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4 SPARC Enterprise T5140 and T5240 Servers Service Manual • July 2009
Related Information
■ “Infrastructure Boards in SPARC Enterprise T5140 Servers” on page 2
■ “Identifying FRUs in SPARC Enterprise T5140 Servers” on page 183
■ “Identifying FRUs in SPARC Enterprise T5240 Servers” on page 195
Internal System Cables for SPARC
Enterprise T5140 Servers
The following table identifies the internal system cables used in SPARC Enterprise
T5140 servers.
Related Information
■ “Identifying FRUs in SPARC Enterprise T5140 Servers” on page 183
Hard drive backplane This board includes the connectors for the
hard drives. This board also contains the
interconnect for the front I/O board, Power
and Locator buttons, and system/component
status LEDs.
Each drive has its own Power/Activity, Fault,
and Ready-to-Remove LEDs.
Front I/O board This board connects directly to the hard drive
backplane. This board is packaged with the
DVD drive as a single unit.
Cable Description
Top cover interlock cable This cable connects the safety interlock switch
on the top cover to the power distribution
board.
Ribbon cable This cable carries signals between the power
distribution board and the motherboard.
Hard drive data cable This cable carries data and control signals
between the motherboard and the hard drive
backplane.
Board Description