MICRONICS COMPUTERS, INC.

80386SX-16

Processor

80386SX

Processor Speed

16MHz

Chip Set

Intel

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

331mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Turbo switch

J5

Reset switch

J3

Speaker

J6

Turbo LED

J4

Power LED & keylock

J7

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

CPU speed select forced high

J5

Closed

 

CPU speed select switchable at keyboard

J5

Open

»

Keyboard BIOS turbo mode output signal select pin 23

J8

pins 1 & 4 closed

 

Keyboard BIOS turbo mode output signal select pin 30

J8

pins 2 & 5 closed

 

Keyboard BIOS turbo mode output signal select pin 32

J8

pins 3 & 6 closed

»

BIOS type select 27256

SW1/1

Open

 

BIOS type select 27512

SW1/1

Closed

»

Monitor type select monochrome

SW1/2

Open

 

Monitor type select color

SW1/2

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18) 41256

NONE

NONE

NONE

512KB

NONE

NONE

(2) 256K x 9

NONE

1MB

(18) 41256

(18) 41256

NONE

NONE

1MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

1MB

(18) 41256

NONE

NONE

(2) 256K x 9

1MB

NONE

(18) 41256

(2) 256K x 9

NONE

1.5MB

(18) 41256

(18) 41256

(2) 256K x 9

NONE

1.5MB

(18) 41256

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(18) 41256

(18) 41256

(2) 256K x 9

(2) 256K x 9

2MB

(18) 411000

NONE

NONE

NONE

2MB

NONE

NONE

(2) 1M x 9

NONE

4MB

(18) 411000

(18) 411000

NONE

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

4MB

(18) 41000

NONE

NONE

(2) 1M x 9

4MB

NONE

(18) 411000

(2) 1M x 9

NONE

6MB

(18) 411000

(18) 411000

(2) 1M x 9

NONE

6MB

(18) 411000

NONE

(2) 1M x 9

(2) 1M x 9

8MB

(18) 411000

(18) 411000

(2) 1M x 9

(2) 1M x 9

DRAM MODE CONFIGURATION

Mode

DRAM Type

DRAM speed

Max pages active

SW1/3

SW1/4

F1

Fast Page mode

100ns

4

Off

Off

F2

Fast Page mode

100ns

1

On

Off

W01

Non-Page mode

100ns

4

Off

On

W02

Non-Page mode

120ns

4

On

On

DRAM JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

JP5

JP6

512KB

N/A

N/A

N/A

N/A

N/A

N/A

512KB

N/A

N/A

N/A

1 & 2

1 & 2

1 & 2

1MB

N/A

N/A

N/A

N/A

N/A

N/A

1MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1MB

1 & 2

1 & 2

1 & 2

N/A

N/A

N/A

1MB

N/A

N/A

N/A

1 & 2

1 & 2

1 & 2

1.5MB

N/A

N/A

N/A

1 & 2

2 & 3

2 & 3

1.5MB

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

2MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB

N/A

N/A

N/A

N/A

N/A

N/A

2MB

N/A

N/A

N/A

1 & 2

1 & 2

1 & 2

4MB

N/A

N/A

N/A

N/A

N/A

N/A

4MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

4MB

1 & 2

1 & 2

1 & 2

N/A

N/A

N/A

4MB

N/A

N/A

N/A

1 & 2

1 & 2

1 & 2

6MB

N/A

N/A

N/A

2 & 3

2 & 3

2 & 3

6MB

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

8MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note:Pins designated should be in the closed position.