DTK COMPUTER, INC.

KEEN 3304

Processor

80386DX

Processor Speed

33MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

64/256KB

BIOS

AMI/Award/Phoenix/DTK

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80387DX/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Speaker

J4

Turbo LED

J2

Turbo switch

W6

Reset switch

J3

32-bit external memory card

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Monitor type select color

SW1/6

On

 

Monitor type select monochrome

SW1/6

Off

»

NPU disabled

W1

Closed

 

NPU enabled

W1

Open

»

Turbo switch select normal (hardware)

W6

pins 1 & 2 closed

 

Turbo switch select turbo (hardware)

W6

Open

 

Turbo switch select speed toggled (software)

W6

pins 2 & 3 closed

»

BIOS type select 27256

W7

pins 1 & 2 closed

 

BIOS type select 27512

W7

pins 2 & 3 closed

»

DMA clock speed select 8MHz

W8

Closed

 

DMA clock speed select 6MHz

W8

Open

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) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

DRAM SWITCH CONFIGURATION (MAINBOARD)

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

W2

W3

1MB

On

On

On

On

On

2 & 3

2 & 3

2MB

On

On

On

On

On

2 & 3

2 & 3

4MB

On

On

Off

On

Off

1 & 2

1 & 2

5MB

Off

On

Off

Off

On

2 & 3

1 & 2

8MB

Off

On

Off

Off

Off

1 & 2

1 & 2

Note:Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Bank 0

TAG

64KB

(8) 16K x 4

(2) 16K x 8

256KB

(8) 64K x 4

(2) 64K x 8

CACHE JUMPER CONFIGURATION

Size

W4

W5

64KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

DRAM CONFIGURATION (MEMORY CARD)

Size

Bank 0

Bank 1

Bank 0a

Bank 1a

Bank 2a

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

5MB

(4) 1M x 9

NONE

(4) 256K x 9

NONE

NONE

6MB

(4) 1M x 9

NONE

(4) 256K x 9

(4) 256K x 9

NONE

7MB

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

NONE

7MB

(4) 1M x 9

NONE

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

8MB

(4) 1M x 9

NONE

(4) 1M x 9

NONE

NONE

8MB

(4) 256K x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

NONE

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

11MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

NONE

13MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

14MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

NONE

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

Note: Banks 0 & 1 are located on the mainboard.

DRAM SWITCH CONFIGURATION (MEMORY CARD)

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

SW1/9

3MB

On

On

Off

Off

On

Off

Off

On

Off

4MB

On

On

Off

Off

On

Off

Off

On

Off

5MB

On

On

Off

On

Off

Off

Off

On

Off

6MB

On

On

Off

On

Off

Off

Off

On

On

7MB

On

On

Off

On

Off

On

Off

On

Off

7MB

On

On

Off

On

Off

Off

Off

On

Off

8MB

On

Off

Off

On

Off

Off

Off

On

Off

8MB

On

On

Off

On

Off

On

Off

On

Off

9MB

On

On

On

Off

Off

Off

Off

On

Off

9MB

On

Off

Off

On

Off

On

Off

On

Off

10MB

On

On

On

Off

Off

Off

Off

On

Off

10MB

On

Off

Off

Off

On

Off

Off

On

Off

11MB

On

On

On

Off

Off

Off

Off

On

On

12MB

On

Off

Off

On

Off

Off

Off

On

On

13MB

On

Off

Off

On

Off

On

Off

On

On

14MB

On

Off

Off

Off

On

Off

Off

On

Off

16MB

On

Off

On

Off

Off

Off

Off

On

On

16MB

On

Off

Off

On

Off

Off

Off

On

Off

Note: These jumper settings correspond exactly with the above DRAM configuration table. SW1/10 is not used.

DRAM JUMPER CONFIGURATION (MEMORY CARD)

Size

W1

W2

W3

256K x 9

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

1M x 9

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Note:These jumpers correspond to the type of memory used in the memory card.