DTK COMPUTER, INC.

POM-2000 (NETT-2000)

Processor

80486SX/80487SX

Processor Speed

20MHz

Chip Set

None

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

64/256KB

BIOS

AMI/DTK

Dimensions

330mm x 306mm

I/O Options

32-bit external memory card slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Secondary fan power

J1

Speaker

J5

Power LED & keylock

J2

External battery

J9

Turbo LED

J3

32-bit external memory card

S1

Reset switch

J4

   

Note:External battery jumper (J9) may not be present on all boards.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Cache enabled

J6

Open

 

Cache disabled

J6

pins 1 & 2 closed

 

Cache enabled/disabled switchable from keyboard

J6

pins 2 & 3 closed

»

Monitor type select monochrome

SW1/4

Off

 

Monitor type select color

SW1/4

On

»

BIOS type select 27256

W3

pins 1 & 2 closed

 

BIOS type select 27512

W3

pins 2 & 3 closed

»

Video BIOS caching enabled

W6

Closed

 

Video BIOS caching disabled

W6

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

8MB

(4) 1M x 9

(4) 1M x 9

DRAM JUMPER/ SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

W4

W5

1MB

On

On

On

2 & 3

2 & 3

2MB

On

On

On

2 & 3

2 & 3

4MB

On

On

Off

1 & 2

1 & 2

8MB

On

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

W1

W2

64KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed