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80386 ASIC

MICRONICS COMPUTERS, INC.

80386 ASIC

Processor

80386DX

Processor Speed

25MHz

Chip Set

Micronics

Max. Onboard DRAM

8MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J5

Turbo LED

W4

External keyboard

J6

Turbo switch

W5

External battery

J9

32-bit external memory card

J700

Reset switch

W1

Speaker

J701

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Factory configured - do not alter

SW1/1

Off

NPU disabled

SW1/2

Off

 

NPU enabled

SW1/2

On

Factory configured - do not alter

SW1/3

Off

Shadow BIOS disabled

SW1/4

Off

 

Shadow BIOS enabled

SW1/4

On

Factory configured - do not alter

SW1/5

Off

Monitor type select monochrome

SW1/6

Off

 

Monitor type select color

SW1/6

On

Factory configured - do not alter

SW1/7

Off

Factory configured - do not alter

SW1/8

Off

External memory card select normal operation

W700

Open

 

External memory card select extended memory over 15MB

W700

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) 1 M x 9

8MB

(4) 1M x 9

(4) 1M x 9

DRAM JUMPER CONFIGURATION

Size

W98

W100

1MB

pins 1 & 2 closed

pins 1 & 2 closed

2MB

pins 1 & 2 closed

pins 1 & 2 closed

4MB

pins 2 & 3 closed

pins 1 & 2 closed

5MB

pins 1 & 2 closed

pins 2 & 3 closed

8MB

pins 2 & 3 closed

pins 2 & 3 closed