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

»

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