AMERICAN DIGICOM CORPORATION

P9-H

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

230mm x 220mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Reset switch

J14

Speaker

J12

Turbo switch

J15

Power LED & keylock

J13

Turbo LED

J16

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

J1

pins 2 & 3 closed

 

CMOS memory clear

J1

pins 1 & 2 closed

»

Monitor type select color

J5

Closed

 

Monitor type select monochrome

J5

Open

»

NPU mode select synchronous with CPU

J17

Open

 

NPU mode select asynchronous with CPU

J17

Closed

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

Bank 2

Bank 3

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

1MB

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

(4) 441000

(2) 411000

NONE

NONE

NONE

NONE

2MB

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

3MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 1M x 9

NONE

4MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

NONE

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9

5MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 1M x 9

(2) 1M x 9

6MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

(2) 1M x 9

NONE

8MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

(2) 1M x 9

(2) 1M x 9

9MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

(2) 4M x 9

NONE

10MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 4M x 9

12MB

(4) 441000

(2) 411000

(4) 441000

(2) 411000

(2) 4M x 9

NONE

16MB

NONE

NONE

NONE

NONE

(2) 4M x 9

(2) 4M x 9

Notes:Banks 2 & 3 are considered Banks 0 & 1, respectively, when filled without utilizing DIP.

However, they will be referred to throughout the text as Banks 2 & 3 to avoid confusion.

DRAM CONFIGURATION

Size

J6

J7

J8

J9

J10

J11

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

3MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

4MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

4MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

5MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

6MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

8MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

9MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

10MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

12MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

16MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.