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PEM-2000 (FAST ET20)

DTK COMPUTER, INC.

PEM-2000 (FAST ET20)

Processor

80386DX

Processor Speed

20MHz

Chip Set

VLSI

Max. Onboard DRAM

1MB

Cache

None

BIOS

DTK

Dimensions

355.6mm x 304.8mm

I/O Options

Parallel port, serial ports (2), 32-bit external memory card slots (2)

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port (COM1)

J10

Reset switch

W1

Serial port (COM2)

J11

External battery

W6

Parallel port

J12

Speaker

W7

32-bit external memory card

S1

Power LED & keylock

W11

32-bit external memory card

S2

Turbo LED

W12

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

 

DRAM (32-bit) speed select 1 wait state

W2

Open

 

DRAM (32-bit) speed select 2 wait state

W2

Closed

 

DRAM (16-bit) speed select 1 wait state

W3

pins 1 & 2 closed

 

DRAM (16-bit) speed select 2 wait state

W3

pins 2 & 3 closed

 

DRAM (8-bit) speed select 4 wait state

W4

pins 1 & 2 closed

 

DRAM (8-bit) speed select 5 wait state

W4

pins 2 & 3 closed

 

Monitor type select monochrome

W8

pins 1 & 2 closed

 

Monitor type select color

W8

pins 2 & 3 closed

 

CPU speed select fast

W10

Open

 

CPU speed select slow

W10

pins 1 & 2 closed

 

CPU speed select switchable from keyboard

W10

pins 2 & 3 closed

Serial port enabled

SW1/1

Open

 

Serial port disabled

SW1/1

Closed

Serial port enabled

SW1/2

Open

 

Serial port disabled

SW1/2

Closed

LPT enabled

SW1/3

Open

 

LPT disabled

SW1/3

Closed

Parallel port select LPT1

SW1/4

Open

 

Parallel port select LPT2

SW1/4

Closed

Serial port (J10) select COM1/IRQ4

SW1/5

Closed

 

Serial port (J10) select COM1/IRQ3

SW1/6

Closed

Serial port (J11) select COM2/IRQ3

SW1/8

Closed

 

Serial port (J11) select COM2/IRQ4

SW1/7

Closed

Parallel port interrupt select IRQ7

SW1/9

Closed

Parallel port interrupt select IRQ7

SW1/10

Closed

DRAM CONFIGURATION

Size

Bank 0

1MB

(36) 41256