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KEEN-4000, GRAFIKA 3E, PEM 4000

DTK COMPUTER, INC.

KEEN-4000, GRAFIKA 3E, PEM 4000

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Speaker

J4

Turbo LED

J2

32-bit external memory card

S1

Reset switch

J3

   

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

CPU speed select switchable from keyboard

W6

Pins 2 & 3 closed

 

CPU speed select forced slow

W6

Pins 1 & 2 closed

 

CPU speed select forced fast

W6

Open

BIOS type select 27256

W7

Pins 1 & 2 closed

 

BIOS type select 27512

W7

Pins 2 & 3 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) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

DRAM JUMPER/SWITCH CONFIGURATION

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 4

256KB

(8) 64K x 4

(2) 64K x 4

CACHE JUMPER CONFIGURATION

Size

W4

W5

64KB

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB

Pins 2 & 3 closed

Pins 2 & 3 closed