DTK COMPUTER, INC.

PKM-3300 (VER. 1.00)

Processor

80486DX

Processor Speed

25/33MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

64/256KB

BIOS

AMI/DTK

Dimensions

351mm x 296mm

I/O Options

32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Secondary fan power

J1

Reset switch

J4

Power LED & keylock

J2

Speaker

J5

Turbo LED

J3

32-bit external memory card

S1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

CPU speed select fast

J6

Open

 

CPU speed select slow

J6

pins 1 & 2 closed

 

CPU speed 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 shadowing enabled

W6

Closed

 

Video BIOS shadowing 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 CONFIGURATION

Size

W4

W5

1MB

pins 2 & 3 closed

pins 2 & 3 closed

2MB

pins 2 & 3 closed

pins 2 & 3 closed

4MB

pins 1 & 2 closed

pins 1 & 2 closed

8MB

pins 1 & 2 closed

pins 1 & 2 closed

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

1MB

On

On

On

2MB

On

On

On

4MB

On

On

Off

8MB

On

Off

Off

CACHE CONFIGURATION

Size

Bank 0

Tag

Dirty Bit

64KB

(8) 16K x 4

(2) 16K x 4

(1) 16K x 1

256KB

(8) 64K x 4

(2) 64K x 4

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

W1

W2

64KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed