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Chapter 6 Diagnostic Tools 111
Reference for Decoding I
2
C Diagnostic
Test Messages
TABLE 6-12 describes each I
2
C device in a Sun Fire V490 system, and helps you
associate each I
2
C address with the proper FRU. For more information about I
2
C
tests, see “I2C Bus Device Tests” on page 89.
except #,# Tests all devices in the OpenBoot Diagnostics test menu except
those identified by the specified menu entry numbers
versions Displays the version, last modified date, and manufacturer of
each self-test in the OpenBoot Diagnostics test menu and
library
what #,# Displays selected properties of the devices identified by menu
entry numbers. The information provided varies according to
device type
TABLE 6-12 Sun Fire V490 I
2
C Bus Devices
Address Associated FRU What the Device Does
fru@0,a0 processor 0, DIMM 0
Provides configuration
information for processor 0 DIMMs
fru@0,a2 processor 0, DIMM 1
fru@0,a4 processor 0, DIMM 2
fru@0,a6 processor 0, DIMM 3
fru@0,a8 processor 0, DIMM 4
fru@0,aa processor 0, DIMM 5
fru@0,ac processor 0, DIMM 6
fru@0,ae processor 0, DIMM 7
TABLE 6-11 OpenBoot Diagnostics Test Menu Commands (Continued)
Command Description