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386-25

J-MARK COMPUTER CORPORATION

386-25

Processor

AM386/80386 (exact location unidentified)

Processor Speed

25MHz

Chip Set

OPTI

Video Chip Set

None

Maximum Onboard Memory

16MB ( 8MB on external card)

Maximum Video Memory

None

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

External memory card

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

CR4

External memory card

SL1

External battery

J10

Reset switch

SW1

Speaker

J22

Turbo switch

SW2

Power LED & keylock

J23

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

JP1

Pins 1 & 2 closed

 

Monitor type select monochrome

JP1

Pins 2 & 3 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) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

None

None

None

2MB

(4) 256K x 9

(4) 256K x 9

None

None

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

None

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

None

None

None

5MB

(4) 256K x 9

(4) 1M x 9

None

None

6MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

None

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

None

6MB

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

None

7MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

7MB

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

7MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(4) 1M x 9

(4) 1M x 9

None

None

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

None

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

None

9MB

(4) 1M x 9

(4) 256K x 9

(4) 1M x 9

None

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

10MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

10MB

(4) 1M x 9

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

None

13MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

13MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

13MB

(4) 1M x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

Note: If this board has 16MB installed, the on board memory is disabled.