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3-6 MegaRAID SAS RAID Controller Characteristics
Copyright © 2009 by LSI Corporation. All rights reserved.
3.1.3 MegaRAID SAS 9261 RAID Controller
The MegaRAID SAS 9261-8i low-profile SAS/SATA II RAID controller
controls eight internal SAS/SATA ports through two SFF-8087 mini-SAS
4i connectors.
This subsection provides the board layout, and connector and jumper
information for the RAID controller. Figure 3.3 shows the jumpers and
connectors on the SAS 9261-8i RAID controller.
JT11 IPMI-style SMBus
(System Manage-
ment)/I
2
C header
3-pin shielded header
Provides enclosure management support.
JT12 Individual Drive Fault LED
header for Eight Phys (0-
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’s 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.
Jumper Type Description