SANYO BUSINESS SYSTEMS CORPORATION

MBC-17PLUS

Processor

80286

Speed

8/10/12MHz

Chip Set

Zymos

Max. Onboard DRAM

1MB

Cache

None

BIOS

Sanyo

Dimensions

332mm x 136mm

I/O Options

Serial port,. parallel port, floppy drive interface

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker & I/O LED

CN1

Floppy drive interface

CN6

Keylock

CN2

Serial port

CN7

Keyboard plug

CN4

Parallel port

CN8

External batteries

CN5 & CN9

Reset

SW2

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Floppy drive interface enabled

J1

pins 2 & 3 closed

 

Floppy drive interface disabled

J1

Open

»

Serial port IRQ select primary

J2

pins 2 & 3 closed

 

Serial port IRQ select secondary

J2

pins 1 & 2 closed

 

Serial port disabled

J2

Open

»

Parallel port IRQ select primary

J3

pins 2 & 3 closed

 

Parallel port IRQ select secondary

J3

pins 1 & 2 closed

 

Parallel port disabled

J3

pins 1 & 2 closed

»

Serial port address select primary

J4

pins 2 & 3 closed

 

Serial port address select secondary

J4

pins 1 & 2 closed

 

Serial port disabled

J4

pins 1 & 2 closed

»

Parallel port address select primary

J5

pins 2 & 3 closed

 

Parallel port address select secondary

J5

pins 1 & 2 closed

 

Parallel port disabled

J5

Open

»

Factory configured - do not alter

J6

pins 1 & 2 closed

»

DRAM speed select 5 wait states

J7

pins 1 & 2 closed

 

DRAM speed select 4 wait states

J7

pins 2 & 3 closed

»

NPU disabled

SW1/1

On

 

NPU enabled

SW1/1

Off

»

Factory configured - do not alter

SW1/3

N/A

»

Display type select color

SW1/4

On

 

Display type select monochrome

SW1/4

Off

»

Factory configured - do not alter

SW1/5

Off

»

CPU speed select fast

SW1/6

On

 

CPU speed select slow

SW1/6

Off

»

Factory configured - do not alter

TP1

N/A

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

512KB

(4) 44256

(2) 41256

NONE

NONE

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

DRAM SWITCH CONFIGURATION

Size

SW2/2

512KB

Off

1MB

On

BIOS CONFIGURATION

Size

J8

J9

27128

pins 2 & 3 closed

pins 2 & 3 closed

27256

pins 2 & 3 closed

pins 1 & 2 closed

27512

pins 1 & 2 closed

pins 1 & 2 closed