LSI 25083 manual SAS 9280-8e and SAS 9280DE-8e RAID Controllers

Table 3.4	SAS 9280-8e and SAS 9280DE-8e RAID Controllers –
	Connectors (Cont.)
Connector	Description	Comments
J1B1	x4 SAS Ports 0–3	SFF-8088 x4 external mini SAS
		connector
		Connects the cables from the controller
		to SAS drives or SATA II drives, or a SAS
		expander.
J6A1	Global Drive Fault LED	2-pin connector
	header	Connects to an LED that indicates
		whether a drive is in a fault condition.
J6A2	SAS Activity LED header	2-pin connector
		Connects to an LED that indicates drive
		activity.
J6A3	Write-pending Indicator	2-pin connector
	(dirty cache) LED
	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.
J6B1	Remote Battery Backup	20-pin connector
	Unit connector	Connects the intelligent Battery Backup
		Unit, LSIiBBU07, remotely to the RAID
		controller.
J6B2	Battery Backup Unit	20-pin connector
	connector	Connects the intelligent Battery Backup
		Unit, LSIiBBU07, directly to the RAID
		controller.

Figure 3.5 shows the jumpers and connectors on the SAS 9280-4i/4e controller.

3-10	MegaRAID SAS RAID Controller Characteristics
	Copyright © 2009 by LSI Corporation. All rights reserved.