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3000B 386/16/20 (EV-1864)

EVEREX SYSTEMS, INC.

3000B 386/16/20 (EV-1864)

Processor

80386SX

Processor Speed

20MHz

Chip Set

C & T

Max. onboard DRAM

8MB

Cache

None

BIOS

AMI

Dimensions

355mm x 304mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

External battery

J4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

W1

Closed

8-bit-select 5 wait state

W2

pins 2 & 3 closed

 

8-bit-select 4 wait state

W2

pins 1 & 2 closed

CPU speed select normal

W3

pins 2 & 3 closed

 

CPU speed select high

W3

Open

 

CPU speed select low

W3

pins 1 & 2 closed

16-bit select 2 wait state

W5

pins 1 & 2 closed

 

16-bit select 1 wait state

W5

pins 2 & 3 closed

Factory configured - do not alter

W7

Open

Factory configured - do not alter

W8

Closed

Monitor type select color

W9

pins 1 & 2 closed

 

Monitor type select monochrome

W9

pins 2 & 3 closed

Note:Exact location of W1 & W8 is unknown.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

W4

W6

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

pins 1 & 2

pins 1 & 2

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

pins 1 & 2

pins 1 & 2

2MB

(2) 1M x 9

NONE

NONE

NONE

pins 2 & 3

pins 2 & 3

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

pins 2 & 3

pins 2 & 3

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

pins 2 & 3

pins 2 & 3

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed position.