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SX386 EDITION 1.1 Motherboard Settings and Configuration






MAGUS DATA TECHNOLOGY, INC.

SX386 EDITION 1.1

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

C & T

Max. Onboard DRAM

8MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Auxiliary keyboard connector

J19

Reset switch

J25

External battery

J20

Speaker

J26

Turbo LED

J24

Power LED & keylock

J27

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Power good signal detect from power supply

J21

pins 1 & 2 closed

 

Power good signal detect from board

J21

pins 2 & 3 closed

Monitor type select CGA/EGA/VGA

J22

pins 1 & 2 closed

 

Monitor type select MDA/EGA/VGA

J22

pins 2 & 3 closed

NPU synchronous with CPU

J23

Open

 

NPU asynchronous with CPU

J23

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9








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