DTK COMPUTER, INC.

PTM-1260V

Processor

80286

Processor Speed

12MHz

Chip Set

VLSI

Max. Onboard DRAM

4MB

Cache

None

BIOS

DTK

Dimensions

329mm x 218mm

I/O Options

Floppy drive interface, parallel port, serial ports (2), video port

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

J3

9-pin analog video port

J26

Turbo LED

J4

Serial port 2

J27

Power LED & keylock

J5

Serial port 1

J28

Speaker

J7

Parallel port

J29

Floppy drive interface

J25

External battery

J30

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

BIOS type select 32KB

J1

Open

 

BIOS type select 64KB

J1

Closed

»

Factory configured - do not alter

J2

N/A

»

Factory configured - do not alter

J4

N/A

»

Factory configured - do not alter

J7

N/A

»

Zero wait state enabled

J8

Closed

 

Zero wait state disabled

J8

Open

»

Factory configured - do not alter

J12

N/A

»

Floppy drive interface enabled

J15

Closed

 

Floppy drive interface disabled

J15

Open

»

Factory configured - do not alter

J16

N/A

»

Monochrome display primary

J22

Open

 

CGA display primary

J22

Closed

»

Factory configured - do not alter

J23

N/A

»

Factory configured - do not alter

J24

N/A

DISPLAY CONFIGURATION

Setting

J10

J11

Monochrome display adapter enabled

Closed

Closed

Monochrome display adapter disabled

Open

Open

PRIMARY SERIAL PORT CONFIGURATION

Port 1 (J28)

J18

J21

COM1

Closed

Closed

COM3

Open

Open

Disabled

Open

Closed

Disabled

Closed

Open

SECONDARY SERIAL PORT CONFIGURATION

Port 2 (J27)

J19

J20

COM2

Closed

Closed

COM4

Open

Open

Disabled

Open

Closed

Disabled

Closed

Open

PARALLEL PORT CONFIGURATION

LPT

J15

J17

J9

LPT1

Closed

Closed

Pins 1 & 2 closed

LPT2

Open

Open

Pins 2 & 3 closed

Disabled

Open

Closed

N/A

Disabled

Closed

Open

N/A

DRAM CONFIGURATION

Size

Bank 0

Parity 0

Bank 1

Parity 1

Bank 2

Bank 3

512KB

(4) 44256

(2) 41256

NONE

NONE

NONE

NONE

512KB

NONE

NONE

NONE

NONE

(2) 256K x 9

NONE

1MB

(4) 44256

(2) 41256

(4) 44256

(2) 41256

NONE

NONE

1MB

NONE

NONE

NONE

NONE

(2) 256K x 9

(2) 256K x 9

2MB

NONE

NONE

NONE

NONE

(2) 1M x 9

NONE

4MB

NONE

NONE

NONE

NONE

(2) 1M x 9

(2) 1M x 9

DRAM JUMPER CONFIGURATION

Size

J6

J13

J14

512KB

Closed

Closed

Closed

512KB

Closed

Closed

Open

1MB

Closed

Open

Closed

1MB

Closed

Open

Open

2MB

Closed

Open

Open

4MB

Open

Closed

Closed