DTK COMPUTER, INC.

PTM-1200V2

Processor

80286 (exact location unidentified)

Processor Speed

12MHz

Chip Set

Unidentified

Max. Onboard DRAM

1MB

Cache

None

BIOS

IBM/DTK

Dimensions

355mm x 305mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Turbo LED

J4

Power LED & keylock

J2

Turbo switch

J5

Reset switch

J3

External battery

J8

Note: The location of pin 1 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Switch

Position

»

Factory configured - do not alter

SW1/5

N/A

 

Monitor type select color

SW1/6

On

 

Monitor type select monochrome

SW1/6

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(9) 41256

(9) 41256

NONE

NONE

640KB

(9) 41256

(9) 41256

(9) 4164

(9) 4164

1MB

(9) 41256

(9) 41256

(9) 41256

(9) 41256

DRAM SWITCH CONFIGURATION

Base memory

Extended

Total memory

SW1/2

SW1/3

640KB

NONE

640KB

On

On

640KB

NONE

640KB

Off

On

640KB

384KB

1MB

On

Off

512KB

512KB

1MB

Off

Off

DRAM WAIT STATE CONFIGURATION

Wait state

SW1/1

SW1/4

0

Off

Off

1

On

On

BIOS CONFIGURATION

Size

SW1/7

SW1/8

SW1/9

SW1/10

27128

On

On

Off

Off

27256

Off

Off

On

On