SUPER MICRO Computer FAN0103L4 #6. and #7. Sideband Headers, #8. and #9. I2C Connectors

Appendix E: SAS-743TQ Backplane Specifications

#6. and #7. Sideband Headers

The sideband headers are designated JP51 and JP52. For SES-2 to work properly, you must connect an 10-pin sideband cable. See the table to the right for pin defini- tions.

Sideband Headers

Pin #	Definition	Pin #	Definition
2	Backplane		Controller
		1
	Addressing		ID (SB6)
	(SB5)
4	Reset (SB4)		GND (SB2)
		3
6	GND (SB3)		SDA (SB1)
		5
8	Backplane		SCL (SB0)
		7
	ID (SB7)
10	No Connec-		No Connec-
		9
	tion		tion

#8. and #9. I2C Connectors

The I2C connectors, designated JP44 and JP45, are used to monitor HDD activity and status. See the table on the right for pin definitions.

#10. - #17. SAS Ports

The SAS ports are used to connect the SAS drive cables. These eight ports are designated #0 - #7. Each port is also compatible with SATA drives, however, do NOT mix SAS and SATA drives in the same enclosure.

I2C Connector

Pin Definitions

Pin# Definition

1Data

2Ground

3Clock

4No Connection

E-5