Power SMB I2 C Connector | SUPER MICRO Computer X7DBU, X7DGU

Chapter 2: Installation

Power SMB (I2 C) Connector

Power SMB (I2 C) Connector (J17) monitors onboard power supply, fan speeds and system temperatures. See the table on the right for pin deﬁnitions.

PWR SMB

Pin Deﬁnitions

Pin# Deﬁnition

1Clock

2Data

3PWR Fail

4Ground

5+3.3V

VGA Connector

A VGA connector (J15) is located next to the GLAN2 port on the IO backplane. Refer to the board layout below for the location.

A

4-Pin PWR 8-Pin PWR

Fan7

17

2PW J

3PW J

Buzzer

J

KB/MS0/1 USBCOM1

Fan6

Fan5

PWR SMB

SP1

Bank4 Bank3

CPU Fan1

J9B1J9B2 J8B2J8B3J8B1

DIMM4B

1JPW

JKM1

DIMM4A

20-Pin Main PWR

DIMM3B

DIMM3A

Fan1

Bank2

DIMM2B

JF1

J7B3

RLCTP

JCOM1

DIMM2A

CPU1

Battery

J7B2

F

VGA

B

Bank1

DIMM1B

J7B1

DIMM1A

Fan2

J15

1DJ

LAN1

LE1

Intel 5000

JOH1

JLAN1

JP1

LAN2

(North Bridge)

JLAN2

UID

Fan3

LAN

CPU2

LE2 SW1

Rear

J14

9J

0

1ATAS-I

2ATAS-I

3ATAS-I

4ATAS-I

Fan8

5ATAS-I

CTRL

CPU FAN2

PCI-X 133 MHz

I2C2

I2C1

J28

J27

SXB2: PCI-E x8

UIO PWR

J11

5J

ATA S-I

X7DBU

SXB1: PCI-E x16

1#

SGPIO1

E

ID

J29

Intel ESB2

J30

O

SGPIO2

(South Bridge)

SIM

S

yromeM

SIO B

ypploF

JWOR1

JBT1

J7

JPG1

ES1000

oe

Vid

J18

Video CTRL

JWD

I/O

J22

JK1

SMB

S

COM2

JWOL1

JL1

USB2/3

JPL2

USB4

JPL1

Fan4

2-21

A. PWR SMB B. VGA

Image 41

SUPER MICRO Computer X7DBU, X7DGU user manual Power SMB I2 C Connector, VGA Connector

Contents

Super Reproductive harm Conventions Used in the Manual About This ManualManual Organization Table of Contents Troubleshooting Appendices Bios Overview Checklist Headquarters Contacting SupermicroEurope Asia-Paciﬁc X7DBU/X7DGU Image Not drawn to scale X7DBU/X7DGU Motherboard Layout LE Indicators Description Description Default SettingQuick Reference X7DBU/X7DGU Jumper Memory Motherboard FeaturesChipset Expansion Slots Dimensions Acpi FeaturesOnboard I/O Other ESB2 System Block Diagram for the X7DBU Xeon Quad-core/Dual-core Processor Xeon Quad-core/Dual-core Processor FeaturesChipset Overview Recovery from AC Power Loss Special FeaturesEnvironmental Temperature Control PC Health Monitoring Slow Blinking LED for Suspend-State Indicator Acpi FeaturesMain Switch Override Mechanism System Resource Alert Wake-On-LAN WOL Power SupplyExternal Modem Ring-On Super I/O Page Unpacking PrecautionsStatic-Sensitive Devices Installation of the LGA771 Processor Processor and Heatsink InstallationPage CEK Heatsink Installation Installation of the HeatsinkTo Un-install the Heatsink Mounting the Motherboard in the Chassis Dimm Installation Installing DIMMsMemory Support Memory performance Possible System Memory Allocation & Availability Installing and Removing DIMMs Back Panel Connectors Control Panel Connectors/IO PortsBack Panel Connectors/IO Ports Front Control Panel JF1 Header PinsFP Reset Butto Power LED Pin Deﬁnitions JF1 Power LEDFront Control Panel Pin Deﬁnitions NMI Button NMI Button Pin Deﬁnitions JF1 NIC1/NIC2 LED Indicators HDD LED/FP UID Switch Overheat OH/Fan Fail/PWR Fail/FP UID LED Power Fail LEDOH/Fan Fail/PWR Fail/FP UID LED Pin Deﬁnitions JF1 OH/Fan Fail/PWR Fail/FP UID Indica Tor Status Power Button Reset ButtonReset Button Pin Deﬁnitions JF1 Power Button Pin Deﬁnitions JF1 ATX Power Connector Connecting CablesProcessor Power Connector ATX Power 20-pin Connector Pin Deﬁnitions Chassis Intrusion Universal Serial Bus USB Keylock Fan HeadersPin Fan Header Pin Deﬁnitions Keylock Pin Deﬁnitions Serial Ports ATX PS/2 Keyboard and PS/2 Mouse PortsPS/2 Keyboard Mouse Port Pin Deﬁnitions Serial Port Pin Deﬁnitions Wake-On-LAN Pin Deﬁnitions Wake-On-RingWake-On-LAN Glan 1/2 Giga-bit Ethernet Ports Power LED/SpeakerSpeaker Connector Pin Deﬁnitions Overheat LED Pin Deﬁnitions Overheat LED/Fan Fail JOH1OH/Fan Fail LED Pin Deﬁnitions SMB Header Pin Deﬁnitions VGA Connector Power SMB I2 C Connector Sgpio Headers Unit Identiﬁcation Switches Glan Enable/Disable Jumper SettingsGlan Enable Jumper Settings Explanation Jumpers Cmos Clear Watch Dog Enable/DisableWatch Dog Jumper Settings JWD VGA Enable/Disable Jumper Settings JPG1 VGA Enable/Disable I2C Bus to PCI Slots 1/2 I2C Bus to PCI Slots Jumper Settings Glan LEDs Onboard IndicatorsGlan Activity Indicator Jumper Settings Onboard PWR LED Indicator LE1 Onboard Power LED LE1 Step Floppy Connector Simso Ipmi Slot Bale IDE Connector SXB1/SXB2 Slots Before Power On Troubleshooting ProceduresNo Power Losing the System’s Setup Conﬁguration Memory Errors Technical Support Procedures Question How do I update my BIOS? Frequently Asked Questions Question Whats on the CD that came with my motherboard? Returning Merchandise for Service How To Change the Conﬁguration Data System BiosStarting the Setup Utility Introduction Press the Delete key to enter Setup Running SetupMain Bios Setup Main Setup Features Main Bios Setup Menu Transfer Mode LBA Mode ControlUltra DMA Mode Sata Controller Mode Sata Ahci Available when Sata RAID is Disabled ICH RAID Code Base Available when Sata RAID is EnabledSystem Memory Extended Memory Advanced Setup Memory Cache Cache System Bios Area Power Loss ControlCache Video Bios Area Resume On Modem Ring Cache Extended Memory Cache Base 512K-640KDiscrete Mtrr Allocation PCI Conﬁguration Emulated IRQ Solutions Default Primary Video AdapterPCI Parity Error Forwarding PCI Fast Delayed Transaction Latency Timer Enable MasterLarge Disk Access Mode Serr Signal Condition High Temperature Dram Operation Memory Branch ModeCrystal Beach Features Branch 0/1 Rank Interleaving & Sparing Frequency Ratio Available when supported by the CPU Clock Spectrum FeatureCore-Multi-Processing Available when supported by the CPU Machine Checking Available when supported by the CPU Execute Disable Bit Available when supported by the CPU C1 Enhanced Mode Available when supported by the CPUHardware Prefetcher Available when supported by the CPU Direct Cache Access Available when supported by the CPU I/O Device Conﬁguration Intel Eist Support Available when supported by the CPUKBC Clock Input Serial Port a DMI Event Logging Floppy Disk ControllerEvent Log Validity Event Log Capacity COM Port Address Console RedirectionBaud Rate Console Type Hardware Monitor Overheat AlarmPeci Agent 1/2 Temperatures/System Temperature Fan1-Fan8 Speeds System TemperatureFan Speed Control Modes Voltage Monitoring Bios Post Watch Dog Bios Post ErrorsSystem Event Logging Clear System Event Logging Timer for Loading OS Minutes OS Boot Watch DogSystem Event Log/System Event Log List Mode Time Out Option IPMI LAN Conﬁguration Realtime Sensor Data Update LAN Settings Default GatewayVlan Tagging IP Address Source Security Boot Priority Order/Excluded from Boot Orders Boot Exit Page Recoverable Post Error Beep Codes Appendix a Post Error Beep CodesPage Appendix B Installing the Windows OS Page Driver/Tool Installation Display Screen Installing other Software Programs and Drivers Conﬁguring Supero Doctor Supero Doctor III Interface Display Screen-II Remote Control