Sun Microsystems CP2500 manual Contents

Contents

Preface xi

1.Watchdog Timer 1 Overview 1

PICL Plug-In Module 2

Watchdog Node Management Code 5

OpenBoot PROM Interface 21

2. Environmental Monitoring	23
Environmental Monitoring Component Compatibility			24
Typical Environmental Monitoring System Application			24
Typical Cycle From Power Up to Shutdown		26
Environmental Monitoring Protection at the OpenBoot PROM 26
Environmental Monitoring Protection at the Operating System Level 26
Post Shutdown Recovery	27
Hardware Environmental Monitoring Functions 28
Switching Power On and Off 31
Inlet, Exhaust, and CPU Temperature Monitoring			31
Adjusting the Environmental Monitoring Warning, Critical, and Shutdown
Parameter Settings on the Board 32
OpenBoot PROM Environmental Monitoring		33

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