DTK COMPUTER, INC.

PPM-1661D(S)/PPM-2061D(S)/PPM-2561D(S)

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

DTK

Video Chip Set

None

Maximum Onboard Memory

8MB

Maximum Video Memory

None

Cache

None

BIOS

AMI/DTK

Dimensions

333mm x 222mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), game interface

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port

CN1

Reset switch

J6

Serial port

CN2

External battery

J7

Parallel port

CN3

Game interface

J13

PS/2 mouse port

CN4

IDE interface LED

J15

Power LED & keylock

J1

IDE interface

J16

Turbo switch

J3

Floppy drive interface

J17

Turbo LED

J5

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

NPU not installed

J8

Closed

 

NPU installed

J8

Open

»

Floppy drive interface enabled

J19 pins 3 & 4

Closed

 

Floppy drive interface disabled

J19 pins 3 & 4

Open

»

IDE interface disabled

J19 pins 13 & 14

Open

 

IDE interface enabled

J19 pins 13 & 14

Closed

 

Game port enabled

J19 pins 15 & 16

Closed

 

Game port disabled

J19 pins 15 & 16

Open

»

BIOS type select 27256

W7

Pins 1 & 2 closed

 

BIOS type select 27128

W7

Pins 2 & 3 closed

»

NPU clock input select 387CLK = 386CLK

W10

Open

 

NPU clock input select 387CLK = 386CLK/3

W10

Closed

»

Battery type select external

W11

Pins 1 & 2 closed

 

Battery type select internal

W11

Pins 2 & 3 closed

»

Monitor type select monochrome

W12

Pins 1 & 2 closed

 

Monitor type select color

W12

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

None

None

None

1MB

(2) 256K x 9

(2) 256K x 9

None

None

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

None

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

None

None

None

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

None

4MB

(2) 1M x 9

(2) 1M x 9

None

None

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

None

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

PARALLEL PORT ADDRESS/IRQ SELECTION

Setting

IRQ

J19 pins 5 & 6

J19 pins 7 & 8

»

LPT1

IRQ7

Open

Closed

 

LPT2

IRQ5

Closed

Open

 

Disabled

None

Open

Open

SERIAL PORT SELECTION

Port 1

Port 2

IRQ3

IRQ4

J19 pins 1&2

J19 pins 9&10

J19 pins 11&12

»

COM1

COM2

COM2

COM1

Closed

Closed

Closed

 

COM3

COM4

COM4

COM3

Open

Closed

Closed

 

COM1

Disabled

Available

COM1

Closed

Closed

Open

 

Disabled

COM2

COM2

Available

Closed

Open

Closed

 

COM3

Disabled

Available

COM3

Open

Closed

Open

 

Disabled

COM4

COM4

Available

Open

Open

Closed