LSI MegaRAID SAS User Manual

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
The following table describes the jumpers and the connectors on the MegaRAID SAS 9270-8i RAID controller.
Table 11 MegaRAID SAS 9270-8i RAID Controller – Jumpers and Connectors
Jumper/
Connector
Type Description
J1A1 Global Drive Fault LED header 2-pin connector
Connects to an LED that indicates whether a drive is in a
fault condition.
J1A2 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.
J1A3 LSI Test header 2-pin connector
Reserved for internal use.
J1A4 Activity LED header 2-pin connector
Connects to an LED that indicates activity on the drives
connected to the controller.
J1A5 Individual PHY and Drive Fault Indication header
Ports 0 to 3
Ports 4 to 7
2x8-pin header
Connects to an LED that indicates whether a drive is in a
fault condition. There is one LED per port. When lit, each LED
indicates the corresponding drive has failed or is in the
Unconfigured-Bad state.
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.
J1A1
ak
+ve
-ve
J1A2
ak
+ve
-ve
J1A4
+ve
ak
-ve
J1A5
+ve
-ve
a
k

LSI MegaRAID SAS Specifications

General

RAID Levels	0, 1, 5
Ports	8
Form Factor	Low Profile
Operating Systems Supported	Windows, Linux, VMware
SAS Ports	8
BBU Support	Optional
Operating Temperature	0°C to 55°C