Intel MB865 user manual CN2, J1, J10, J13 Serial Ports

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INSTALLATIONS

CN2, J1, J10, J13: Serial Ports

CN2 (COM1) is a DB-9 connector, while J1 (COM2), J10 (COM3) and J13 (COM4) are pin headers.

COM1

COM2/COM3/COM4

 

 

 

 

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

J1 (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

MB865 User’s Manual

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Contents Version USER’S ManualAcknowledgments Table of Contents This page is intentionally left blank Product Description IntroductionChecklist ATX SpecificationsBoard Dimensions Installations ATX Power Installation Installing the CPUInstalling the Memory Supported DDR Dimm ConfigurationsLock Setting the Jumpers Jumper Locations on MB865 JP4 Clear Cmos Contents Configuring the CPU FrequencyJP5 JP5 10/100Mb LAN Enable/DisableConnectors on MB865 Connector Locations on MB865 FDD1 Floppy Drive Connector ATX1 ATX Power Supply ConnectorIDE1 Primary IDE Connector Signal Name Pin # IDE1, IDE2 Eide ConnectorsFAN2 Chassis Fan Power Connector FAN1 CPU Fan Power ConnectorFAN3 System Fan Power Connector CN1 PS/2 Keyboard and PS/2 Mouse ConnectorsCN2, J1, J10, J13 Serial Ports CN4 VGA CRT Connector CN3 Parallel Port ConnectorCN5 USB and 10/100Mb LAN RJ45 Connectors CN6 USB and Gigabit LAN RJ45 ConnectorsCN7 Line Out, Line In, Mic Connector J2 Digital 4-in 4-out I/O Connector J4 IrDA ConnectorJ5 ATX 12V Power Connector J11 External Audio Connector J9 CD-In Audio ConnectorJ12 USB Connector J14 Wake on LAN ConnectorSpeaker Pins 1 J15 System Function ConnectorSMI/Hardware Switch Pins 6 Sample Code Watchdog Timer ConfigurationNone Mov dx, 2Eh mov al, 0AAh out dx, al ret Bios Setup Bios Introduction Bios Setup Phoenix AwardBIOS Cmos Setup Utility Date Standard Cmos SetupTime IDE Primary HDDs / IDE Secondary HDDsDrive a / Drive B Halt On VideoAdvanced Bios Features Delay Prior to ThermalLimit Cpuid MaxVal Quick Power On Self Test Hard Disk Boot PriorityFirst/Second/Third Boot Device Boot Other DeviceBoot Up NumLock Status Boot Up Floppy SeekTypematic Rate Setting Typematic Delay MsecOS Select for Dram 64MB MPS Version Control for OSReport No FDD For WIN Small Logo EPA ShowAdvanced Chipset Features AGP Aperture Size MB IDE Integrated PeripheralsOnChip Primary/Secondary PCI IDE IDE HDD Block ModeIDE Primary/Secondary Master/Slave PIO IDE Primary/Secondary Master/Slave UdmaParallel Port Mode Uart Mode SelectAC97 Audio CSA LAN Giga-LANPower Management Power Management SetupAcpi Function Video Off MethodHDD Power Down Suspend ModePower On by Ring Resume by AlarmReload Global Timer Events PNP OS Install PNP/PCI ConfigurationsReset Configuration Data Resources Controlled byPC Health Status CPU Clock Ratio Frequency/Voltage ControlAuto Detect PCI Clk Spread SpectrumLoad Setup Defaults Load Fail-Safe DefaultsSet Supervisor/User Password Save & Exit SetupThis page is intentionally left blank Drivers Installation Intel 865G Chipset Software Intallation Utility Drivers Installation Drivers Installation Intel 865G Chipset Graphics Driver Drivers Installation Realtek AC97 Codec Audio Driver Installation Intel PRO LAN Drivers Installation O Port Address Map AppendixLevel Function Interrupt Request Lines IRQ

MB865 specifications

The Intel MB865 is a cutting-edge motherboard that exemplifies the advanced technologies Intel has become synonymous with in the world of computing. Designed primarily for high-performance computing environments, the MB865 integrates a host of features tailored for both gamers and professionals alike.

One of the standout characteristics of the Intel MB865 is its use of Intel's latest chipset architecture, ensuring compatibility with the latest processors. This motherboard supports Intel's 10th and 11th generation Core processors, allowing users to harness the power of multiple cores and high clock speeds for demanding applications like gaming, video editing, and 3D modeling.

The MB865 boasts a robust power delivery system, featuring a multi-phase power design that ensures stable voltage regulation and optimizes energy efficiency. This characteristic is particularly beneficial for overclocking enthusiasts who seek to push their CPUs beyond stock performance limits. Coupled with a highly effective thermal design, the motherboard helps maintain optimal temperatures, even under extreme loads.

In terms of connectivity, the Intel MB865 is equipped with multiple USB 3.2 Gen 2 ports, providing high-speed data transfer rates for peripherals such as external drives and gaming accessories. The inclusion of USB Type-C further enhances flexibility, enabling users to connect a wider range of devices.

Storage capabilities are also top-notch, with support for M.2 and SATA solid-state drives. This configuration allows for lightning-fast read and write speeds, significantly reducing load times and enhancing overall system responsiveness. The motherboard also features RAID support, enabling users to configure their storage drives for redundancy or performance benefits.

Networking is made seamless with the incorporation of Intel's advanced Ethernet controller, which ensures high-speed wired connectivity. Additionally, the MB865 supports Wi-Fi 6 technology, offering improved wireless performance and the ability to handle multiple devices simultaneously without a hitch.

The Intel MB865 does not compromise on sound quality either, as it comes with an integrated high-definition audio codec, ensuring crystal clear audio playback for gamers and multimedia users. Moreover, the motherboard is equipped with a BIOS that provides a user-friendly interface, allowing for easy system management and configuration adjustments.

In conclusion, the Intel MB865 is a powerhouse motherboard that brings together a blend of high-performance features, extensive connectivity options, and advanced technologies. It is a perfect choice for enthusiasts and professionals looking to build a top-tier system that can handle the demands of modern computing tasks.