Avago Technologies MegaRAID SAS 9240-4i - Manual (Page 53)

LSI Corporation
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6Gb/s MegaRAID SAS RAID Controllers User Guide
August 2013
MegaRAID SAS RAID Controller Characteristics
6Gb/s MegaRAID SAS RAID Controller Family
The following table describes the jumpers and connectors on the MegaRAID SAS 9280-8e RAID controller and the
MegaRAID SAS 9280DE-8e RAID controller.
Table 13 MegaRAID SAS 9280-8e and MegaRAID SAS 9280DE-8e RAID Controllers – Connectors
Connector Description Comments
J1A1 Universal Asynchronous
Receiver/Transmitter (UART)
debugging 4-pin connector
Reserved for LSI use.
J1A2 Test header 2-pin connector
Reserved for LSI use.
J1A3 Set Factory Defaults connector 2-pin connector
Reserved for LSI use.
J1A4 x4 SAS Ports 4 to 7 SFF-8088 x4 external mini SAS connector
Connects the cables from the controller to SAS drives or SATA drives or a
SAS expander.
J1B1 x4 SAS Ports 0 to 3 SFF-8088 x4 external mini SAS connector
Connects the cables from the controller to SAS drives or SATA drives or a
SAS expander.
J6A1 Global Drive Fault LED header 2-pin connector
Connects to an LED that indicates whether a drive is in a fault condition.
J6A2 SAS Activity LED header 2-pin connector
Connects to an LED that indicates drive activity.
J6A3 Write-Pending Indicator (dirty cache)
LED connector 2-pin connector
Connects to an LED that indicates when the data in the cache has yet to
be written to the storage devices. Used when the write-back feature
is enabled.
J6B1 Remote Battery Backup Unit connector 20-pin connector
Connects an optional remote LSIiBBU07 intelligent Battery Backup Unit or
an LSIiBBU08 unit to the RAID controller.
J6B2 Battery Backup Unit connector 20-pin connector
Connects an LSIiBBU07 intelligent Battery Backup Unit or an LSIiBBU08 unit
directly to the RAID controller.