Applied Engineering GS-RAM III Manuel utilisateur

• • • • •

GS-RAM III TM

User’s Manual

ÆApplied Engineering®

A Division of Æ Researc Corporation

vl.1

Table Of Contents

INTRODUCTION - ABOUT THE GS-RAM III I

CHAPTER ONE - GETTING STARTED

Installation 1

CHAPTER Two - THE GS-RAM III AS A RAM DISK 5

Setting Up a RAM Disk 5

Addressing the GS-RAM III Disk 6

Using the GS-RAM III RAM Disk 7

FORMATTING 7

COPYING 8

SAVING 8

CHAPTER THREE - ADDING MORE MEMORY 9

Memory Increments 9

Where to Get Chips 9

Chip Choices 9

Installing the Chips 9

GETTING HELP 12

Returning a Product 13

GS-RAM III

INTRODUCTION

About The GS-RAM III Card

Memory Expansion--The GS-RAM III allows you

to increase the Random Access Memory (RAM) capacity

of your Apple IIGS. RAM is the memory that can be both

read From and written to--the addressable memory. Many

programs automatically look for and use available RAM to

give them more room to operate (desktop space). Many

programs load themselves into the available RAM at

startup. This greatly increases their performance because

it reduces or eliminates the need to access the relatively

slow mechanical floppy drives. GS-RAM Ill lets you

increase the available system RAM by a maximum of 4

Megabytes (Mb) on the board itself, in increments of 1

Megabyte. This means that IIGS ROM 03 machines (with 1

Megabyte installed on the motherboard) can have a total of

5 Megabytes while the earlier IIGS’s can have a total of 4.5

Megabytes.

6Mb--when you want to expand beyond 4Mb, you can

attach the 2Mb “Piggyback” Expander. It connects directly

to the GS-RAM III and adds its 2Mb to the 4Mb on the GS-

RAM HI for 6Mb s of memory.

RAM Disks--Use some of the GS-RAM memory to set

up a RAM Disk. A RAM disk acts as an internal, electronic

hard disk giving you super-Fast access to applications that

are copied to it. Loading from and storing to a RAM disk

can be as much as 20 times faster than a conventional disk

drive because it eliminates the mechanical activity

required by a conventional drive.

DMA Support--The GS-RAM III is fully DMA

(Direct Memory Access) compatible. Any device that

requires DMA-style memory can use all the available

memory on GS-RAM III.

Introduction i

AW 3 Expansion Software--with your GS-

RAM, you’ve also received Applied Engineering’s AW 3

Expander software. This program will greatly enhance the

popular AppleWorks integrated software package adding

such features as more Word Processor lines and Data Base

records, an expanded clipboard, Multiple Disk Save and

more.

Also included on the AW 3 Expander is a graphic test for

your GS-RAM III that will tell you which, if any, chips are

bad and will also check for the proper type of chips.

Refer to the AW 3 Expander User’s Manual for complete

information about the disk.

About This Manual

Below is a brief description of what is covered in each

chapter of this manual.

Chapter 1 will take you quickly through the

installation and testing of your GS-RAM III card.

Chapter 2 tells you how to use some of the expanded

memory as a RAM disk. This is a great way to increase

the access speed to different applications.

Chapter 3, as mentioned above, helps you to decide

what chips you will need to expand the memory of

your GS-RAM III card. It also explains how to install

the chips yourself as well as how to return the card

to Applied Engineering for a memory upgrade with

no additional charge for the installation and testing.

Appendices provide you with instructions on what to

do when you encounter a problem that is not covered

in the manual.

We have tried to make this manual as informative,

understandable, and error-free as possible. If you have

any comments or suggestions regarding this manual or

any other if manual, we would be glad to hear from you.

Please address any comments or suggestions to:

Applied Engineering

P.O. Box 5100

Carrolton, Texas 75011

Attention: Manager, Technical Publications

Now, turn the page and let the memory begin!

ii GS-RAM III

CHAPTER ONE

Getting Started

+Note: If you’re using GS-RAM III with the

RamKeeper, plug it into the front side of the

RamKeeper only.

This chapter tells you how to install and test the GS-RAM

III memory expansion card. Before you install your

memory-expansion card, please be sure you are familiar

with Setting UP Your Apple IIGs and the Apple IIGS

Owner’s Guide. You’ll need to be particularly familiar

with the Control Panel functions as this manual makes

frequent reference to the Control Panel menu.

Installation

1) Turn off the computer.

Leave the computer plugged in but flip the power

switch to the OFF position.

2) Remove the Apple IIGS cover.

Locate the two latches on either side of the backplate.

Push in on the latches while pulling up and back on

the lid.

3) Touch the power supply case.

The case is shown in the illustration below. This will

discharge any static electricity that may be on your

body. Do not skip this step. Static electricity can ruin

chips on the board and in the computer.

4) Remove the memory-expansion card from Its anti-

static bag.

Hold the card by the edges, like a photograph. Do not

touch the gold fingers of the card.

5) Check the position of the switches.

The switches are located toward the top left edge of

the card. The position of the switches lets the

computer know how much memory is on the card.

(Refer to following illustration.)

Ch. 1 - Getting Started

Location of the Switches

Your board may use either Flip Switches or Rocker

Switches Refer Co the drawing below for proper

settings

Memory | Switch | Switch 2

1 Megabyte | Off | Off

2 Megabytes | On | Off

3 Megabytes | Off | On

4 Megabytes | On | On

Flip Switches

Rocker Switches

Check the Switches

6) PositIon the memory expansion card over the

Memory Expansion Slot.

The Memory expansion slot is located in the front

right corner of the computer. Hold the card so that

the long end of the card is toward the rear of the

Computer.

2GS-RAM III

1 Meg 2 Meg 3 Meg 4 Meg

Configuration Switches

Front

7) Insert the card.

Insert the gold edge-connector into the Memory Expansion Slot

until it is completely seated. The chips will be facing the

power supply on the left side of the computer. You

can wiggle the card gently, back to front, to ensure a firm

connection.

8) Replace the Apple IIGS cover.

Slide the front of the lid in first, then press on the back edge

until it snaps into place.

9) Check the RAM Disk setting to verify correct

Installation

You can verify that the computer recognizes the

additional memory by checking the RAM Disk option

in the Control Panel menu. Those using Finder vl.3

can select the Control Panel option from the Apple

menu and then select the RAM icon, If you’re using

an earlier version of GS/OS or ProDOS 8, access the

RAM option by doing the following:

i) Turn on the computer then access the Classic

Desk Accessories menu by holding down the

Open-Apple and Control keys while pressing

ESC.

ii) Use the up and down arrow keys to select the

Control Panel menu and press “return".

iii) Select the RAM Disk option and press “return”.

iv) The number next to the Largest Selectable listing

tells you the amount of memory that the system

now has available.

10) Make a copy of the AW 3 Expander disk.

It is very important to make backup copies of your

master disks when possible. The AW 3 Expander disk

is not copy protected. You can copy it using the IIGS’s

Finder’. Simply drag the AW 3 icon to the icon of the

destination disk.

Ch. 1 - Getting Started 3

+Warning: It is possible to install the card into the slot

backwards. Make sure that the end marked “FRONT”

on the card is toward the front of the computer.

If you don’t use the Finder, you can use the “Copy

Files” option of your GS utility disk or the “Filer”

program included on the AW 3 Expander disk.

+ Note:Instructions for copying with Filer are included

in the Appendix of the AW 3 Expander manual.

Instructions for copying with System Utilities are

included in,Apple IIGS System Disk User’s Guide.

After you copy the disk, store the master in a safe

place

11) Test the card.

Boot your COPY of the AW 3 Expander disk and

select the GS-RAM III Test program from the main

menu.

+WARNING: The GS-RAM Ill test program will erase

any files or programs stored in RAM

12) Installation is complete!

4GS-RAM III

CHAPTER Two

The GS-RAM III as a RAM Disk

Many of the newer application programs take advantage of

the extended memory automatically. However, you may

want to use part of the extended memory to emulate a

RAM disk. Creating a temporary RAM disk will give you

much faster access to some applications (programs which

do not automatically take advantage of the increased

memory). The following section explains how to create a

temporary RAM disk.

Setting Up a RAM Disk

If you want to set up the GS-RAM III as a RAM Disk, run

the Control Panel program from the lIGS Desk

Accessories Menu (under the menu or press control-

-esc). Then select the RAM Disk option.

You must first tell the computer how much of the card’s

memory you want to set aside for use as a RAM disk. The

minimum setting limits the amount of memory that

applications can use. The maximum limits how much

memory the RAM disk can use. You II want to leave

enough memory open to support the programs that

automatically take advantage of the extra memory.

•Note. If working with GS/OS or an application that

uses a version of ProDOS before 1.2, the minimum

and maximum RAM disk settings must be equal.

If an application needs more memory than you have

allotted, a message to that effect will come up on the

screen. You can adjust accordingly by selecting ‘RAM

Disk” from the Control Panel program and decreasing the

maximum RAM disk size.

Changing the Control Panel setting will not change the

currently established RAM disk. You will have to turn off

the power to establish a RAM Disk of a different size. The

new settings will take affect upon startup.

Ch. 2 - GS-RAM III as a RAM Disk 5

+Remember: Powering down will in turn erase what is

currently in the temporary RAM disk you have

created. Save any data from the RAM Disk that you do

not want to erase before powering down.

Addressing the GS-RAM III Disk

Some applications may ask you to identify your RAM disk

by slot and drive number.

SLOT: The GS identifies your mock RAM disk in slot

5 just as it recognizes a 3.5” drive as being in slot 5.

DRIVE: The drive number will depend on what you

decide to use as your startup device. Drive 1 can be

either the RAM disk or a 3.5” drive. Choose one or

the other using the “Slots” heading under the Control

Panel Program.

-- First, make sure slot 5 is set to “Smart Port.”

-- If you want the computer to boot your RAM disk

at startup, select “RAM Disk” next to the “Startup

Slot” heading. The GS will recognize the RAM

disk at, 55,D1 and the 3.5” drive will be 55,D2.

-- If you want the computer to boot your 3.5” drive

at startup, enter “5” (or “Scan”) under the “Startup

Slot” heading. The GS will recognize the 3.5”

drive at S5,D1 and the RAM disk will be 55,D2.

-- A second 3.5” drive will be 52,D1. The following

chart may help you to understand:

Note: If using proDOS®1.1.1, your second 3.5” drive

(52,D1) will not be recognized. This early ProDOS

version allows only two devices per slot. See your

authorized Apple dealer to upgrade your applications

which use ProDOS 1.1.1.

6GS-RAM III

Boot “Slot 5” Boot “RAM Disk

S5,D1 --- 3.5” drive S5,D1 --- RAM disk

S5,D2 ---- RAM disk S5,D2 --- 3.5” drive

S2,D1 ---- 3.5” drive S2,D1 --- 3.5” drive

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