DTK COMPUTER, INC.

PEM-2030B

Processor

80386SX

Processor Speed

20MHz

Chip Set

Unidentified

Max. Onboard DRAM

16MB (on external memory card)

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

External memory card (PEM-3303)

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port

CN1

Power LED & keylock

J4

Serial port

CN2

Speaker

J5

Parallel port

CN3

Reset switch

J6

External battery

J1

External memory card

SL1

Turbo LED

J3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Parallel port enabled

SW2 pins 5 & 6

Open

 

Parallel port disabled

SW2 pins 5 & 6

Closed

 

Parallel port LPT select LPT1

SW2 pins 7 & 8

Open

 

Parallel port LPT select LPT2

SW2 pins 7 & 8

Closed

 

Parallel port IRQ select IRQ7

SW3

pins 7 & 8 closed

 

Parallel port IRQ select IRQ5

SW3

pins 5 & 6 closed

 

8-bit memory I/O wait state select 4 wait states

W1

pins 1 & 2 closed

 

8-bit memory I/O wait state select 5 wait states

W1

pins 2 & 3 closed

 

16-bit memory I/O wait state select 1 wait states

W2

pins 1 & 2 closed

 

16-bit memory I/O wait state select 2 wait states

W2

pins 2 & 3 closed

 

CPU speed control 8MHz

W3

pins 1 & 2 closed

 

CPU speed control keyboard control

W3

pins 2 & 3 closed

 

CPU speed control 20MHz

W3

Open

 

Monitor type select monochrome

W4

pins 1 & 2 closed

 

Monitor type select color

W4

pins 2 & 3 closed

 

NPU disabled

W5

pins 1 & 2 closed

 

NPU enabled

W5

pins 2 & 3 closed

 

BIOS type select 27128

W6

pins 1 & 2 closed

 

BIOS type select 27256

W6

pins 2 & 3 closed

Note: The location of W6 is unidentified.

DRAM CONFIGURATION

Note: DRAM is located on the external memory card.

DRAM JUMPER CONFIGURATION

Size

SW1

2MB

pins 1 & 2, 3 & 4, 5 & 6 closed

4MB

pins 3 & 4, 5 & 6 closed

8MB

pins 5 & 6 closed

16MB

Open

SERIAL PORT CONFIGURATION

Setting

SW2

SW3

COM1

pins 1 & 2 closed

pins 1 & 2 closed

COM2

pins 2 & 3 closed

pins 2 & 3 closed