SUPER MICRO Computer FAN0103L4 Sideband Headers, Upgrade Connector, Activity LED Header

SC743 Chassis Manual

6. and 7. Sideband Headers

The sideband headers are designated JP51 and JP52. For SES-2 to work properly, an 8-pin sideband cable must be connected. See the table to the right for pin defini- tions.

Sideband Headers

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

8. Upgrade Connector

The upgrade connector, designated JP46, is used for diagnostic purposes only. This connector should only be used by a certified and experienced technician.

9. Activity LED Header

The activity LED header, designated JP26, is used to indicate the activity status of each SAS drive. For the activity LED header to work properly, connect a 10-pin LED cable.

10. Fan Connector

The 3-pin connector, designated JP22, pro- vides power to the mobile rack fan. See the table on the right for pin definitions.

11 - 15. SAS/SATA Ports

The SAS/SATA ports are used to connect the SAS/SATA cables from the ports to the hard drives. The five ports are designated #0 - #4.

SAS Activity LED Header

Pin Definitions

Pin #	Definition	Pin #	Definition
1	ACT IN#0		ACT IN#4
		6
2	ACT IN#1		ACT IN#5
		7
3	ACT IN#2		ACT IN#6
		8
4	ACT IN#3		ACT IN#7
		9
5	Ground		Empty
		10

Fan Connectors

Pin# Definition

1Ground

2+12V

3Tachometer

D-6