DTK COMPUTER, INC.

PEM-2035

Processor

80386DX

Processor Speed

20MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

None

BIOS

DTK

Dimensions

333mm x 222.5mm

I/O Options

32-bit external memory card slot (PEI-306)

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

32-bit external memory card

S1

Reset switch

J2

Turbo switch

W4

Speaker

J3

Turbo LED

W5

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

DRAM (16-bit) speed select 2 wait state

W2

pins 2 & 3 closed

 

DRAM (16-bit) speed select 1 wait state

W2

pins 1 & 2 closed

»

DRAM (8-bit) speed select 5 wait state

W3

pins 2 & 3 closed

 

DRAM (8-bit) speed select 4 wait state

W3

pins 1 & 2 closed

»

CPU speed select 20MHz

W4

Open

 

CPU speed select 8MHz

W4

pins 1 & 2 closed

 

CPU speed select switchable from keyboard

W4

pins 2 & 3 closed

»

Monitor type select monochrome

W6

pins 1 & 2 closed

 

Monitor type select color

W6

pins 2 & 3 closed

»

NPU disabled

W7

pins 2 & 3 closed

 

NPU enabled

W7

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

1MB

(4) 256K x 9

2MB

(4) 512K x 9

4MB

(4) 1M x 9

Note:The 512K x 9 SIPP module is a proprietary DTK design.

DRAM JUMPER/SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

W1

1MB

On

On

On

On

pins 2 & 3 closed

2MB

On

Off

On

On

pins 2 & 3 closed

4MB

Off

On

On

Off

pins 1 & 2 closed