LSI 25083 Computer Hardware User Manual


 
MegaRAID 6Gb/s SAS RAID Controller Family 3-3
Copyright © 2009 by LSI Corporation. All rights reserved.
Table 3.1 SAS 9240-4i/SAS 9240-8i RAID Controller – Jumpers
and Connectors
3.1.2 MegaRAID SAS 9260 RAID Controllers
The MegaRAID SAS 9260-4i low-profile SAS/SATA II RAID controller
controls four internal SAS/SATA ports through one SFF-8087 x4 internal
mini SAS connector.
Jumper Type Description
J1 RISCwatch header 16-pin header
Reserved for LSI use.
J2 CPLD header 10-pin header
Reserved for LSI use.
J3 External LED drive
activity/fault header
4-pin connector
Connects to external, green or red LEDs
that indicate drive activity or faults.
J4 x4 SAS Ports 0–3 SFF-8087 x4 internal mini SAS connector
Connects the cables from the controller to
SAS drives or SATA II drives, or a SAS
expander.
J5 x4 SAS Ports 4–7 SFF-8087 x4 internal mini SAS connector
Connects the cables from the controller to
SAS drives or SATA II drives, or a SAS
expander.
Note: The SAS 9240-4i RAID controller
does not have the J5 connector.
J6 PCI Express x8 board
edge connector
x8 interface that provides connections on
both the top and the bottom of the board.
TP1 Universal Asynchronous
Receiver/Transmitter
(UART) debugging
4-pin connector
Reserved for LSI use.
U2 MegaRAID RAID Key
connector
2-pin connector
To create a RAID 5 configuration, you have
to plug a 1-wire key into this connector.