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PTM-1000 (V1)

DTK COMPUTER, INC.

PTM-1000 (V1)

Processor

80286

Processor Speed

10MHz

Chip Set

None

Max. Onboard DRAM

1MB

Cache

None

BIOS

DTK

Dimensions

333mm x 222mm

I/O Options

None

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J17

Turbo switch

J23

Power LED & keylock

J19

External battery

J24

Turbo LED

J21

Reset switch

SW2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

J2

pins 1 & 2 closed

 

Monitor type select monochrome

J2

pins 2 & 3 closed

DRAM speed select 0 wait states

J25

Open

 

DRAM speed select 1 wait state

J25

Closed

Base memory size select 512KB

J26

pins 1 & 2 closed

 

Base memory size select 640KB

J26

pins 2 & 3 closed

Note:Base memory size select jumper (J26) is only functional when 1MB of DRAM is installed.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(18) 41256

NONE

640KB

(18) 41256

(18) 4164

1MB

(18) 41256

(18) 41256

DRAM JUMPER CONFIGURATION

Size

J18

512KB

pins 2 & 3 closed

640KB

pins 1 & 2 closed

1MB

pins 2 & 3 closed

BIOS CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

27128

On

On

Off

Off

27256

Off

Off

On

On