13
Chassis ID for CPX8216T ..................................................................................... 1-13
Alarms and LEDs ................................................................................................... 1-13
H.110 Telephony Bus ............................................................................................. 1-14
Board Insertion and Extraction Features ................................................................ 1-14
Staged Pins ...................................................................................................... 1-15
BD_SEL# ........................................................................................................ 1-15
ENUM# ........................................................................................................... 1-15
Contents