LSI 25083 manual Card Layout for the MegaRAID SAS 9280-4i/4e RAID Controller

Figure 3.5 Card Layout for the MegaRAID SAS 9280-4i/4e RAID Controller

J1A4	J1A1
J1A2
J1A3
J1A5	J1B1	Port
		7-4
	85062-00

J2B2

Port

3-0

J6A2

J6A1 J6A3

J6B1

J6B2

Note: Connectors J6A1, J6A2, and J6A3 are behind the LSIiBBU07 when the iBBU is installed, but they are still accessible.

Table 3.4 describes the jumpers and connectors on the SAS 9280-4i/4 RAID controller.

Table 3.5	SAS 9280-4i/4e RAID Controller – Connectors
Connector	Description	Comments
J1A1	Universal Asynchronous	4-pin connector
	Receiver/Transmitter
	(UART) debugging	Reserved for LSI use.
J1A2	LSI Test header	2-pin connector
		Reserved for LSI use.
J1A3	Set Factory Defaults	2-pin connector
	connector	Reserved for LSI use.
J1A4	IPMI-style I2C	3-pin connector.
	connector	Supports SES (SCSI Enclosure
		Services) over I2C over internal I2C
		backplane cable
J1A5	Modular RAID Key	2-pin shielded header
	header	Enables support for RAID 5
		configurations and self-encrypting disks
		(SED).
MegaRAID 6Gb/s SAS RAID Controller Family			3-11

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