DTK COMPUTER, INC.

PKM-3363Y (VER. 1.00)

Processor

80486SX/80487SX/80486DX/P23T

Processor Speed

16/20/25/33MHz

Chip Set

Symphony

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI/DTK

Dimensions

330mm x 222mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Serial port 2

J28

Turbo LED

J2

Floppy drive interface

J35

Turbo switch

J3

IDE interface

J36

Power LED & keylock

J5

IDE interface LED

J37

VGA feature connector

J23

Parallel port

J47

VGA port

J24

PS/2 mouse port

J48

Serial port 1

J25

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Cache write hit wait state select 0 wait states

J8

Closed

 

Cache write hit wait state select 1 wait state

J8

Open

»

On board VGA wait state select 0 wait states

J27

Closed

 

On board VGA wait state select 1 wait state

J27

Open

»

VGA and system BIOS combined

J29

Closed

 

VGA and system BIOS not combined

J29

Open

»

Parallel port IRQ select IRQ7

J32

pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

J32

pins 1 & 2 closed

»

Monitor type select monochrome

J33

Closed

 

Monitor type select color

J33

Open

 

Floppy drive interface enabled

J46

pins 1 & 2 closed

 

Floppy drive interface disabled

J46

pins 2 & 3 closed

»

Cache enabled

J50

Closed

 

Cache disabled

J50

Open

»

VGA KHz select 31.5KHz

SW1/5

Off

 

VGA KHz select 35KHz

SW1/5

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J7

J10

J11

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

J9

J16

J17

80486SX

Open

pins 2 & 3 closed

Open

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

Closed

Note: An 80478SX or P23T can be installed at CPU1.

CPU SPEED CONFIGURATION

Speed

J18

J19

J21

J51

16MHz

Closed

Closed

pins 2 & 3 closed

Open

20MHz

Closed

Open

pins 2 & 3 closed

Open

25MHz

Open

Open

pins 2 & 3 closed

Open

33MHz

Open

Closed

pins 2 & 3 closed

Open

IDE CONFIGURATION

Setting

J52

J53

Enabled

Closed

Closed

Disabled

Open

Open

PARALLEL PORT CONFIGURATION

LPT

J39

J40

LPT1

pins 2 & 3 closed

pins 1 & 2 closed

LPT2

pins 1 & 2 closed

pins 1 & 2 closed

LPT3

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT CONFIGURATION

Port 1

Port 2

J41

J42

J43

COM1

COM2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

COM1

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

COM2

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

COM2

COM1

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

COM2

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

COM1

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT IRQ CONFIGURATION

IRQ

J30

J31

IRQ3

Closed

Open

IRQ4

Open

Closed

ON BOARD VGA CONFIGURATION

Setting

J15

J26

Enabled

Open

pins 1 & 2 closed

Disabled

Closed

pins 2 & 3 closed

VGA REFRESH CONFIGURATION (800 X 600)

Setting

SW1/3

SW1/4

»

50Hz

Off

Off

 

56Hz

On

On

 

60Hz

Off

On

 

72Hz

On

Off

VGA REFRESH CONFIGURATION (1024 X 728)

Setting

SW1/1

SW1/2

»

Interlaced

Off

Off

 

60Hz

On

Off

 

70Hz

Off

On

 

Interlaced

On

On

VRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(4) 256K x 16

NONE

1MB

(4) 256K x 16

(4) 256K x 16

Note: Bank 0 is factory installed and is not configurable.

VRAM SWITCH CONFIGURATION

Size

SW1/6

512KB

On

1MB

Off

Note: Bank 0 is factory installed and is not configurable.