Digital Equipment DEC 10000, Service Manual

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2-6 Servicing the CPU
2.2 How to Replace the Only Processor
When replacing the only processor in a system, you must store the
system ID and customized boot paths. If the customer changed
console environment variables from the default values, you will
want to set them as the customer wishes.
Example 2-1 Replacing a Single Processor
>>> show device # Shows device sizes in the
# system and the path to the
# devices.
polling for units on kzmsa0, slot 3, xmi0...
dka300.3.0.3.0 DKA300 RZ73
dka400.4.0.3.0 DKA400 RZ73
dkb400.4.1.3.0 DKB300 RRD42
>>> set eeprom serial
System Serial Number> GAO1234567 # Enter system serial no.
>>> set bootdef_dev dka400.4.0.3.0 # Sets the default
# boot device.
>>> set boot_osflags 8001,2,0# Set custom boot flags;
# operating system dependent.
>>> show * # Shows the environment
# variables.
>>> create -nv old_disk duc1.0.0.11.2
# Setting a possible boot
# path to "old" disks. See
# the Operations Manual for
# details.
>>> set eeprom field #
LARS> 01234567 # Enter LARS number.
Message> # Enter message.
>>> boot