HPlogo System Startup, Configuration, and Shutdown Reference Manual: HP 3000 MPE/iX Computer Systems

Chapter 3 System Startup Functions

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Table of Contents

Initial System Loader (ISL)
Using initial system loader (ISL) commands
Using the help facility for ISL commands
Listing Available ISL Utilities
Activating and Deactivating Autoboot and Autosearch Functions
Modifying boot paths in stable storage
Displaying current boot path, autoboot, and autosearch settings
Setting fastsize
Listing autoboot file contents
Reading Nonvolatile Memory (NVM)
Reading stable storage
Reading and setting the hardware clock
ISL Boot Utilities
Starting the System
Using START and its options
Executing commands during system startup
Starting a 900 Series HP 3000
Updating the Operating System
The ISL utility
Scheduling a System Update
Using the UPDATE utility and options
Updating the operating system: a preview
Updating the system configuration: a preview
Updating to recover from system failure: a preview
Backing up the system and retaining the current configuration
Installing the Operating System
Using the INSTALL utility to recover a lost system
Scheduling an INSTALL
Using the INSTALL utility and options
Installing the operating system: a preview
Back up the system and retain the current configuration
Dumping System Memory and Secondary Storage
What is the function of the DUMP utility?
Using the DUMP utility and options
Entering the DUMP utility and starting the system
ISL Summary

The initial system loader (ISL) provides a command-driven user interface for accessing boot utilities or issuing ISL commands to display or change system startup functions. When the system is booted from tape (tape boots), processor-dependent code (PDC) directly loads the ISL. When the system is booted from disk (disk boots), PDC and input/output-dependent code (IODC) boot the utility MMSAVE, which in turn boots ISL.

When loaded, the ISL displays its revision number and prompts for input:

   ISL Revision A.00.07  September 12, 1990



   ISL>
NOTE: The prompt changes to ISL>, indicating the ISL is active.
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