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PEM-2530

DTK COMPUTER, INC.

PEM-2530

Processor

80386DX

Processor Speed

25MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

None

BIOS

DTK/Phoenix

Dimensions

333mm x 222mm

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 fast

W4

Open

 

CPU speed select slow

W4

pins 1 & 2 closed

 

CPU speed 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

BIOS type select 27256

W8

pins 1 & 2 closed

 

BIOS type select 27512

W8

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 512K x 9

(2) 512K x 9

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(1) 1M x 36

(1) 1M x 36

Note:The 1M x 36 SIPPs are a proprietary DTK design that use two SIPP sockets.

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

8MB

Off

Off

Off

On

pins 1 & 2 closed