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80386 SMT ASIC, 386 ASIC CACHE VER. 4.0

MICRONICS COMPUTERS, INC.

80386 SMT ASIC, 386 ASIC CACHE VER. 4.0

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

Micronics

Max. Onboard DRAM

4MB

Cache

64KB

BIOS

AMI

Dimensions

215mm x 337mm

I/O Options

32-bit external memory card

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J5

32-bit external memory card

S1

External keyboard

J6

Reset switch

W1

Speaker

J8

Turbo LED

W4

External battery

J9

Turbo switch

W5

USER CONFIGURABLE SETTINGS

Function

Switch

Position

Factory configured - do not alter

SW1/1

On

NPU enabled

SW1/2

Off

 

NPU disabled

SW1/2

On

BIOS shadowing enabled

SW1/4

Off

 

BIOS shadowing disabled

SW1/4

On

Factory configured - do not alter

SW1/5

Off

Monitor type select color

SW1/6

On

 

Monitor type select monochrome

SW1/6

Off

Cache enabled

SW1/7

On

 

Cache disabled

SW1/7

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank 4

1MB

(4) 256K x 9

NONE

NONE

NONE

NONE

1MB

NONE

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

NONE

(4) 256K x 9

NONE

NONE

2MB

NONE

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

NONE

4MB

NONE

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

NONE

(4) 1M x 9

NONE

NONE

5MB

NONE

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

NONE

(4) 256K x 9

(4) 1M x 9

NONE

6MB

NONE

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

8MB

(4) 1M x 9

NONE

(4) 1M x 9

NONE

NONE

8MB

NONE

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 256K x 9

NONE

(4) 1M x 9

(4) 1M x 9

NONE

9MB

NONE

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

10MB

(4) 256K x 9

NONE

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

10MB

NONE

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

NONE

(4) 1M x 9

(4) 1M x 9

NONE

12MB

NONE

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 256K x 9

NONE

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

13MB

NONE

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

NONE

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

NONE

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

Note:Banks 1, 2, 3, & 4 are utilized when a 32-bit external memory card is installed at S1.

Banks 0 & 1 can not be used simultaneously

CACHE CONFIGURATION

Size

Organization

Cache

Location

W14

W15

32KB

Direct mapped

(4) 8K x 8

Bank 0

closed

pins 1 & 2 closed

64KB

2-way set associative

(8) 8K x 8

Banks 0 & 1

open

pins 2 & 3 closed

CACHE JUMPER CONFIGURATION

Size

W14

W15

32KB

closed

pins 1 & 2 closed

64KB

open

pins 2 & 3 closed

BUS SPEED CONFIGURATION

Speed

SW1/3

SW1/8

iOSC/3

On

Off

 

iOSC/4

Off

On