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Identifying FRUs in SPARC Enterprise T5120 Servers 183
The following table identifies the components located on the motherboard and points
to instructions for servicing them.
TABLE: Motherboard Components (SPARC Enterprise T5120 Servers)
Item FRU Replacement Instructions Notes FRU Name (If Applicable)
1 PCIe/XAUI risers “Servicing PCIe/XAUI
Risers” on page 102
Back panel PCI cross
beam must be removed
to access risers.
/SYS/MB/RISER0
/SYS/MB/RISER1
/SYS/MB/RISER2
2 Removable rear
panel cross beam
“Servicing PCIe/XAUI
Risers” on page 102
Remove this component
to service PCIe/XAUI
risers and cards.
N/A
3 PCIe filler panel “Servicing PCIe/XAUI
Risers” on page 102
Must be installed in
blank PCI slots.
N/A
4 Battery “Servicing the Battery”
on page 112
Necessary for system
clock and other
functions.
/SYS/MB/V_VBAT
5 FB-DIMMs “Identify Faulty
FB-DIMMs Using the
show faulty
Command” on page 83
“Identify Faulty
FB-DIMMs Using the
FB-DIMM Fault Locator
Button” on page 83
See configuration rules
before upgrading
FB-DIMMs.
See “FB-DIMM Configuration
Guidelines” on page 95
6 Motherboard
assembly
“Servicing the
Motherboard Assembly”
on page 117
Must be removed to
access power
distribution board and
paddle card.
/SYS/MB
7 SCC module “Servicing the SCC
Module” on page 114
Contains host ID, MAC
addresses, and service
processor configuration
data.
/SYS/MB/SC/SCC_NVRAM