DTK COMPUTER, INC.

GRAFIKA 3EI (EDITION 1.1)

Processor

80486SX/ODP486SX/80487SX/80486DX/80486DX2

Processor Speed

25/33/40/50(internal)/50/66(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

64/128/256KB

BIOS

DTK

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Speaker

J4

Turbo switch

J2

Power LED & keylock

J5

Turbo LED

J3

External battery

J12

USER CONFIGURABLE SETTINGS

Function

Label

Position

ยป

Monitor type select monochrome

J11

Open

 

Monitor type select color

J11

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

None

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

None

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

Unidentified

128KB

(4) 32K x 8

None

Unidentified

256KB

(4) 32K x 8

(4) 32K x 8

Unidentified

Note: The size of the TAG chips are unidentified.

CACHE JUMPER CONFIGURATION

Size

J10

64KB

Pins 9 & 10 closed

128KB

Pins 1 & 2, 5 & 6, 11 & 12 closed

256KB

Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed

CPU SPEED SELECTION

Speed

J6

J7

J8

25MHz

Pins 2 & 3 closed

Open

Open

33MHz

Pins 1 & 2 closed

Closed

Open

40MHz

Pins 1 & 2 closed

Open

Closed

50iMHz

Pins 2 & 3 closed

Open

Open

50MHz

Pins 1 & 2 closed

Closed

Closed

66iMHz

Pins 1 & 2 closed

Closed

Open

CPU TYPE SELECTION

Type

J9

80486SX

Pins 9 & 10 closed

ODP486SX

Pins 3 & 4, 5 & 6, 7 & 8 closed

80487SX

Pins 3 & 4, 5 & 6, 7 & 8 closed

80486DX

Pins 1 & 2, 3 & 4, 5 & 6 closed

80486DX2

Pins 1 & 2, 3 & 4, 5 & 6 closed