...because we can't all be on the bleeding edge...





PEM-2500

DTK COMPUTER, INC.

PEM-2500

Processor

80386DX

Processor Speed

25MHz

Chip Set

VLSI

Max. Onboard DRAM

16MB (8MB on external memory card)

Cache

64/256KB

BIOS

AMI/Award/DTK/Phoenix

Dimensions

351mm x 306mm

I/O Options

32-bit external memory card slot

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

J4

Reset switch

J2

Turbo switch

J5

Speaker

J3

32-bit external memory card

S15

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Expansion bus (8-bit) speed select 7 wait states

W11

pins 1 & 2 closed

 

Expansion bus (8-bit) speed select 5 wait states

W11

pins 2 & 3 closed

Expansion bus (16-bit) speed select 3 wait states

W12

pins 1 & 2 closed

 

Expansion bus (16-bit) speed select 1 wait states

W12

pins 2 & 3 closed

DMA & I/O speed select 6/12MHz respectively

W13

pins 1 & 2 closed

 

DMA & I/O speed select 3/6MHz respectively

W13

pins 2 & 3 closed

NPU disabled

W14

Closed

 

NPU enabled

W14

Open

Monitor type select monochrome

SW1/6

Off

 

Monitor type select color

SW1/6

On

DRAM CONFIGURATION

Size

Bank 0

P-0

Bank 1

P-1

Bank 2

Bank 3

1MB

(8) 44256

(4) 41256

NONE

NONE

NONE

NONE

1MB

NONE

NONE

NONE

NONE

NONE

(4) 256K x 9

2MB

(8) 44256

(4) 41256

(8) 44256

(4) 41256

NONE

NONE

2MB

(8) 44256

(4) 41256

NONE

NONE

NONE

(4) 256K x 9

2MB

NONE

NONE

(8) 44256

(4) 41256

NONE

(4) 256K x 9

4MB

(8) 411000

(4) 411000

(8) 411000

(4) 411000

(12) 411000

NONE

4MB

NONE

NONE

NONE

NONE

NONE

(4) 1M x 9

5MB

(8) 44256

(4) 41256

NONE

NONE

NONE

(4) 1M x 9

8MB

(8) 411000

(4) 411000

(8) 411000

(4) 411000

(12) 411000

(4) 1M x 9

DRAM JUMPER CONFIGURATION

Size

W1

W2

W3

W4

W5

W6

W7

W8

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

4MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

4MB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

5MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

8MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

Note:Pins designated should be in the closed position.

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

1MB

On

On

On

On

On

1MB

On

On

On

On

On

2MB

On

On

On

On

On

4MB

On

On

Off

On

Off

4MB

On

On

Off

On

Off

5MB

Off

On

On

Off

On

8MB

Off

On

Off

Off

Off

CACHE CONFIGURATION

Size

Bank 0

TAG

64KB

(8) 16K x 4

(2) 16K x 4

256KB

(8) 64K x 4

(2) 64K x 4

CACHE JUMPER CONFIGURATION

Size

W9

W10

64KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed