MSX SVI-727 Manuale utente

MSX 80 COLUMN VIDEO CARTRIDGE

USERS MANUAL

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WARNING:

SVI-727

USER’S MANUAL

STATEMENT

This equipment generates, uses, and can radiate

radio frequency energy if not installed and

used in accordance with the instruction manual,

may cause interference to radio communications.

lt has been tested and found to comply with the

limits for aClass Bcomputing device pursuant to

subpart Jof Part 15 of FCC Rules, which are

designed to provide reasonable protection against

such interference when operated in acommercia!

environment. Operation of this equipment in a

residential area is likely to cause interference in

which case the user at his own expense will be

required to take whatever measures may be

required to correct the interference.

INTRODUCTION

Published by

SPECTRAVIDEO

INTERNATIONAL LTD.

SV1-727 MSX 80 Column Video Cartridge is

specially for use with the SV1-728 or other MSX

computer. This cartridge allows the users to

switch from 40 column to 80 column display.

With the cartridge, user may run any of the

sophisticated CP/M programs already available

in the market.

Read the instruction manual thoroughly to

become familiar with the 80 Column Video

Cartridge. It is your guide to proper installation

and operation.

First Edition

First Printing 1984

Printed in Hong Kong

Every effort has been made to supply complete and

accurate information in this manual. Spectravideo

International Ltd. reserves the right to change Technical

Specifications and Characteristics at any time without

notice.

No part of this publication may be stored in aretrieval

system, transmitted, or reproduced in any way, including

but not limited to photocopy, magnetic or other record,

without the prior agreement and written permission from

Spectravideo International Ltd.

SV1-727-UM

CONTENTS

SVI-727

MSX 80 COLUMN

VIDEO CARTRIDGE

INSTRUCTION MANUAL

END

Accessories inl cases aGn 4

External VieW aen ins da 5

Main Features 5

CSnMeetios „mazmsansasneeoss an 6

OpSratOs wensen stek ins desde 7

VOASsiGnmegt „aaa esn mer 8

GeNEeRs a10

MERE 10

trouble Shooting Chart 11

Specifications ow sees senses 11

1. ACCESSORIES The package of SV1-727 MSX 80 Column Video

Cartridge should contain the following items:

(A) The 80 Column Video Cartridge you have

purchased

(B) Acable for the connection to amonitor

(D) Warranty Registration Card.

2. EXTERNAL

VIEW

3. MAIN

FEATURES

(A)

(B)

(C)

The main feature of SV1-727 80 Column

Video Cartridge allows you to have an 80

Column display instead of a40 column

display on the screen. The display becomes

24 rows by 80 columns.

With the purchase of the SV1-727 together

with your SV1-728 or other MSX computer and

the SVI-707 Disk Drive, you can run any of

the sophisticated CP/M programs already

available in the market.

The cartridge is designed for ease of insertion

and for durability.

(D) Power is supplied by the computer.

NEN

4. CONNECTIONS The following is aguide to the proper hook-up

procedures for the SV1-727 80 Column Video

Cartridge.

(A) Be sure all power is OFF” for the computer.

(B) Plug the cartridge gently into game slot at the

top of the computer. Do not force.

Cartridge

Game

Slot

slot and double check all connections.

(D) Connect one end of the video cable to the

socket on the 80 Column Video Cartridge

and the other end to amonitor.

80 Colume Video

5. OPERATIONS The SVI-728 or other MSX computer can only

provide display of 24 rows x40 columns on the

video monitor. However with the installation of

the SV1-727 80 Column Video Cartridge in the

computer and running CP/M diskette,it

automatically defaults to 80 column. It can be

easily shifted back to 40 column display on TV

by typing in

“STAT CON:

and typing in

‘STAT CON:

il CRT:

URI:”

back to the 80 column display on video monitor.

6. I/O ASSIGNMENT

PIN NO.

NAME 1-O* PIN NO.

|NAME LO*

1681 o27o

3CS12 o4SLTSL 0

5N.C. =6RFSH o

7WAIT |8INT |

9MI o10 BUSDIR |

11 IOROQ o12 MERQ o

13 WR o14 RD o

15 RESET o16 N.C -

17 A9 o18 A15 o

19 A11 o20 A10 o

21 A7 o22 A6 o

23 A12 o24 A8 o

25 A14 o26 A13 o

27 A1 o28 AO o

29 A3 o30 A2 o

31 A5 o32 A4 o

33 D1 I/O 34 DO I/O

35 D3 I/O 36 D2 I/O

37 D5 I/O 38 D4 I/O

39 D7 I/O 40 D6 I/O

41 GND Ei 42 CLOCK o

43 GND =44 SWI ==

45 +5V ii 46 SW2 E

47 +5V =48 +12V e=

49 SUNDIN |50 AV -.

*The 1/O is based on the computer.

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