SUPER MICRO Computer X7DBi+ user manual Overheat LED/Fan Fail JOH1, Overheat LED Pin Definitions

Chapter 2: Installation

Overheat LED/Fan Fail (JOH1)

The JOH1 header is used to connect an LED to provide warnings of chassis overheating. This LED will blink to in- dicate a fan failure. Refer to the table on right for pin definitions.

Overheat LED

Pin Definitions

Pin# Definition

15vDC

2OH Active

OH/Fan Fail LED

State	Message
Solid	Overheat
Blinking	Fan Fail

		DIMM 4D (Bank4)	CPU FAN1	24-Pin ATX PWR	8-Pin PWR
FAN5	Bank4	DIMM 4C (Bank4)	FAN7			FP CTRL
					4-Pin PWR
		DIMM 4B (Bank4)
FAN6
		DIMM 4A (Bank4)				Buzzer

A. Overheat LED

KB/Mouse

	Bank3
	USB 0/1
COM1	Bank2
	Printer
VGA	Bank1
	GLAN1

DIMM 3D (Bank3)

DIMM 3C(Bank3)

DIMM 3B(Bank3)

DIMM 3A (Bank3)

DIMM 2D(Bank2)

DIMM 2C (Bank2)

DIMM 2B(Bank2)

DIMM 2A(Bank2)

DIMM 1D(Bank1)

DIMM 1C(Bank1)

DIMM 1B(Bank1)

DIMM 1A(Bank1)

PSF SMBus PSJ3P

JAR

CPU1

FAN1

FAN2

JD1

LE1

JOH1

A

GLAN2

X7DBi+

CPU2

Intel 5000P

(North Bridge)

Slot7 SIMLP

JPG1

FAN3

FAN8

CPU FAN2

VGA
CTRL	Slot6 PCI-E X8
	JWD

Flash IDE#1

Memory

VGA

GLAN

CTRL

J28

Slot5 PCI-E X4
J27	WOL
Slot4 PCI-E X8	USB 4
Slot3 PCI-E X4

Slot2 PCI-E X4

Slot1 PCI-X 133MHZ

WOR

I-SATA2

I-SATA1

I-SATA0

Intel

ESB 2

(SouthBridge)

USB 2/3

I-SATA3	I-SATA4 I-SATA5	BIOS
JBT1	JPL1	SI/O
	JPL2
	JK1
	KEYLOCK

SMB

Floppy	Compact
JCF1	J29J30
JWF1
Battery
JL1 FAN4

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