User`s guide

3-4 MegaRAID SAS RAID Controller Characteristics
Copyright © 2009 by LSI Corporation. All rights reserved.
3.1.2 MegaRAID SAS 9280 RAID Controllers
The MegaRAID SAS 9280-8e low-profile SAS/SATA II RAID controller
controls eight external SAS/SATA ports through two SFF-8088 Mini SAS
4x external connectors.
The MegaRAID SAS 9280DE-8e low-profile SAS/SATA II RAID controller
controls eight external SAS/SATA ports through two SFF-8088 Mini SAS
4x external connectors and offers data security using disk encryption.
This subsection provides the board layout and connector information for
the SAS 9280-8e RAID controller and the SAS 9280DE-8e RAID
controller. Figure 3.2 shows the jumpers and connectors on the
controllers.
JT10 LSI Test header 2-pin connector
Reserved for LSI use.
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