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MICRONICS 386 (VER. 5.0)

MICRONICS COMPUTERS, INC.

MICRONICS 386 (VER. 5.0)

Processor

80386SX

Processor Speed

20/25/33MHz

Chip Set

Unidentified

Max. Onboard DRAM

16MB (on external memory card)

Cache

32/64KB

BIOS

Phoenix

Dimensions

355mm x 305mm

I/O Options

External memory card

NPU Options

80387SX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Turbo LED

W9

Power LED & keylock

J21

Turbo switch

W15

Speaker

J22

External memory card

SL1

Reset switch

W1

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

SW1/1

On

NPU disabled

SW1/2

Off

 

NPU enabled

SW1/2

On

Factory configured - do not alter

SW1/3

Off

EGA/BIOS relocated

SW1/4

On

 

EGA/BIOS not relocated

SW1/4

Off

Factory configured - do not alter

SW1/5

Off

Monitor type select CGA/EGA/VGA

SW1/6

On

 

Monitor type select monochrome

SW1/6

Off

Cache enabled

SW1/7

On

 

Cache disabled

SW1/7

Off

Bus speed select low

SW1/8

Off

 

Bus speed select high

SW1/8

On

Factory configured - do not alter

W3

Closed

Factory configured - do not alter

W4

Open

Factory configured - do not alter

W5

Open

Factory configured - do not alter

W6

Open

Factory configured - do not alter

W10

Open

Non cacheable region at E0000 to EFFFF

W22

Closed

 

Non cacheable region at D0000 to DFFFF

W22

Open

Factory configured - do not alter

W23

N/A

Note: The location of jumpers W4, W5, W6, & W10 are unidentified.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

32KB

(4) 8K x 8

NONE

64KB

(4) 8K x 8

(4) 8K x 8

CACHE JUMPER CONFIGURATION

Setting

W12

W13

Direct map

Closed

pins 1 & 2 closed

Two way set

Open

pins 2 & 3 closed

NPU CONFIGURATION

Setting

W7

W8

Asynchronous

pins 1 & 2 closed

Closed

Synchronous

pins 2 & 3 closed

Open

CONNECTIONS

Purpose

Location

Proprietary memory expansion connector

CN1

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(36) 41256

NONE

2MB

(36) 41256

(36) 41256

4MB

(36) 411000

NONE

5MB

(36) 41256

(36) 411000

8MB

(36) 411000

(36) 411000

Note: Expansion card has a maximum of 8MB. To install 12MB or 16MB, install memory card at CN1.

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

1MB

On

Off

On

On

On

Off

Off

Off

2MB

Off

On

On

On

On

Off

Off

Off

4MB

On

On

Off

Off

On

Off

Off

Off

5MB

Off

Off

Off

On

On

Off

Off

Off

8MB

Off

On

Off

Off

On

Off

Off

Off

12MB

Off

Off

Off

Off

On

Off

Off

Off

16MB

Off

Off

Off

Off

On

Off

Off

Off

Note: These chips are board specific. Refer to manual for proper chip sizes.

CONNECTIONS

Purpose

Location

Proprietary memory expansion connector

CN1

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(16) 44256

NONE

NONE

2MB

(16) 44256

(8) 44256

NONE

5MB

(16) 44256

NONE

(36) 411100

6MB

(16) 44256

(8) 44256

(36) 411100

Note: Expansion card has a maximum of 6MB. To install 16MB, install memory card at CN1.

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

1MB

Off

Off

Off

Off

On

On

On

On

2MB

Off

Off

Off

On

On

On

On

On

5MB

Off

On

On

Off

On

Off

On

On

6MB

Off

On

Off

On

On

On

On

On

16MB

On

On

On

On

On

On

On

On

Note: These chips are board specific. Refer to manual for proper chip sizes.