MNC INTERNATIONAL, INC.

MNC 1134 COMPLETE 386SX

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB

Cache

None

BIOS

Quadtel

Dimensions

330mm x 106.7mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial port (2), VGA port

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

J11

Serial port (COM1)

P4

Turbo LED

J12

Keyboard/reset switch/keylock/speaker/turbo switch

P5

IDE interface

P1

LCD

P6

Floppy drive interface

P2

VGA port

P7

Serial port (COM2)

P3

Parallel port

P8

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

CPU speed select 16MHz

J1

J6

closed

open

 

CPU speed select 20MHz

J1

J6

open

closed

 

CPU speed select 25MHz

J1

J6

open

open

»

Pipeline mode enabled

J2

closed

 

Pipeline mode disabled

J2

open

»

NPU mode select synchronous with CPU

J3

open

 

NPU mode select asynchronous with CPU

J3

closed

»

IDE interface enabled

J4

pins 2 & 3 closed

 

IDE interface disabled

J4

pins 1 & 2 closed

»

On board floppy interface enabled

J5

J14

closed

pins 1 & 2 closed

 

On board floppy interface disabled

J5

J14

open

pins 2 & 3 closed

»

Paralell port select send data

J7

pins 2 & 3 closed

 

Paralell port select receive data

J7

pins 1 & 2 closed

»

Power good signal detect from power supply

J8

closed

 

Power good signal detect from board

J8

open

»

Monitor type select color

J9

closed

 

Monitor type select monochrome

J9

open

»

On board VGA interface enabled

J10

pins 1 & 2 closed

 

On board VGA interface disabled

J10

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

FLASH MEMORY REGION JUMPER CONFIGURATION

Region

J13

D8000 - DFFFF

open

C8000 - CFFFF

pins 3 & 4 closed

D0000 - D7FFF

pins 1 & 2 closed

C0000 - C7FFF

pins 1 & 2 and 3 & 4 closed