DTK COMPUTER, INC.

PKM-0062S (VER. 1.00)

Processor

80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

SIS

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

Unidentified

Dimensions

330mm x 215mm

I/O Options

32-bit VESA local bus slot, floppy drive interface, game port, 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

Power LED & keylock

J1

VGA port

J10

IDE interface LED

J2

Parallel port

J11

Turbo LED

J3

Serial port 1

J12

Turbo switch

J4

Serial port 2

J13

Reset switch

J5

PS/2 mouse port

J14

IDE interface

J6

External battery

J17

Floppy drive interface

J7

Riser slot

SL1

VGA feature connector

J8

32-bit VESA local bus slot

SL2

Game interface

J9

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Fast A20 enabled

JP18

pins 1 & 2 closed

 

Keyboard A20 enabled

JP18

pins 2 & 3 closed

»

VESA card select any card installed

JP19

Closed

 

VESA card select special card installed

JP19

Open

»

VESA IRQ9 disabled

JP20

Open

 

VESA IRQ9 enabled

JP20

Closed

»

On board VGA enabled

JP23

Closed

 

On board VGA disabled

JP23

Open

»

Parallel port IRQ select IRQ7

JP31

pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

JP31

pins 2 & 3 closed

»

Game interface enabled

JP32

Closed

 

Game interface disabled

JP32

Open

»

Battery type select external

JP33

pins 1 & 2 closed

 

Battery type select internal

JP33

pins 2 & 3 closed

»

Monitor type select color

JP34

Closed

 

Monitor type select monochrome

JP34

Open

 

CPU type select PGA

JP35

Closed

 

CPU type select PQFP

JP35

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

7MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

9MB

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

37MB

(1) 256K x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U9)

TAG (U10)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K or (1) 32K x 8

(1) 16K or (1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

JP5

JP6

JP7

64KB

2 & 3

Open

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

128KB

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

256KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP15

JP16

JP17

80486SX

Open

pins 2 & 3 closed

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX2

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

Pentium Overdrive

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP12

JP13

JP14

20MHz

Open

Closed

Closed

25MHz

Closed

Closed

Open

33MHz

Closed

Open

Closed

40MHz

Open

Closed

Open

50iMHz

Closed

Closed

Open

50MHz

Open

Open

Closed

66iMHz

Closed

Open

Closed

VL BUS SPEED CONFIGURATION

» í Setting

JP8

»

<= 33MHz

pins 1 & 2 closed

»

> 33MHz

pins 2 & 3 closed

VL BUS WAIT STATE CONFIGURATION

» Setting

JP9

»

0 wait states

pins 1 & 2 closed

»

1 wait state

pins 2 & 3 closed

VESA SLOT CONFIGURATION

» Setting

JP10

JP11

»

1 master/ 1 slave slot

pins 1 & 2 closed

pins 1 & 2 closed

»

2 master slots

pins 2 & 3 closed

pins 2 & 3 closed

FLOPPY DRIVE CONFIGURATION

Setting

JP27

JP28

Enabled

pins 1 & 2 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

IDE CONFIGURATION

Setting

JP21

JP22

Enabled

Closed

Closed

Disabled

Open

Open

PARALLEL PORT CONFIGURATION

» LPT

JP29

JP30

»

LPT1

pins 1 & 2 closed

pins 1 & 2 closed

»

LPT2

pins 2 & 3 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

JP24

JP25

JP26

»

COM 1

COM 2

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

»

COM 1

Disabled

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

»

COM 2

COM 1

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

»

Disabled

COM 1

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

»

Disabled

COM 2

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

»

COM 2

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

»

Disabled

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

VRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(4) 256K x 4

NONE

1MB

(4) 256K x 4

(4) 256K x 4