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CONTAQ-386

COMPUTREND SYSTEMS, INC.

CONTAQ-386

Processor

80386DX/80486DX (on MS-4901 daughter board)

Processor Speed

25/33/50MHz

Chip Set

CONTAQ

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Auxiliary keyboard connector

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J5 pins 1 - 5

Reset switch

J5 19 & 20

Speaker

J5 pins 7 - 10

External battery

JP2

Turbo LED

J5 pins 12 & 13

Auxiliary keyboard

JP7

Turbo switch

J5 pins 15 - 17

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

Battery type select internal

JP2

pins 2 & 3 closed

 

Battery type select external

JP2

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

TAG (U1)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 16K x 4

128KB

(4) 32K x 8

NONE

(1) 8K x 8

(1) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

(1) 16K x 4

CACHE JUMPER CONFIGURATION

Size

J4A

J4B

J4C

64KB

Closed

Open

Open

128KB

Open

Closed

Open

256KB

Open

Open

Closed

CPU TYPE CONFIGURATION

Type

J3A

J3B

JP5

J6A

J6B

JP8

80386DX

Closed

Open

pins 2 & 3 closed

Closed

Open

Open

80486DX

Open

Closed

pins 1 & 2 closed

Open

Closed

Closed

CPU BUS CLOCK CONFIGURATION

Type

Bus Clock

JP3

JP4

JP6

80386DX

CLK2/4

Closed

Closed

pins 1 & 2 closed

80386DX

CLK2/6

Open

Closed

pins 1 & 2 closed

80386DX

CLK2/8

Closed

Open

pins 1 & 2 closed

80386DX

CLK2/10

Open

Open

pins 1 & 2 closed

80386DX

7.2MHz

N/A

N/A

pins 2 & 3 closed

80486DX

Reserved

Open

Open

pins 1 & 2 closed

80486DX

CLK/3

Open

Closed

pins 1 & 2 closed

80486DX

CLK/4

Closed

Open

pins 1 & 2 closed

80486DX

CLK/6

Closed

Closed

pins 1 & 2 closed

80486DX

7.2MHz

N/A

N/A

pins 2 & 3 closed