Sharp PC-1500A Bedienungsanleitung PDF herunterladen (Seite 2)

TRAMsoft

Para I lel

/Floppy-Interface

*********************************

Introduction

The TRAMsoft

Parallel/Floppy-Interface

can be

used as

-

16 bit

paraltel-input/output

interface

(using

port

A & B)

-

Interface to any

printer

with CENTRONlCS-standard-interfcae

(port

B)

-

Interface to up to

4 COMI'IODORE VC

1541 floppy-drives

(port

A)

It is

possible

to connect

the

printer

and

the floppy-drives

at the same

time.

***

Power Up

-

sequence

***

To

prevent

hardware distruction or

data-loss, follow always this

power

up-

sequence:

1

)

Make

sure, that

no

peripheral-device

is switched on

2) Switch on the SHARP

PC-1500/PC-1500A

3) Switch on all

peripheral-devices

in

any

order

**

Power Off

-

sequence

***

For

the same reason

follow

this

power

off

-

sequence:

1)

Switch off all

peripheral-devices

in

any order

2)

Switch off the SHARP PC-1500/PC-1500A

Anti-Auto-Power-0ff

-

Feature

(AAP0)

If

the

SHARP PC-1500/PC-1500A

is

switched off by

its

auto-power-off-feature

all

its

peripheral-devices

MUST

be

switched off, before the PC-1500/A is

switched on again.

To

prevent

this uncomfortable

situation, the

TRAMsoft

Parallel/Floppy-Interface

has a

anti-auto-power-off-feature which

prevents

the

PC-1500/A

to switch

off by issuing interrupts. This

feature is disabled

after a CLOAD-

or

CSAVE-operation.

To

start it again, CALL &E107 must

be

performed.

The following

message NE}{

0

... or

CHECK:

.. can be

ignored.

P0KE

&79D4,0 disables

the

MPO-feature.

16/09/85

TRAMsoft

PF-l

e

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