
Upgrades Using B4166 and B4168 CPUs B-7
Issue the SRM show config command.
Note the version of the SRM console. The B4166 requires V6.0-514 or
higher, and the B4168 requires V6.3 or higher.
Note the firmware revision of the microprocessors. The B4166 requires
V6.0-514 or higher, and the B4168 requires V6.3 or higher.
Issue the <esc><esc>SCM command to get to the SCM monitor. Only
necessary if the system is partitioned.
Issue the set hp_count 0 command if the system is partitioned.
Issue the reset command to get back to the SRM console to run LFU.
Boot LFU. In this case, LFU is booted off the CD-ROM in a master PCI
box.
Issue the LFU update srm* command.
Issue the LFU update micro command. The system power-cycles
automatically after the micros are updated. The environment variables
determine the prompt that the system returns to.
Issue the SRM power off command.
Once the system firmware is updated and the system is powered off, place the
main circuit breaker in the Off position and replace the old CPUs.