IBM RS/6000 7025 F50 Series, Service Manual, Page: 164 / 362

Microcode Maintenance
Updates to the microcode are loaded into the using system from diskettes. If the
level of the microcode that is stored in the using system is higher than the level of
the microcode that is installed on the SSA adapter or the disk drive modules, the
higher-level microcode is automatically downloaded to the adapter and disk drive
modules when the using system runs the device configuration method.
For some problems, the service request number (SRN) might ask you to check the
microcode package ID before you exchange any field-replaceable units (FRUs). You
can determine the package ID for the adapter in either of the following two ways:
Ÿ
On the command line, type the following command and press Enter:
lsattr -E -l
<adapter>
-a ucode
where adapter is the ID of the adapter that you want to check; for example, ssa0.
The response to this command is:
ucode 8F97.ðð.
nn
Name of adapter download False
where nn is the adapter code package ID.
Ÿ
Use the Display or Change Configuration or Vital Product Data (VPD) service aid
to display the VPD for the adapter. The first two characters of the ROS Level
field contain the adapter code package ID.
To determine the ID of the microcode package that is being used on a disk drive
module, use the Display or Change Configuration or Vital Product Data (VPD)
service aid to display the VPD for the disk drive module. The first two characters of
the ROS Level field contain the ID of the microcode package for the disk drive
module.
Note: During the configuration of the complete system, all the VPD files in the
system are updated
before any microcode is downloaded from the using system to
the 6-pack. If the using system later downloads a new level of microcode to the
subsystem, the VPD for the adapter or disk drive module do not show the ID of the
new microcode package until the next time the configuration manager command
(cfgmgr) is run.
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Service Guide