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AR-B1047 User’s Guide

1-1

1. OVERVIEW

This chapter provides an overview of your system features and capabilities. The following topics are covered:

Introduction

Packing List

Features

1.1 INTRODUCTION

This card is a byte wide memory card that plugs into any free slot of your system. Five 32-pin JEDEC DIP sockets

may be populated with up to 5MB of EPROM, 2.5MB of FLASH/SRAM or combinations of these chips. Especially

AR-B1047, it supports up to 72MB DiskOnChip.

The AR-B1047 supports 12V and 5V FLASHs. This enables you to program FLASHs on board directly. If small

page (less or equal to 512 bytes per page) 5V FLASHs are used, you can format the FLASH disk and copy files

onto the FLASH disk just like a normal disk. If you want to use the 12V FLASH, please use the external 12V

voltage, the AR-B1047 does not support the 12V voltage. This feature will extend the life of your FLASH chips by

only reprogramming a small area. You could use all of the related DOS command (such as COPY, DEL, … etc.) to

update files on the 5V FLASH disk.

An on-board Lithium battery ensures the data retention of SRAM or an external battery packed that may be

connected to the AR-B1047. A write protect function allows you to prevent data on SRAM disk or FLASH disk from

accidental deletion or overwrite.

The AR-B1047 solid-state disk card is extremely easy to install and use. However, it is advised that you read this

manual before you begin installation.

The AR-B1047 is a solid-state disk card that can be used as the system disk or as a replacement for mechanical

disk drives in any IBM PC/XT/AT or compatible computer. It is ideal for, but not limited to, the following

applications:

Diskless PC workstations

High reliability and/or high speed access applications

Heavy duty disk access requirements

PC controller for industrial or line test instruments.

Environments hostile to standard floppy disks & drives. (Dust, moisture, vibration, etc.)

MEM 1

MEM 2

MEM 3

MEM 4

MEM 5

M1 M2 M3

SRAM

BATTERY

BACKUP

CIRCUIT

ROM DISK

BIOS

FLASH EPROM

VPP GENERATOR

DATA

BUFFER

MEMORY

DECODER

12345678

SW1

I/O DECODER

PC/104 BUS (8 Bit only)

DOC

Figure 1-1 The Functional Block Diagram

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