Mitsubishi Electric Apricot LS Pro Leitfaden

apricot

LS Pro

USING SETUP AND INSTALLING ADD-ONS

MITSUBISHI ELECTRIC

Informationcontainedinthisdocumentissubjecttochangewithoutnoticeand

doesnot represent a commitment on thepart of Apricot Computers Limited. The

softwaredescribedinthis manual is furnished under a license agreement. The

software may be used or copied only in accordance with the terms of this

agreement.

It is against the law to copy any disk supplied for any purpose other than the

purchaser’spersonaluse.

Publishedby

ApricotComputersLimited

3500Parkside

BirminghamBusinessPark

BIRMINGHAMB377YS

MITSUBISHIELECTRIC

PrintedintheUnitedKingdom

Partno.15146931

Revision01

Contents

SETUP

Introduction 3

Invoking SETUP 3

The SETUP screen 4

Controlling SETUP using the keyboard 6

System Autoconfiguration 6

SETUP functions 7

Exiting SETUP 13

Installing add-ons

Introduction 15

Anti-static precautions 16

Memory upgrades 17

Installing an 80387SX 23

Thick wire Ethernet 24

Token-Ring RPL ROM 26

Token-Ring module 28

Approved SIMMs 28

SETUP

Introduction

The Apricot LS Pro system board is fitted with a small area

of memory which is used to store information about the

configuration of the computer. The computer’s

configuration is modified using a SETUP utility provided in

Read Only Memory (ROM) on the system board.

A rechargeable battery on the system board maintains the

configuration memory when the LS Pro is switched off.

Invoking SETUP

Each time the LS Pro is switched on, or rebooted, it runs

through a self test procedure. During this period the

SETUP utility can be invoked by pressing the ALT+Skey

combination.

The LS Pro can boot in two ways, it can use a graphical

boot screen, or a conventional text based boot screen.

During graphical boot a Setup button is displayed, SETUP

can only be invoked while the button is not greyed out.

During text boot a prompt appears on the screen, while the

prompt is visible SETUP can be invoked.

There may be a delay of a few seconds, while the self test

procedure is completed, before the SETUP screen

appears.

The SETUP screen

The simplest way to use SETUP is with a mouse, just

move the cursor to the option you want to select and click

with the left mouse button. The illustration below identifies

the elements that make up the SETUP screen.

Power-On Sound

BIOS shadowing Total

Extended

1664KB

1024KB Floppy

Hard

3.5" 1.44MB

Graphics

Text

Enable Memory Disk Types

Startup Sound Volume

Boot Device

Local

Ethernet RPL

Token-Ring RPL

Other

Power-on Password

Enable

Token-Ring

Bus Width

Data Rate

Save Cancel

Monitor Type

SVGA

VGA/EVGA

EVGA (high refresh)

CMOS Checksum OK

Setup

High

Low

4 MBits/second

16 MBits/second

8 bit

16 bit

Option group Scroll bar Text

Tick box

Option button

Test

Message bar Text box Button

ELS85AT (80MB)

H/D detection

Option group

These are used to collect a number of related, or exclusive,

options under a common heading.

Check box

Check boxes are used where any number of the options in

the group may be selected. Select or de-select a check box

by pointing and clicking in the box with the mouse.

Option button

These are used for exclusive options. Beside each option

is a circle, only one circle is highlighted at any given time.

If you point and click on an option the highlight will transfer

to it.

Scroll bar

Scroll bars behave like slide controls. They are adjusted by

pointing and clicking on the arrows at each end of the bar.

Text box

These are provided when the user has to enter text. Point

and click in the text box, then enter the text required and

press ENTER.

Text

The SETUP utility displays some information about your

system that is detected automatically and cannot be

altered. For example, the amount of memory installed in

the system is detected and displayed, for information only.

Buttons

Buttons carry out the action indicated by the text on the

button.

Message line

A message line at the bottom of the screen contains

information about SETUP.

Greyed out options

Where an option is greyed out it indicates that it cannot

currently be selected, or used. There could be a variety of

reasons for this, for example: the computer may not

support the option, or an associated option may have to be

enabled in order for the greyed out option to be valid.

Controlling SETUP using the keyboard

If you are unable to use a mouse, you can use the

keyboard to move around and select the SETUP options.

TAB Moves you round the option groups, and

buttons. An alternative method is to hold

down the ALT key and press the letter which

corresponds to the one underlined in the title

of the group

ARROW KEYS Once you are in an option group, use the

arrow keys to move through the options. The

system will highlight an entry to show which

option is currently selected.

SPACE BAR Press the space bar to set the highlighted

option.

ENTER Confirms SAVE or CANCEL buttons.

When the changes are complete, select the SAVE button

and press ENTER. To abandon your changes, select the

CANCEL button and press ENTER.

System Autoconfiguration

If the system configuration has changed since the last time

the computer was booted, SETUP will be invoked

automatically. The changed item will be shown in the

message line; you then merely need to confirm by clicking

on the SAVE button.

SETUP functions

Enable

Power-On Sound

When this option is enabled the LS Pro audio subsystem

provides an audible indication that the system has been

switched on.

BIOS shadowing

Enabling BIOS shadowing enhances the performance of

the system by copying the BIOS into RAM.

The BIOS on the system board is stored in ROM, which

has long access times, and only an 8-bit wide interface to

the rest of the system board. By copying the BIOS into

RAM the system takes advantage of the inherently faster

access times of RAM, and a 16-bit wide interface, to

enhance performance.

When BIOS shadowing is disabled, an additional 384

Kbytes of extended memory is available. Unless you have

a specific need for the extra 384 Kbytes it is recommended

that you enable BIOS shadowing.

H/D detection

When this check box is enabled the system automatically

detects the type of hard disk fitted. It must always be

enabled in systems equipped with a hard disk drive. If it is

disabled the system will not recognise its hard disk drive.

In floppy only and diskless systems this check box should

be disabled. With the hard disk detection disabled, systems

without hard disk drives will boot faster as the BIOS skips

the hard disk detection code.

Startup

Graphics

When graphics is selected the initial boot screen is

displayed in graphical format. If graphics is not selected the

smooth boot option in Enable is greyed out.

Text

When text is selected a text based boot screen is used.

Monitor type

There are three option buttons in this group: SVGA,

VGA/EVGA and EVGA (high refresh). The three options

alter the timings of video signals provided by the LS Pro

video connector to suit a variety of different types of

monitor.

It is important to ensure that you have made the correct

selection.

SVGA

This option should be chosen for SVGA monitors. These

are monitors that support 800x600 non-interlaced and

1024x768 interlaced video modes in addition to standard

VGA modes.

VGA/EVGA

This option should be chosen for VGA monitors, and for

EVGA monitors to run at normal refresh rates, typically

60Hz. EVGA monitors support 800x600 and 1024x768

non-interlaced video modes in addition to standard VGA

modes.

VGA monitors will not display resolutions greater than

640x480 correctly.

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