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AGI 386-20 EV-1830B

EVEREX SYSTEMS, INC.

AGI 386-20 EV-1830B

Processor

80386DX

Processor Speed

20MHz

Chip Set

C & T

Max. Onboard DRAM

1MB

Cache

None

BIOS

AMI

Dimensions

355mm x 304mm

I/O Options

32-bit external memory cards (2), parallel port, serial ports (2)

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

CN1

Parallel port

J8

Turbo LED

J3

Serial port 1

J9

Power LED & keylock

J4

Serial port 2

J10

Speaker

J5

32-bit external memory card

S1

Reset switch

J6

32-bit external memory card

S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor select color

C/M

Closed

 

Monitor select monochrome

C/M

Open

8-bit cycle bus select 5 wait state

W1

pins 1 & 2 closed

 

8-bit cycle bus select 4 wait state

W1

pins 2 & 3 closed

16-bit cycle bus select 2 wait state

W2

pins 2 & 3 closed

 

16-bit cycle bus select 1 wait state

W2

pins 1 & 2 closed

Memory card

DRAM CONFIGURATION 1 CARD

System memory

Total memory

Bank 0

Bank 1

Bank 2

Bank 3

1MB

1MB

(18) 41256

(18) 41256

NONE

NONE

1MB

2MB

(18) 41256

(18) 41256

(36) 41256

NONE

1MB

3MB

(18) 41256

(18) 41256

(36) 41256

(36) 41256

1MB

5MB

(18) 41256

(18) 41256

(36) 411000

NONE

1MB

9MB

(18) 41256

(18) 41256

(36) 411000

(36) 411000

Note:Banks 2 & 3 are located on the external memory card.

DRAM CONFIGURATION 2 CARDS

External memory

Card 1/Bank 2

Card 1/Bank 3

Card 2/Bank 2

Card 2/Bank 3

3MB

(36) 41256

(36) 41256

(36) 41256

NONE

4MB

(36) 41256

(36) 41256

(36) 41256

(36) 41256

6MB

(36) 41256

(36) 41256

(36) 411000

NONE

10MB

(36) 41256

(36) 41256

(36) 411000

(36) 411000

12MB

(36) 411000

(36) 411000

(36) 411000

NONE

16MB

(36) 411000

(36) 411000

(36) 411000

(36) 411000

Note:Total memory includes system memory and external memory.

DRAM JUMPER CONFIGURATION

System memory

External memory

SW1/1

SW1/2

SW1/3

SW1/4

1MB

0MB

On

On

On

On

1MB

4MB

Off

On

On

On

1MB

8MB

Off

Off

On

On

1MB

14MB

Off

Off

Off

On

DRAM JUMPER CONFIGURATION 1 CARD

System memory

External memory

W1/1

W1/2

W1/3

W1/4

1MB

1MB

On

On

On

On

1MB

2MB

On

On

On

Off

1MB

4MB

Off

On

On

On

1MB

8MB

Off

On

On

Off

Note:Switch W1 is located on the external memory card.

DRAM JUMPER CONFIGURATION 2 CARDS

System memory

External memory

W1/1

W1/2

W1/3

W1/4

W2

1MB

3MB

Off

On

Off

Off

pins 2 & 3

1MB

4MB

Off

On

Off

On

pins 2 & 3

1MB

6MB

On

On

Off

Off

pins 2 & 3

1MB

10MB

On

On

Off

On

pins 1 & 2

1MB

12MB

On

On

Off

Off

pins 1 & 2

1MB

16MB

Off

Off

On

On

pins 1 & 2

Note:Switch W1 and jumper W2 are located on the external memory card.

SERIAL PORT CONFIGURATION

Port 1

Port 2

SW2/1

SW2/2

SW3/1

SW3/2

COM1

COM2

Off

Off

On

On

 

COM1

Disabled

Off

On

On

Off

 

Disabled

COM2

On

Off

Off

On

 

Disabled

Disabled

On

On

Off

Off

PARALLEL PORT CONFIGURATION

LPT

Address

IRQ

SW2/3

SW2/4

SW3/3

SW3/4

2

378-37Fh

7

Off

Off

Off

On

 

3

278-27Fh

5

Off

On

On

Off

 

Disabled

N/A

N/A

On

On

Off

Off