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PKM-0037S

DTK COMPUTER, INC.

PKM-0037S

Processor

CX486M6/80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

CN1

Reset switch

CN5

Speaker

CN2

External battery

CN6

Turbo switch

CN3

32-bit VESA local bus slots

SL1 - SL2

Turbo LED

CN4

   

Note: The location of CN1 - CN6 are unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

A20 Source type select chip supported

JP17

pins 1 & 2 closed

 

A20 Source type select 8042 supported

JP17

pins 2 & 3 closed

Ľ

Monitor type select color

JP18

Open

 

Monitor type select monochrome

JP18

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

2MB

(4) 512K x 9

NONE

4MB

(4) 512K x 9

(4) 512K x 9

4MB

(4) 1M x 9

NONE

6MB

(4) 512K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

8MB

(4) 2M x 9

NONE

16MB

(4) 2M x 9

(4) 2M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG 1

TAG 2

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

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

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

Note: The location of TAG 2 is unidentified.

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CACHE JUMPER CONFIGURATION (CONíT)

Size

JP5

JP6

JP7

64KB

pins 2 & 3 closed

Open

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP13

JP14

JP15

CX486M6

Open

pins 2 & 3 closed

Open

80486SX(PQFP)

Open

pins 2 & 3 closed

Open

80486SX(PGA)

Open

pins 2 & 3 closed

Open

80487SX

pins 2 & 3 closed

pins 1 & 2 closed

Closed

80486DX

pins 1 & 2 closed

pins 1 & 2 closed

Closed

80486DX2

pins 1 & 2 closed

pins 1 & 2 closed

Closed

Pentium Overdrive

pins 2 & 3 closed

pins 1 & 2 closed

Closed

CPU TYPE CONFIGURATION

Type

JP16

JP27

CX486M6

Closed

pins 2 & 3 closed

80486SX(PQFP)

Open

pins 1 & 2 closed

80486SX(PGA)

Closed

pins 2 & 3 closed

80487SX

Closed

pins 1 & 2 closed

80486DX

Closed

pins 1 & 2 closed

80486DX2

Closed

pins 1 & 2 closed

Pentium Overdrive

Closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP20

JP21

JP22

20MHz

Open

Open

Open

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50iMHz

Open

Open

Closed

50MHz

Closed

Open

Open

66iMHz

Closed

Closed

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JP9

JP11

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

JP8

JP10

<= 33MHz

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed

pins 2 & 3 closed