LSI Corporation
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6Gb/s MegaRAID SAS RAID Controllers User Guide
August 2012
Chapter 3: MegaRAID SAS RAID Controller Characteristics
6Gb/s MegaRAID SAS RAID Controller Family
JT6 x4 SAS Ports 3 to 0 SFF-8087 x4 internal mini SAS connector
Connects the cables from the RAID controller to SAS drives, SATA drives, or a
SAS expander.
JT7 x4 SAS Ports 7 to 4 SFF-8087 x4 internal mini SAS connector
Connects the cables from the RAID controller to SAS drives, SATA drives, or a
SAS expander.
NOTE The MegaRAID SAS 9260-4i RAID controller does not have this connector.
JT8 Advanced Software Options Hardware
Key header
2-pin connector
Enables support for the Advanced Software Options features, which include
CacheCade®, FastPath, Recovery, and SafeStore™ disk encryption.
JT9 Set Factory Defaults connector 2-pin connector
Reserved for LSI use.
JT10 LSI Test header 2-pin connector
Reserved for LSI use.
JT11 IPMI-style SMBus (System
Management)/I
2
C header
3-pin shielded header
Provides enclosure management support.
JT12 Individual Drive Fault LED header for
Eight Phys (0 to 7)
16-pin connector
Indicates drive faults. There is one LED per port. When lit, each LED indicates the
corresponding drive has failed or is in the Unconfigured-Bad state. Refer to the
MegaRAID SAS Software User Guide for more information about drive states.
The LEDs function in a direct-attach configuration (there are no SAS expanders).
Direct attach is defined as a maximum of one drive connected directly to
each port.
NOTE This header is used for RAID controllers with internal SAS ports only.
JT13 Universal Asynchronous Receiver/
Transmitter (UART) debugging
4-pin connector
Reserved for LSI use.
Table 4 MegaRAID SAS 9260-4i, SAS 9260-8i, and SAS 9260DE-8i RAID Controllers – Jumpers and Connectors (Continued)
Jumper Type Description
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