DTK COMPUTER, INC.

PKM-0039S/FEAT-39

Processor

CX486M6/80486SX/AMD486SL/CX486M7/80486DX/80486DX2/80486DX4

Processor Speed

20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Turbo LED

J35

Green PC LED

J25

Power LED & keylock

J36

Reset switch

J33

Speaker

J37

Turbo switch

J34

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

J2

pins 2 & 3 closed

 

CMOS memory clear

J2

pins 3 & 4 closed

 

Battery type select external

J2

Closed

»

Factory configured - do not alter

J11

N/A

»

Factory configured - do not alter

J13

N/A

»

Factory configured - do not alter

J16

N/A

»

Factory configured - do not alter

J24

N/A

»

AMD CPU clock speed select 2x

J40

pins 1 & 2 closed

 

AMD CPU clock speed select 3x

J40

pins 2 & 3 closed

Note: The location of J40 is unidentified.

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

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

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

6MB

(1) 512K x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 1M x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M 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

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 512K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 4M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

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

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB

(4) 64K x 8

NONE

(1) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 64K x 8

CACHE JUMPER CONFIGURATION

Size

J6

J7

J8

J9

J10

128KB

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2, 3 & 4

256KB

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3, 4 & 5

256KB

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2, 3 & 4

512KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3, 4 & 5

512KB

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2, 3 & 4

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3, 4 & 5

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

J14

J15

J17

J18

CX486M6

Installed

Not installeld

Not installeld

Installed

80486SX

Not installeld

Installed

Not installeld

Installed

AMD486SL

Not installeld

Installed

Installed

Not installeld

CX486M7

Installed

Not installeld

Installed

Not installeld

80486DX

Not installeld

Installed

Installed

Not installeld

80486DX2

Not installeld

Installed

Installed

Not installeld

80486DX4

Not installeld

Installed

Installed

Not installeld

CPU TYPE CONFIGURATION (CON’T)

Type

J19

J22

J23

J28

J29

CX486M6

2 & 3

1 & 2

2 & 3

2 & 3

Closed

80486SX

2 & 3

2 & 3

1 & 2

2 & 3

Open

AMD486SL

1 & 2

1 & 2

2 & 3

1 & 2

Closed

CX486M7

2 & 3

1 & 2

2 & 3

2 & 3

Closed

80486DX

2 & 3

2 & 3

1 & 2

2 & 3

Closed

80486DX2

2 & 3

2 & 3

1 & 2

2 & 3

Closed

80486DX4

2 & 3

2 & 3

1 & 2

2 & 3

Closed

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION (MX8315)

Speed

J27

20MHz

Open

25MHz

pins 5 & 6 closed

33MHz

pins 1 & 2, 3 & 4, 5 & 6 closed

40MHz

pins 3 & 4, 5 & 6 closed

50iMHz

pins 5 & 6 closed

50MHz

pins 1 & 2 closed

66iMHz

pins 1 & 2, 3 & 4, 5 & 6 closed

75iMHz

pins 5 & 6 closed

100iMHz

pins 1 & 2, 3 & 4, 5 & 6 closed

CPU SPEED CONFIGURATION (KDN-1401/1402C)

Speed

J27

20MHz

pins 1 & 2, 3 & 4 closed

25MHz

pins 1 & 2, 5 & 6 closed

33MHz

pins 3 & 4, 5 & 6 closed

40MHz

pins 1 & 2 closed

50iMHz

pins 1 & 2, 5 & 6 closed

50MHz

pins 3 & 4 closed

66iMHz

pins 3 & 4, 5 & 6 closed

75iMHz

pins 1 & 2, 5 & 6 closed

100iMHz

pins 3 & 4, 5 & 6 closed

CPU VOLTAGE CONFIGURATION

Voltage

J21

3.3v

pins 5 & 6, 7 & 8 closed

5v

pins 1 & 2, 3 & 4 closed

VESA WAIT STATE CONFIGURATION

Wait states

J31

0 wait states

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

J30

<= 33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed