Acorn Computers Limited A5000 Panduan Memulai Cepat

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Installing the network card – A5000

(also A300-series, A440 & A400/1-series)

The minimum system requirements are 2MB of RAM and the RISC OS 3 (Version 3.10 or later) operating system. Note that 300-

series and 440 (not 440/1) Archimedes must be upgraded with MEMC1A to work with the network interface card.

To fit the network interface card you will have to remove the cover of the computer and one of the blanking plates at the rear of

the machine. Acorn Computers Limited cannot accept any liability

internal upgrades, whether or not carried out in accordance with

any of these instructions, ask your supplier to fit the upgrade

upgrades; such a charge shall be entirely at the discretion of the

Before you start

You'll need a small Pozidriv

surface to work on. The surface should be free from static

electricity. A towel spread on a worktop would be ideal.

Removing the top cover

Before removing the top cover of the computer

switch off the computer

remove the power lead from the wall

socket.

Do not reconnect the power lead to the wall

socket until you have replaced the cover of the

computer.

Do not make any adjustments inside the

computer while the power lead is connected to

the wall socket.

Preparation

Make sure that the hard disc drive heads are parked before

moving the computer. To park them, just choose

from the Task manager menu.

Removal procedure

Switch off and disconnect the computer from the

mains supply, then switch off and disconnect all

peripherals (including the keyboard).

Place the computer on the work surface and turn it

over so that it rests on its top cover.

Remove all six screws holding the metal cover in

place; store them somewhere safe:

screwdriver,

and a firm, flat,

Shutdown

number

Part

for

damage done to the product during the installation of

these

instructions. If you don't feel confident about carrying out

for you

(a charge may be levied by the supplier for installing any

supplier

concerned).

On 300-series (305, 310), 440s and 400/1-series

Archimedes computers, the top cover is held in place

by three screws at the top rear, and one screw on

either side of the cover, towards the front. These must

be removed before the cover can be slid off. (On some

early Archimedes you will need to adjust the position

of the backplate on the card to ensure that when the

card is installed and bolted in place, the connector is

seated correctly and the backplane vertical.)

Turn the computer back onto its base again. Slide the

top cover back towards the rear of the computer, then

remove it completely.

Some models of A5000 have a metal EMC case shield

which fits over the inner case. To remove this, unscrew

the five fixing screws on the righthand side of the

computer, as seen from the rear. The shield has

interleaved tabs which fit around the edges of the

case. Slide the shield off the computer carefully; there

is a hole on the top to help you slide the shield off by

inserting a screwdriver.

0484,461. Issue 2, January 1994