MBC-18SX

SANYO BUSINESS SYSTEMS CORPORATION

MBC-18SX

Processor

80386SX

Processor Speed

16MHz

Chip Set

Zymos

Max. Onboard DRAM

2MB

Cache

None

BIOS

Sanyo

Dimensions

332mm x 136mm

I/O Options

Serial port, parallel port, floppy drive interface, IDE interface

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port

CN1

Speaker & I/O LED

CN10

Parallel port

CN2

Keylock

CN11

Floppy drive interface

CN3

External batteries

CN12 & CN13

IDE interface

CN7

Reset switch

SW1

Keyboard connector

CN9

Note:The purpose of connectors CN5 & CN8 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»
Serial port interrupt select primary

JP1

pins 2 & 3 closed

Serial port interrupt select secondary

JP1

pins 1 & 2 closed

»
Parallel port interrupt select primary

JP2

pins 2 & 3 closed

Parallel port interrupt select secondary

JP2

pins 1 & 2 closed

»
Factory configured - do not alter

JP3

pins 1 & 2 closed

»
Factory configured - do not alter

JP4

Open

»
IDE interface enabled

JP5

pins 1 & 2 closed

»
IDE interface disabled

JP5

pins 2 & 3 closed

»
Factory configured - do not alter

JP6

pins 2 & 3 closed

»
Factory configured - do not alter

JP7

Open

»
Bus mouse address select primary

JP12

pins 2 & 3 closed

Bus mouse address select secondary

JP12

pins 1 & 2 closed

»
Factory configured - do not alter

JP13

pins 1 & 2 closed

»
Factory configured - do not alter

JP14

pins 1 & 2 closed

»
Factory configured - do not alter

JP15

pins 1 & 2 closed

»
Factory configured - do not alter

JP16

pins 1 & 2 closed

»
Factory configured - do not alter

JP17

pins 2 & 3 closed

»
Factory configured - do not alter

JP18

pins 2 & 3 closed

»
Factory configured - do not alter

JP19

pins 1 & 2 closed

»
IDE interrupt select SLVAC disabled

JP20

pins 1 & 2 closed

IDE interrupt select SLVAC enabled

JP20

pins 2 & 3 closed

»
Factory configured - do not alter

DPS1/1

Off

»
Parallel port address select primary

DPS1/2

On

Parallel port address select secondary

DPS1/2

Off

»
Serial port address select primary

DPS1/3

On

Serial port address select secondary

DPS1/3

Off

»
Floppy drive interface address select primary

DPS1/4

On

Floppy drive interface address select secondary

DPS1/4

Off

»
Monitor type select color

DPS1/5

On

Monitor type select monochrome

DPS1/5

Off

»
CPU speed select fast

DPS1/6

On

CPU speed select slow

DPS1/6

Off

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

1MB

(8) 44256

(4) 41256

NONE

NONE

2MB

(8) 44256

(4) 41256

(8) 44256

(4) 41256

MOUSE IRQ CONFIGURATION

IRQ

JP8

JP9

JP10

JP11

IRQ3

Open

Open

Closed

Open

IRQ4

Open

Closed

Open

Open

IRQ5

Closed

Open

Open

Open

IRQ9

Open

Open

Open

Closed

Processor	80386SX
Processor Speed	16MHz
Chip Set	Zymos
Max. Onboard DRAM	2MB
Cache	None
BIOS	Sanyo
Dimensions	332mm x 136mm
I/O Options	Serial port, parallel port, floppy drive interface, IDE interface
NPU Options	80387SX

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port	CN1	Speaker & I/O LED	CN10
Parallel port	CN2	Keylock	CN11
Floppy drive interface	CN3	External batteries	CN12 & CN13
IDE interface	CN7	Reset switch	SW1
Keyboard connector	CN9
Note:The purpose of connectors CN5 & CN8 is unidentified.

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	Serial port interrupt select primary	JP1	pins 2 & 3 closed
	Serial port interrupt select secondary	JP1	pins 1 & 2 closed
»	Parallel port interrupt select primary	JP2	pins 2 & 3 closed
	Parallel port interrupt select secondary	JP2	pins 1 & 2 closed
»	Factory configured - do not alter	JP3	pins 1 & 2 closed
»	Factory configured - do not alter	JP4	Open
»	IDE interface enabled	JP5	pins 1 & 2 closed
»	IDE interface disabled	JP5	pins 2 & 3 closed
»	Factory configured - do not alter	JP6	pins 2 & 3 closed
»	Factory configured - do not alter	JP7	Open
»	Bus mouse address select primary	JP12	pins 2 & 3 closed
	Bus mouse address select secondary	JP12	pins 1 & 2 closed
»	Factory configured - do not alter	JP13	pins 1 & 2 closed
»	Factory configured - do not alter	JP14	pins 1 & 2 closed
»	Factory configured - do not alter	JP15	pins 1 & 2 closed
»	Factory configured - do not alter	JP16	pins 1 & 2 closed
»	Factory configured - do not alter	JP17	pins 2 & 3 closed
»	Factory configured - do not alter	JP18	pins 2 & 3 closed
»	Factory configured - do not alter	JP19	pins 1 & 2 closed
»	IDE interrupt select SLVAC disabled	JP20	pins 1 & 2 closed
	IDE interrupt select SLVAC enabled	JP20	pins 2 & 3 closed
»	Factory configured - do not alter	DPS1/1	Off
»	Parallel port address select primary	DPS1/2	On
	Parallel port address select secondary	DPS1/2	Off
»	Serial port address select primary	DPS1/3	On
	Serial port address select secondary	DPS1/3	Off
»	Floppy drive interface address select primary	DPS1/4	On
	Floppy drive interface address select secondary	DPS1/4	Off
»	Monitor type select color	DPS1/5	On
	Monitor type select monochrome	DPS1/5	Off
»	CPU speed select fast	DPS1/6	On
	CPU speed select slow	DPS1/6	Off

DRAM CONFIGURATION
Size	Bank 0	P-0	Bank 1	P-1
1MB	(8) 44256	(4) 41256	NONE	NONE
2MB	(8) 44256	(4) 41256	(8) 44256	(4) 41256

MOUSE IRQ CONFIGURATION
IRQ	JP8	JP9	JP10	JP11
IRQ3	Open	Open	Closed	Open
IRQ4	Open	Closed	Open	Open
IRQ5	Closed	Open	Open	Open
IRQ9	Open	Open	Open	Closed