AR-B1474 User¡¦s Guide

1.2 PACKING LIST

The accessories are included with the system. Before you begin installing your AR-B1474 card, take a moment to make sure that the following items have been included inside the AR-B1474 package.

The quick setup manual

1 AR-B1474 all-in-one CPU card

1 Keyboard adapter cable

1 Parallel port interface cable

1 Hard disk drive interface cable

1 Floppy disk drive interface cable

1 40-pin header for PC/104 adapter

1 64-pin header for PC/104 adapter

1 Software utility diskettes

NOTE: If there are any discrepancies, please contact your Acrosser distributor immediately.

1.3 FEATURES

The system provides a number of special features that enhance its reliability, ensure its availability, and improve its expansion capabilities, as well as its hardware structure.

All-in-one designed 486DX/DX2/DX4 CPU card

Support 3.3V/5V CPU with voltage regulator

Support ISA bus and PC/104 bus

Support 128KB to 512KB second level cache on-board

Support up to 32MB DRAM on-board

Support shadow memory and EMS

Legal AMI BIOS

IDE hard disk drive interface

Floppy disk drive interface

Bi-direction parallel interface

2 serial ports with 16C550 UART

DS12887 or compatible RTC

Programmable watchdog timer

Up to 3MB solid state disk (SSD)

On-board build-in buzzer

8 layers PCB

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Sony AR-B1474, DX4, 486DX manual Packing List, Features

DX4, AR-B1474, 486DX specifications

The Sony 486DX, AR-B1474, and DX4 are notable examples of advanced computing technologies from the early to mid-1990s, a time when personal computers were rapidly evolving to meet increasing user demands. These systems played a pivotal role in shaping the landscape of modern computing.

The Sony 486DX is built around the popular Intel 80486 microprocessor, which was a significant step up from its predecessor, the 386. The 486DX featured a 32-bit architecture and introduced integrated cache memory, which greatly enhanced data processing speeds and overall system performance. Operating at clock speeds typically ranging from 25 to 100 MHz, the 486DX models provided a solid foundation for running more sophisticated software applications and advanced games of the era.

Accompanying the 486DX was the AR-B1474 motherboard, designed to maximize the potential of the 486 architecture. This motherboard featured support for up to 512 KB of level 2 cache memory, further boosting performance for data-heavy tasks. The AR-B1474 also included extensive connectivity options, with ISA slots for legacy devices, as well as support for EISA, making it compatible with a wide range of hardware peripherals. This versatility made the AR-B1474 a popular choice among builders of custom desktop PCs during its time.

The DX4, another significant milestone, built upon the 486 architecture by introducing a clock-doubling technique. By effectively allowing the processor to perform operations at up to three times its base clock speed (typically 75 or 100 MHz), the DX4 could handle even more demanding applications, thereby providing users with significant performance improvements without requiring a complete overhaul of their systems.

Both the 486DX and DX4 processors facilitated advancements in multimedia capabilities, with improved graphics rendering and audio performance that supported CD-ROMs and early gaming technologies. This made them particularly appealing to consumers looking for a versatile machine for both work and entertainment.

Overall, the combination of the Sony 486DX, AR-B1474 motherboard, and DX4 processor exemplifies a significant chapter in computing history, showcasing how hardware advancements seamlessly integrated with user needs for performance and flexibility. As these technologies laid the groundwork for future innovations, they remain noteworthy for their contributions to the evolution of personal computing.