EVEREX SYSTEMS, INC.

AGI 4000B EV-18126

Processor

80486DX

Processor Speed

25/33MHz

Chip Set

C & T

Max. Onboard DRAM

8MB

Cache

64/256KB

BIOS

AMI

Dimensions

355mm x 304mm

I/O Options

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

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Front panel connector

J4

Serial Port 2

J9

Speaker

J5

Serial Port 1

J10

Parallel Port

J8

32-bit memory card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

W1

Open

»

Factory configured - do not alter

W4

Unknown

»

Factory configured - do not alter

W5

Unknown

»

CPU speed select High

W6

Open

 

CPU speed select slow

W6

pins 1 & 2 closed

 

CPU speed select switchable via the keyboard

W6

pins 2 & 3 closed

»

Monitor type select color

W7

pins 1 & 2 closed

 

Monitor type select monochrome

W7

pins 2 & 3 closed

»

Speaker select enabled

W20

Closed

 

Speaker select disabled

W20

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

W8

W9

1MB

(4) 256K x 9

NONE

NONE

NONE

pins 2 & 3

pins 2 & 3

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

pins 2 & 3

pins 2 & 3

4MB

(4) 1M x 9

NONE

NONE

NONE

pins 1 & 2

pins 1 & 2

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

pins 2 & 3

pins 2 & 3

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

pins 1 & 2

pins 1 & 2

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

pins 1 & 2

pins 1 & 2

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

pins 1 & 2

pins 1 & 2

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

pins 1 & 2

pins 1 & 2

Note:10, 12 and 16MB configurations require the installation of the EV-1896 memory card.

Pins designated should be in the closed position.

DRAM SWITCH CONFIGURATION

Size

SW1/switch 1

SW1/switch 2

SW1/switch 3

SW1/switch 4

1MB

On

Off

On

On

2MB

Off

Off

On

Off

4MB

On

On

On

On

8MB

Off

On

On

Off

10MB

Off

Off

Off

Off

12MB

Off

On

Off

On

16MB

Off

On

Off

Off

CACHE CONFIGURATION

Size

Cache

TAG

64KB

(10) 16K x 4

(1) 16K x 1

256KB

(10) 64K x 4

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

W2

W3

64KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

I/O CONFIGURATION SW2

Port 1

Port 2

LPT

switch 1

switch 2

switch 3

switch 4

COM1

COM2

1

Off

Off

Off

Off

Disabled

Disabled

2

Off

Off

Off

Off

Disabled

Disabled

Disabled

On

On

On

On

I/O CONFIGURATION SW3

Port 1

Port 2

LPT

switch 1

switch 2

switch 3

switch 4

COM1

COM2

1

On

On

On

On

Disabled

Disabled

2

On

On

On

On

Disabled

Disabled

Disabled

Off

Off

Off

Off