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ATOMIZER 386/20 Motherboard Settings and Configuration






CORE INTERNATIONAL, INC.

ATOMIZER 386/20

Processor

80386DX

Processor Speed

20MHz

Chip Set

NEC

Max. Onboard DRAM

8MB

Cache

Unidentified

BIOS

Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J20

Turbo LED

J23

Power LED & keylock

J21

32-bit external memory card

S1

Speaker

J22

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

BIOS type select 27256

J19

pins 1 & 2 closed

 

BIOS type select 27128

J19

pins 2 & 3 closed

Conventional memory size select 512KB

SW1/1

On

 

Conventional memory size select 640KB

SW1/1

Off

Onboard EGA BIOS enabled

SW1/5

On

 

Onboard EGA BIOS disabled

SW1/5

Off

Factory configured - do not alter

SW1/6

Off

CPU speed at boot select 20MHz

SW1/7

On

 

CPU speed at boot select 8MHz

SW1/7

Off

Monitor type select monochrome

SW1/8

Off

 

Monitor type select color

SW1/8

On

Note:The location of J19 is unidentified.

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

8MB

(4) 1M x 9

(4) 1M x 9

DRAM SWITCH CONFIGURATION

Size

SW1/2

SW1/3

SW1/4

1MB

Off

On

On

2MB

Off

Off

On

4MB

Off

On

Off

8MB

On

Off

Off

CACHE CONFIGURATION

Note:Although cache chips are diagrammed in the users manual, no information concerning cache sizes or configurations are listed in the users manual nor are they available from the manufacturer.








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