Intel MB886 CN1 PS/2 Keyboard and PS/2 Mouse Connectors, CN2, J2, J7, J8 COM1/2/3/4 Serial Ports

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CN1: PS/2 Keyboard and PS/2 Mouse Connectors

INSTALLATIONS

CN1: PS/2 Keyboard and PS/2 Mouse Connectors

Mouse (top)

Keyboard (bottom)

Keyboard

Pin #

Mouse

Signal

 

Signal

Keyboard data

1

Mouse data

N.C.

2

N.C.

GND

3

GND

5V

4

5V

Keyboard clock

5

Mouse clock

N.C.

6

N.C.

CN2, J2, J7, J8: COM1/2/3/4 Serial Ports

CN2 (COM1) is a DB-9 connector, while J2, J7 and J8 are a COM pin-header connectors.

COM1

 

COM2

 

Signal Name

Pin #

Pin #

Signal Name

DCD, Data carrier detect

1

6

DSR, Data set ready

RXD, Receive data

2

7

RTS, Request to send

TXD, Transmit data

3

8

CTS, Clear to send

DTR, Data terminal ready

4

9

RI, Ring indicator

GND, ground

5

10

Not Used

COM2 is jumper selectable for RS-232, RS-422 and RS-485.

Pin #

 

Signal Name

 

 

RS-232

R2-422

 

RS-485

1

DCD

TX-

 

DATA-

2

RX

TX+

 

DATA+

3

TX

RX+

 

NC

4

DTR

RX-

 

NC

5

Ground

Ground

 

Ground

6

DSR

RTS-

 

NC

7

RTS

RTS+

 

NC

8

CTS

CTS+

 

NC

9

RI

CTS-

 

NC

10

NC

NC

 

NC

14

MB886 User’s Manual

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Contents Version Socket LGA775 Pentium Intel 945G ChipsetIndustrial Motherboard MB886Acknowledgments Drivers Installation InstallationsBIOS Setup IntroductionThis page is intentionally left blank Checklist IntroductionINTRODUCTION Product Description INSTALLATIONSSystem SpecificationsMB886 GraphicsBoard Dimensions Installations Installing the CPU ATX Power Installation Installing the MemorySetting the Jumpers Jumper Locations on MB886 JP4 IDE DMA Mode Setting JP6 Clear CMOS ContentsConnectors on MB886 Connector Locations on MB886 Signal Name ATX1 24-pinATX Power ConnectorATX2 ATX 12V Power Connector Pin #CN1 PS/2 Keyboard and PS/2 Mouse Connectors CN2, J2, J7, J8 COM1/2/3/4 Serial PortsCN3 Parallel Port Connector CN4: VGA CRT ConnectorCN7 GbE RJ-45and USB2/3 Connector CN5 Audio ConnectorCN6 10/100 RJ-45and USB0/1 Connector CN11, CN10, CN9, CN8 SATA0/1/2/3 ConnectorJ6 USB6/USB7 Connector J1 Digital I/O Connector 4 in, 4 outJ5 USB4/USB5 Connector J3 Audio Front HeaderSpeaker Pins J9 Wake On LAN ConnectorJ10 System Function Connector Pin # Signal NameReset Switch Pins 9 and Power LED PinsATX Power ON Switch Pins 7 and Hard Disk Drive LED Connector Pins 10 andJ11 IrDA Connector FAN1 CPU Fan Power ConnectorFAN2, FAN3, FAN4 Fan Power Connectors PCIE 2, PCIE 3 x1 PCI Express Slots IDE1 Primary IDE ConnectorsPCIE_1: x16 PCI Express Slot PCI1, PCI2, PCI3, PCI4 PCI Slots SL1 ISA SlotWatchdog Timer Configuration SAMPLE CODEINSTALLATIONS INSTALLATIONS INSTALLATIONS INSTALLATIONS BIOS Setup BIOS Introduction BIOS SetupPress DEL to Enter Setup BIOS SETUP Standard CMOS Setup DateDrive A / Drive B TimeIDE Channel Master/Slave CYLSVideo Halt OnHard Disk Boot Priority Advanced BIOS FeaturesCPU Feature Virus WarningBoot Other Device Quick Power On Self TestFirst/Second/Third Boot Device Boot Up Floppy SeekAPIC Mode Typematic Delay MsecSecurity Option MPS Version Control for OSCAS Latency Time Advanced Chipset FeaturesDRAM Timing Selectable DRAM RAS# to CAS# DelayOn-ChipVGA Setting System BIOS CacheableVideo BIOS Cacheable DRAM RAS# PrechargeOnboard Device Integrated PeripheralsOnChip IDE Device 2nd Super IO DeviceIDE HDD Block Mode IDE DMA Transfer AccessOn-chipPrimary PCI IDE Enabled OnChip Primary/Secondary PCI IDEKB Power ON Password On-ChipSerial ATA SettingPower ON Function Hot Key Power ONOnboard Serial Port UART Mode SelectPWRON After PWR-Fail Power Management Power Management SetupRUN VGABIOS if S3 Resume ACPI FunctionResume by Alarm HDD Power DownPower On by Ring Video Off MethodReload Global Timer Events Init Display First PNP/PCI ConfigurationsReset Configuration Data Resources Controlled byTemperatures/Voltages PC Health StatusCPU Warning Temperature Smart Fan2 TemperatureAuto Detect PCI Clk Frequency/Voltage ControlCPU Clock Ratio Spread Spectrum ModulatedSet Supervisor Password Load Fail-SafeDefaultsLoad Optimized Defaults Save & Exit SetupRealtek Codec Audio Driver Installation Drivers InstallationChipset Software Installation Utility Intel 945GIntel 945G Chipset Software Installation Utility DRIVERS INSTALLATION Intel 945G Chipset Graphics Driver Realtek Codec Audio Driver Installation Intel LAN Drivers Installation Appendix A. I/O Port Address MapB. Interrupt Request Lines IRQ Level