DTK COMPUTER, INC.

KEEN-4031

Processor

80386DX

Processor Speed

40MHz

Chip Set

DTK

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

64KB

BIOS

AMI/DTK

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Speaker

J4

Turbo LED

J2

Power LED & keylock

J5

Turbo switch

J3

32-bit system memory card

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

 

Turbo switch select normal speed (no cache support)

J3

pins 1 & 2 closed

 

Turbo switch select turbo speed (cache support)

J3

Open

 

Turbo switch select through keyboard by pressing CTRL, ALT, -

J3

pins 2 & 3 closed

»

NPU disabled

J11

Closed

 

NPU enabled

J11

Open

 

Monitor type select monochrome

SW1/4

Off

 

Monitor type select color

SW1/4

On

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

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

1MB

On

On

On

2MB

On

On

On

4MB

On

Off

On

5MB

Off

Off

On

8MB

On

On

Off

CACHE CONFIGURATION

Note: 64KB cache is factory installed and is not configurable. The location is unidentified.