Lenovo ServeRAID M5120, User Manual

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3-4 ServeRAID M5120 SAS/SATA Controller Characteristics
J2B1 Standard edge card
connector 49-pin connector
The controller has an interface with the
host system though a standard edge
card.
This interface provides power to the
board and an I
2
C interface connected to
the I
2
C bus for IPMI.
J4A1 Serial EEPROM 2-pin connector
Provides controller information, such as
the serial number, revision, and
manufacturing date. The default is no
shunt installed.
J4A2 Test header 2-pin header
Reserved for Lenovo use.
J5A1 Serial Universal
Asynchronous
Receiver/Transmitter
(UART) connector for the
Expander 4-pin connector
Reserved for Lenovo use.
J5B1 DDR3 Board-to-board
connector 240-pin connector
Connects the controller to a
daughtercard, such as the transportable
memory module.
J6A1 Serial Universal
Asynchronous
Receiver/Transmitter
(UART) connector for the
Expander 4-pin connector
Reserved for Lenovo use.
Table 3.1 ServeRAID M5120 SAS/SATA Controller Connectors
(Cont.)
Connector Type Description