APPENDIX

Appendix

A. I/O Port Address Map

Each peripheral device in the system is assigned a set of I/O port addresses which also becomes the identity of the device. The following table lists the I/O port addresses used.

Address

Device Description

000h - 01Fh

DMA Controller #1

020h - 03Fh

Interrupt Controller #1

040h - 05Fh

Timer

060h - 06Fh

Keyboard Controller

070h - 07Fh

Real Time Clock, NMI

080h - 09Fh

DMA Page Register

0A0h - 0BFh

Interrupt Controller #2

0C0h - 0DFh

DMA Controller #2

0F0h

Clear Math Coprocessor Busy Signal

0F1h

Reset Math Coprocessor

1F0h - 1F7h

IDE Interface

278h - 27Fh

Parallel Port #2(LPT2)

2F8h - 2FFh

Serial Port #2(COM2)

2B0h - 2DFh

Graphics adapter Controller

378h - 3FFh

Parallel Port #1(LPT1)

360h - 36Fh

Network Ports

3B0h - 3BFh

Monochrome & Printer adapter

3C0h - 3CFh

EGA adapter

3D0h - 3DFh

CGA adapter

3F0h - 3F7h

Floppy Disk Controller

3F8h - 3FFh

Serial Port #1(COM1)

MB865 User’s Manual

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Intel MB865 user manual Appendix, O Port Address Map

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.