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Chapter 6 Diagnostic Tools 113
fru@4,aa PCI riser Provides PCI riser board configuration
information
fru@5,10 Centerplane Provides communication and control for
I
2
C subsystem
fru@5,14 RSC card Provides communication and control for
the RSC card
temperature@5,30 CPU/Mem board A Monitors processor 0 temperature
temperature@5,32 CPU/Mem board B Monitors processor 1 temperature
temperature@5,34 CPU/Mem board A Monitors processor 2 temperature
temperature@5,52 CPU/Mem board B Monitors processor 3 temperature
ioexp@5,44 FC-AL disk backplane Monitors drive status/LED control
ioexp@5,46 FC-AL disk backplane Monitors Loop B control
ioexp@5,4c Power distribution board Monitors power distribution board
status
ioexp@5,70 Power Supply 0 Monitors Power Supply 0 status
ioexp@5,72 Power Supply 1 Monitors Power Supply 1 status
ioexp@5,80 Centerplane Monitors I/O port expander
ioexp@5,82 PCI riser Monitors I/O port expander
temperature@5,98 Reserved Reserved for thermal monitoring
temperature-
sensor@5,9c
FC-AL disk backplane Monitors ambient temperature at disk
backplane
fru@5,a0 Power Supply 0 Provides configuration information for
Power Supply 0
fru@5,a2 Power Supply 1 Provides configuration information for
Power Supply 1
fru@5,a6 SC card Provides SC card configuration
information
fru@5,a8 FC-AL disk backplane Provides disk backplane configuration
information
fru@5,ae Power distribution board Provides configuration information for
the power distribution board and the
enclosure
fru@5,d0 SC card Monitors SC card’s real-time clock
TABLE 6-12 Sun Fire V490 I
2
C Bus Devices (Continued)
Address Associated FRU What the Device Does