User guide

LSI Corporation
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12Gb/s MegaRAID SAS RAID Controllers User Guide
October 2013
Chapter 3: MegaRAID SAS RAID Controller Characteristics
12GB/s MegaRAID SAS RAID Controller Family
J6B2
Default Serial boot ROM (SBR) header
2-pin connector
Reserved for LSI use.
J6B3 Global hard disk drive (HDD) activity LED
header
2-pin connector
Connects to an LED that indicates activity on the drives connected to
the controller.
J6B4 On-board Serial Universal Asynchronous
Receiver/Transmitter (UART) connector
4-pin connector
Reserved for LSI use.
J6B5 Global drive fault LED header 2-pin connector
Connects to an LED that indicates whether a drive is in a fault condition
J6B6 Complex programmable logic device
(CPLD) header
6-pin connector
Reserved for LSI use.
J6B7 Cache write pending header 2-pin connector.
Connector for an LED mounted on the system enclosure. The LED
indicates that the data in the cache has yet to be written to the
storage devices.
Table 4 Jumpers and Connectors (Continued)
Jumper/
Connector
Type Description
B
-%
YH YH
DN
B
-%
YHYH
DN
B
-%
YHYH
DN