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Chapter 2: installation, Aa. clear cmos b. watch dog enable, X8st3-f/x8ste – SUPER MICRO Computer X8STE User Manual

Page 53

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Chapter 2: Installation

2-29

BMC JTAG

1

SAS1

SAS2

SAS7

SAS3

SAS4

SAS5

SAS6

JWOL

Battery

JD1

SPKR1

JAR

JI2C1

JI2C2

JPS2

JL1

1

JOH

1

JF1

LES1

LE1

COM1

FAN4

FAN3

FAN5

FAN2

FAN1

JPW1

SMBUS_PS1

JPW2

JPG1

JPUSB3

JBMC1

JPS1

JPUSB2

JPL1

JPL2

JLED

JWD

JPUSB1

IPMI_LAN

COM2

Floppy

I-Button

T-SGPIO1

3-SGPIO2

3-SGPIO1

USB 6/7

USB 4/5

USB3

USB2

Slot6 PCI-E 2.0 X8 on X16

Slot3 PCI-E 2.0 X8

I-SA

TA4

I-SA

TA5

Slot4 PCI-E 2.0 X4 on X8

Slot2 PCI 33MHz

Slot5 PCI-E 2.0 X8

I-SA

TA2

I-SA

TA3

DIMM1B

DIMM1A

DIMM3B

DIMM2B

DIMM2A

DIMM3A

I-SA

TA0

I-SA

TA1

X8ST3-F/X8STE

USB 0/1

LAN2

LAN1

VGA

KB/MOUSE

BIOS

JBT1

Slot1 PCI 33MHz

SAS0

T-SGPIO2

LAN CTRL

for IPMIl LAN

LAN

CTRL1

LAN

CTRL2

SI/O

BMC CTRL

BMC

Firmware

SAS CTRL

Intel ICH10R

South Bridge

Intel X58-Express

North Bridge

Intel Processor

LES2

LSI 1068E

WPCM 450

CPU FAN

CMOS Clear
JBT1 is used to clear CMOS. Instead of pins, this "jumper" consists of contact pads
to prevent accidental clearing of CMOS. To clear CMOS, use a metal object such
as a small screwdriver to touch both pads at the same time to short the connection.
Always remove the AC power cord from the system before clearing CMOS.
Note: For an ATX power supply, you must completely shut down the system, remove
the AC power cord and then short JBT1 to clear CMOS.

A

A. Clear CMOS
B. Watch Dog Enable

Watch Dog Enable/Disable
Watch Dog is a system monitor that can
reboot the system when a software appli-
cation hangs. Close pins 1-2 to reset the
system if an application hangs. Close pins
2-3 to generate a non-maskable interrupt
signal for the application that hangs. See
the table on the right for jumper settings.
Watch Dog must also be enabled in the
BIOS.

Watch Dog

Jumper Settings (JWD)

Jumper Setting Definition

Pins 1-2

Reset

(default)

Pins 2-3

NMI

Open

Disabled

B

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