Compaq AlphaServer ES45 1B User Manual (English)

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3-2 ES45 Owner's Guide

3.1 Setting Boot Options

You can set a default boot device, boot flags, and network boot proto-

cols by using the SRM set command with environment variables. Once

these environment variables are set, the boot command defaults to the

stored values. You can override the stored values for the current boot

session by entering parameters on the boot command line. For more

information on setting boot options, see Chapter 5.

The SRM boot-related environment variables are listed below and described in

the following sections:

auto_action Determines the default action the system takes when the

system is power cycled, reset, or experiences a failure.

bootdef_dev Device or device list from which booting is to be attempted

when no path is specified on the command line.

boot_file Specifies a default file name to be used for booting when

no file name is specified by the boot command.

boot_osflags Defines parameters (boot flags) used by the operating sys-

tem to determine some aspects of a system bootstrap.

ei*0_inet_init or

ew*0_inet_init

Determines whether the interface's internal Internet da-

tabase is initialized from nvram or from a network server

(through the bootp protocol). Set this environment vari-

ableifyouarebootingTru64 UNIX from a RIS server.

ei*0_protocols or

ew*0_protocols

Defines a default network boot protocol (bootp or mop).

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Compaq AlphaServer ES45 1B Specifications

General

Processor Speed	1 GHz
Memory	Up to 32 GB
Memory Type	DDR SDRAM
Expansion Slots	6 PCI slots
Network	Integrated 10/100 Ethernet
Operating System	Tru64 UNIX, OpenVMS
Form Factor	Rackmount
Processor	Alpha EV68
Chipset	Tsunami chipset
Storage	Up to 6 hot-swap SCSI drives
I/O Slots	6 PCI slots
Power Supply	Redundant hot-swap power supplies