Sun Microsystems V490 manual Reference for Decoding I2C Diagnostic Test Messages

TABLE 6-11OpenBoot Diagnostics Test Menu Commands (Continued)

Command	Description
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

Reference for Decoding I2C Diagnostic Test Messages

TABLE 6-12describes each I2C device in a Sun Fire V490 system, and helps you associate each I2C address with the proper FRU. For more information about I2C tests, see “I2C Bus Device Tests” on page 89.

TABLE 6-12Sun Fire V490 I2C Bus Devices

Address Associated FRU What the Device Does

fru@0,a0	processor 0, DIMM 0
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

Provides configuration

information for processor 0 DIMMs

Chapter 6 Diagnostic Tools 111