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
3.1.3 MegaRAID SAS 9261 RAID Controller
The MegaRAID SAS 9261-8i low-profile SAS/SATA RAID controller controls eight internal SAS/SATA ports through two
SFF-8087 mini-SAS 4i connectors.
3.1.3.1 MegaRAID SAS 9261-8i RAID Controller – Board Layout and Jumper/Connector Information
This subsection provides the board layout, and the connector and jumper information for the MegaRAID
SAS 9261-8i RAID controller. The following figure shows the jumpers and connectors on the MegaRAID SAS 9261-8i
RAID controller.
JT2B2 x4 SAS Ports 0 to 3 Mini-SAS 4i Internal connector SFF-8087 x4 internal mini SAS connector
Connects the controller by cable to SAS drives or
SATA 2 drives.
JT2B3 Standard Edge Card connector The RAID controller interfaces 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.
JT6A1 Global Drive Fault LED header 2-pin connector
Connects to an LED that indicates whether a drive is in a
fault condition.
JT6A2 Hard Disk Drive Activity LED header 2-pin connector
Connects to an LED that indicates activity on the drives
connected to the controller.
JT6A3 Write-Pending LED header 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.
Table 6 MegaRAID SAS 9260CV-4i and MegaRAID SAS 9260CV-8i RAID Controllers – Jumpers and Connectors (Continued)
Jumper/
Connector
Type Description
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