Sanyo MBC-550 Series User manual

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MBC-550 SERIES
USER ’ S GUIDE
@ SANYO

PREAFACE
Please read this manual thoroughly before you begin to
install and use Sanyo MBC-550 series computers.
ll rights reserved. No part of this manual may be
reproduced in any form without expressing written
permission form Sanyo.
If
The contents of this manual are subject to change,
you wish to receive revisions and u dates, lease
contact the lace of urchase.
Sanyo assumes no res onsibilities for errors in this
manual or their consequences.
MS-DOS is a trademark of Microsoft Cor oration.

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T BLE OF CONTENTS
CHAPTER 1 GETTING STARTED . . .
Setting Up ...............................
Installation ...........................
Names and Functions of Parts
Operations ...............................
Running the Operating System
Formatting Diskettes .............
How To Copy Files ....................
System Reset ...........................
1-1
1-3
1-5
1-8
1-15
1-24
1-27
1-31
1-35
CHAPTER 2 COMPUTER VOCABULARY
Vocabulary ...........................
2-1
2-2
CHAPTER 3 SANYO BASIC ....
Sanyo Basic Operation Mode
How To Enter Sanyo Basic
Sanyo Basic Concepts. . .
Symbols Used For Syntax Description .... 3-7
Line Numbers ................................
Keywords and S aces ....
Data .........................................
General Instructin Words . . .
Introduction ........................ .
Descriptions ...........................
Graphics .....................................
Screen and World Coordinates
Color Specifications .............
Graphic Instruction Worlds
3-1
3-2
3-3
3-6
3-10
3-12
3-13
3-33
3-34
3-36
3-103
3-104
3-107
3-108
4-1
CHAPTER 4 MS-DOS INTRODUCTIN
What Is MS-DOS? .................
MS-DOS Rules .........................
MS-DOS Files .........................
How To Co y Files ....
Commands .................................
Command Options .............
4-2
4-3
4-5
4-14
4-17
4-17

4-18
4-18
4-20
Single Drive Users .......................
Information Common To all Commands
Control Character Functions ....
CHAPTER 5 TECHNICAL REFERENCE . . .
Specifications ...........................
Character Codes ........................
List Of Reserved Words .............
Sanyo Basic Error Message List
Disk Error Messages ....................
Memory Map ..................................
ROM Map ......................................
Interrupt Vector .......................
I/O Interrupt Controller 8259
Interrupt Routines ...................
Keyboard Translation Table . •
I/O Map .....................................
8255 PPI I/O Map ....................
US RT 8251 ...............................
Keyboard Signals ........................
Key Operation ...........................
Timer ...........................................
Baud Rate Establishing ................
Video RAM and HD46505 CRTC . .
DTS-4 Di Switch ..............................
DOS Editing Keys ..............................
5-1
5-2
5-3
5-6
5-8
• 5-12
. 5-14
. 5-15
. 5-16
. 5-17
• 5-19
. 5-28
. 5-30
5-31
5-32
5-33
5-33
5-36
5-37
5-38
5-40
5-41
6-1
CHAPTER 6 PERIPHERAL INSTALLATIONS. . .
Installation Instructions ............ .
Cabinet Cover Removal ................ . .
Rear Panel Removal ..............................
Second Drive (FDD 1655) Installation
Memory Expansion (MBC 64K) Installation . . . 6-10
Serial Port (MBC 232C) Installation
Joy Stick Installation ...................
Monitor (CRT-36) Installation . . .
dditional Software and Manuals . .
6-2
6-3
6-4
6-6
6-15
6-19
6-21
6-22

INDEX .
1-1

••
CHAPTER 1
GETTING STARTEO
1-1

INTRO UCTION
The MBC-550 series com uter is 16 bit com onent ty e
ersonal com uter. It features an Intel 8088 (3.6 MHz
no-wait) central rocessing unit (CPU). The main 128K
memory may be ex anded u to 256K.
The MBC-550 series com uter comes wih a standard 5 1/4
inch single-sided, double density flo y disk drive
(160K bytes in its formatted state). An additional
drive may be added.
High resolution color or monochrome monitors may be
used with your com uter. The color monitor is 14 ” 640
x 200 dots one-dot-eight-color ty e and the green
monitor is 12" 640 x 200 dots ty e. We recommend Sanyo
brand monitors for the best results.
The o erating system used is MS-DOS (tm) by Microsoft
(tm). A wide range of software and a lications is
available. Please contact your authorized Sanyo com ut 
er dealer for more information on these rograms.
The MBC-550 series com uter has a arallel rinter that
allows com atibility with Sanyo brand rinters as well
as most arallel rinters. An o tional RS-232C inter 
face is available for connections with serial rinters.
1-2

SETTING UP
Computer Location
The lacement of your Sanyo com uter is im ortant.
Just as you would not lace your refrigerator near the
furnace
work with maximum efficiency.
Please follow these guide lines in selecting a suitable
lace for your com uter.
Do not lace the com uter in the direct sun 
light or near heaters or coolers.
you should locate your com uter where it will
1.
2.
Do not locate the com uter in areas of dirt
and dust or where vibration may take lace.
3.
Do not use in areas of intense electromagnetic
fields.
4.
Kee the com uter away from walls and lace it
in a well ventilated room.
5.
Use only specified local power lines.
6.
Do not drink or eat near the com uter or
lace it where crumbs and liquid can enter the
com uter cabinet.
1-3

D skette Handl ng
Do not in or cli the diskette
(disk) jacket.
Do not write anywhere on the
disk exce t on the label.
Always write with a felt ti
en; do not use a encil or ink
en.
Do not touch the magnetic re 
cording face.
Never clean with alcohol or
similar material.
Never ex ose disks to magnetic
or electric fields.
Do not store disks in direct
sunlight, extreme heat or cold.
Kee the diskettes inside their
envelo es to rotect against
dust or dirt.
Do not bend or fold diskettes.
Always make co ies of original
disks for safe kee ing.
Recommended D skettes
Sanyo recommends the use of the Sanyo MD1DD diskettes
(single sided, double density, soft sectored).
Sanyo assumes no res onsibility for trouble arising
from the use of other diskette ty es.
1-4

INSTALLATION
Use local AC ower outlets,
switching the ower on or off.
Remove diskettes before
System Co ectio
Please read the following instructions before connect 
ing the system.
Check each box [] as you complete each step.
Connect the keyboard as shown below.
RE R P NEL
KEYBO RD
© /
[] Remove the vinyl cover from the lugs and connect 
ors.
[] Join the keyboard cable to the com uter socket
labeled KEY BOARD.
1-5

Mon tor Connect on
Sanyo CRT-36 Data Dis lay Monitor
The CRT-36 monitor may be laced on the to of the
com uter cabinet or in a convenient location nearby.
[] Connect the video cord to the monitor in the rear
socket labled VIDEO OUTPUT.
[] Connect the other end to the rear of the Sanyo 550
series com uter in the socket labeled MONO CHROME.
[] Connect the ower cord to a local outlet,
ower switch is located below the screen.
The
OTHER MONITORS - SOME MONITORS PROVIDE POOR
NOTE: FOR
EMI PERFORMANCE.
CONNECT THE MONITOR POWER CORD TO THE MBC 550 SERIES
COMPUTER POWER OUTLET LOCATED IN THE REAR OF THE COM-
TO ELIMINBATE THE NOISE PROBLEM,
PUTER.
Printer Connection(optional)
Parallel Printers
Connect the rinter as shown below.
REAR PANEL
PRINTER
SPRING
1-6

[] Connect the rinter cable to the com uter connector
labeled PRINTER. Lock by ressing s rings into the
slots on the rinter lug. Note that this is a
arallel (Centronics) rinter ort and will su ort
only a arallel rinter such as the Sanyo PR5000/
5500.
Please contact your Sanyo com uter dealer
for other Sanyo rinters.
[] Connect the rinter cable to the rinter.
CAUTION: When connect ng per pherals to the MBC-550
series com uters, be sure to use the s ecified shield
cables (by the eri herals* manufacturers) to meet the
FCC regulations.
1-7

N MES ND FUNCTIONS OF THE P RTS
Names
Front
71
(2) Drive Lamp
\
i (D Diskette Set Lever
A
(4) Diskette Case
(B) Keyboard
(T) Power Switch
(3) Floppy Disk Drive
1-8

Funct ons
1 Power Switch
Press the switch in to turn the com uter on. A red
light will glow on the A: drive indicating full ower.
Never turn the ower on with a diskette in the drive.
2 Drive Lam
This red lamp glows when power is first turned on and
indicates full power received. With two drives, the
drive lamp indicates which drive is being used.
3 Floppy Disk Drive
This is a built-in 5 1/4" single sided, double density,
floppy disk drive. One more drive may be added in the
space now used for diskette storage.
4 Diskette Case
This compartment may be used to store disks. Please
note the position of the diskette as it enters the
compartment. Do not force entry, try again with disk
rotated till it matches the figure in the illustration.
5 Diskette Set Lever
Insert the diskette into the drive and move the lever
down to set the diskette. Move the lever up to remove
the diskette. Never start the computer with the
diskette in the drive.
6 Keyboard
The keyboard contains ten function keys, cursor control
keys, numeric keys, ten key pad, math function keys,
and editing keys in SCII specifications.
1-9