MSI Understanding the SMBus Connector for Efficient Hardware Setup

Page 27

Hardware Setup

SMBus Connector: SM_BUS

The mainboard provides one I2C (also known as I2C) Bus connector for users to connect System Management Bus (SMBus) interface.

Pin Definition

SM_BUS

PIN

SIGNAL

 

 

 

 

 

 

1

GND

 

 

6

 

 

 

2

VCC5V

 

 

 

3

SMBus_Clock

 

 

1

4

SMBus_Data

 

 

 

5

+12V

 

 

 

6

PowerButton

TV-Out Connector: JTV0

The mainboard provides a TV-Out connector.

 

 

Pin Definition

 

JTV0

Pin

Description

Pin

Description

2

1

TVGND

2

LCVBS

1

5

LY

4

TVGND

 

3

 

5

LC

6

Key (no pin )

Serial Port Connector: COM 2

This connector is a 16550A high speed communications port that sends/receives 16 bytes FIFOs. You can attach a serial device to it.

2

1

 

 

 

 

 

Pin Definition

 

 

 

 

PIN

SIGNAL

DESCRIPTION

 

 

 

10

1

DCD

Data Carry Detect

 

 

 

 

 

 

2

SIN

Serial In or Receive Data

 

 

 

9

 

 

 

3

SOUT

Serial Out or Transmit Data

 

 

 

 

 

 

 

 

COM2

 

4

DTR

Data Terminal Ready

 

5

GND

Ground

 

 

 

 

6

DSR

Data SetReady

 

 

 

 

7

RTS

Request To Send

 

 

 

 

8

CTS

Clear To Send

 

 

 

 

9

RI

Ring Indicate

2-15

Image 27
Contents G52-96411x1 MS-9641 V2.X MainboardTechnical Support Copyright NoticeTrademarks Revision HistorySafety Instructions FCC-B Radio Frequency Interference Statement Micro-Star International MS-9641Weee Waste Electrical and Electronic Equipment Statement Page Vii Contents Getting Started Getting StartedIDE Mainboard SpecificationsFSB LANMounting Getting Started Watch Dog TimerAccessory Form FactorMS-9641 v2.X Micro-ATX Mainboard Mainboard LayoutHardware Setup Hardware SetupQuick Components Guide CPU Central Processing Unit CPU & Cooler Set Installation Hardware Setup Memory Memory Population RulesDDR2 Installing Memory Modules ATX1 Power SupplyATX 24-Pin Power Connector ATX1 ATX 12V Power Connector JPW0Serial Port Connector USB ConnectorsFront Panel LED MS-9641 Mainboard LAN RJ-45 JackIDEB0 ConnectorsHard Disk Connector IDEB0 Compact Flash Card Slot CF0SATA4 SATA3 SATA2 SATA1 Serial Ataii Connectors SATA1~SATA4Front Panel Connectors JFP1 Fan Power Connectors CPUFAN0, SYSFAN1, AUXFAN0Front USB Connector FUSB2 FUSB2USB 2.0 Bracket SMBus Connector Smbus TV-Out Connector JTV0Serial Port Connector COM JLCD1 LCD Module Connector JLCD1Keyboard/Mouse Connector J0 FWH/LPC Debugging connector JLPC1JP1 LAN ByPass LED Pinheader J3Cpld Data Reflash PinheaderJP1 LanledMS-9641 Mainboard LAN Bypass Definition Bypass setting in BiosBit Definition Programming GuideSegment Signal Name Description Type Bypass MS-9641 Mainboard Signal ActionHardware Setup MS-9641 Mainboard Method 1 Gpio control Bypass Gpio Mode Method 2 LPC Control Bypass LPC ModeSample code Method 1 Gpio Mode Watch Dog function setup sample code Sample Code Method 2 LPC Mode Hardware SetupClear Cmos Jumper CLRCMOS0 JumpersAT/ATX Power Select Jumper J5 Gmch Voltage Jumper J2Jcfvsel TOP View B94 Bottom View A94 SlotGolden Finger PCI Peripheral Component Interconnect SlotBios Setup Bios SetupPress F1 to enter Setup Entering SetupMain Menu Control KeysGetting Help General Help F1Menu Bar IDE Channel 0 Master/Slave, IDE Channel 1 Master/Slave MainDate mmddyy Time hhmmssHead Access M odeCapacity CylinderAdvanced Bios Features Virus Warning AdvancedCPU L3 Cache MPS Version Control For OS Quick Power On Self TestApic Mode Agent after bootCAS Latency Time Bios Setup Advanced Chipset Features Dram Timing SelectableDram RAS# to CAS# Delay Precharge Delay tRASOn-Chip Frame Buffer Size MS-9641 Mainboard VGA SettingBoot Display PEG/Onchip VGA ControlOn-Chip Primary/Secondary PCI IDE IDE DMA Transfer AccessIDE Primary/Secondary Master/Slave PIO On-Chip Serial ATA Setting Sata ModeSata Port Speed Settings Pata IDE Mode / Sata PortUSB Keyboard/Mouse Support PXE BootPlanar Ethernet #01/ #02/ #03/ #04/ #05/ #06 USB Controller, USB 2.0 ControllerUse IR Pins Uart Mode SelectIR Transmission Delay UR2 Duplex ModeCOM Port Select Bios Setup Watch Dog ActionWatch Dog Timer Minutes Power Management Setup Power TypeBoot Up NumLock Status Resume by AlarmDate of Month Alarm Time hhmmss AlarmSpread Spectrum Boot Boot Other Device Bios Setup Hard Disk Boot PriorityCD-ROM This setting Refer to Boot Priority First / Second / Third Boot DeviceSecurity Option Set Supervisor PasswordSet User Password SecuritySystem System SummaryHalt On Smart Fan Setting Smart SYSFan1 / CPUFan1 / SYSFan2 TemperaturePC Health Bios Setup SYSFan1 / CPUFan1 / SYSFan2 Tolerance Value Exit Load Fail-Safe DefaultsLoad Optimized Defaults Save & Exit Setup