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





PW4/PW4T REV. 1.3

SILICON STAR INTERNATIONAL, INC.

PW4/PW4T REV. 1.3

Processor

80486SX/SL80486SX/CX486M7/AM486DX/80486DX/SL80486DX/CX486DX2/ AM486DX2/80486DX2/SL80486DX2/AM486DX4/80486DX4

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(internal)MHz

Chip Set

Unidentifed

Max. Onboard DRAM

192MB

Cache

128/256/512/1024KB

BIOS

Award

Dimensions

330mm 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

J1

Power LED & keylock

JW1

Green PC connector

JP47

Speaker

JW2

Green PC connector

JP48

Turbo LED

JW3

Green PC connector

JP49

Turbo switch

JW4

Green PC connector

JP50

Reset switch

JW5

Green PC connector

JP51

32-bit VESA local bus slots

SL1 - SL3

Green PC connector

JP52

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

Monitor type select color

JP5

Closed

 

Monitor type select monochrome

JP5

Open

Ľ

Factory configured - do not alter

JP6

Open

Ľ

Factory configured - do not alter

JP41

Open

Ľ

CMOS memory normal operation

JP67

pins 1 & 2 closed

 

CMOS memory clear

JP67

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

1MB

NONE

NONE

(1) 256K x 36

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

NONE

(1) 256K x 36

(1) 256K x 36

2MB

NONE

(1) 512K x 36

NONE

2MB

NONE

NONE

(1) 512K x 36

3MB

(4) 256K x 9

(1) 512K x 36

NONE

3MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

3MB

(4) 256K x 9

(1) 512K x 36

NONE

3MB

NONE

(1) 256K x 36

(1) 512K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

4MB

NONE

(1) 512K x 36

(1) 512K x 36

4MB

NONE

NONE

(1) 1M x 36

5MB

(4) 256K x 9

(1) 1M x 36

NONE

5MB

(4) 1M x 9

(1) 256K x 36

NONE

5MB

(4) 1M x 9

(1) 256K x 36

NONE

5MB

(4) 256K x 9

(1) 512K x 36

(1) 512K x 36

5MB

NONE

(1) 256K x 36

(1) 1M x 36

6MB

(4) 1M x 9

(1) 512K x 36

NONE

6MB

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

6MB

(4) 1M x 9

(1) 512K x 36

NONE

6MB

NONE

(1) 1M x 36

(1) 512K x 36

8MB

(4) 1M x 9

(1) 1M x 36

NONE

8MB

(4) 1M x 9

(1) 512K x 36

(1) 512K x 36

8MB

NONE

(1) 2M x 36

NONE

8MB

NONE

NONE

(1) 2M x 36

9MB

(4) 1M x 9

(1) 256K x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 2M x 36

NONE

11MB

(4) 256K x 9

(1) 512K x 36

(1) 2M x 36

12MB

(4) 1M x 9

(1) 2M x 36

NONE

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

12MB

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

12MB

(4) 1M x 9

(1) 2M x 36

NONE

12MB

NONE

(1) 1M x 36

(1) 2M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

16MB

NONE

(1) 2M x 36

(1) 2M x 36

16MB

NONE

NONE

(1) 4M x 36

17MB

(4) 256K x 9

(1) 4M x 36

NONE

17MB

(4) 4M x 9

(1) 256K x 36

NONE

17MB

(4) 256K x 9

(1) 2M x 36

(1) 2M x 36

17MB

NONE

(1) 256K x 36

(1) 4M x 36

18MB

(4) 4M x 9

(1) 512K x 36

NONE

18MB

(4) 4M x 9

(1) 256K x 36

(1) 256K x 36

18MB

(4) 256K x 9

(1) 256K x 36

(1) 4M x 36

18MB

(4) 4M x 9

(1) 512K x 36

NONE

18MB

NONE

(1) 4M x 36

(1) 512K x 36

20MB

(4) 1M x 9

(1) 4M x 36

NONE

20MB

(4) 4M x 9

(1) 1M x 36

NONE

20MB

(4) 1M x 9

(1) 2M x 36

(1) 2M x 36

20MB

(4) 4M x 9

(1) 512K x 36

(1) 512K x 36

20MB

NONE

(1) 1M x 36

(1) 4M x 36

21MB

(4) 4M x 9

(1) 256K x 36

(1) 1M x 36

21MB

(4) 1M x 9

(1) 256K x 36

(1) 4M x 36

21MB

(4) 256K x 9

(1) 1M x 36

(1) 4M x 36

24MB

(4) 4M x 9

(1) 2M x 36

NONE

24MB

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

24MB

(4) 1M x 9

(1) 1M x 36

(1) 4M x 36

24MB

(4) 4M x 9

(1) 2M x 36

NONE

24MB

NONE

(1) 4M x 36

(1) 2M x 36

32MB

(4) 4M x 9

(1) 4M x 36

NONE

32MB

(4) 4M x 9

(1) 2M x 36

(1) 2M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

(1) 8M x 36

NONE

32MB

NONE

NONE

(1) 8M x 36

33MB

(4) 256K x 9

(1) 8M x 36

NONE

33MB

(4) 4M x 9

(1) 256K x 36

(1) 4M x 36

33MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

33MB

(4) 256K x 9

(1) 8M x 36

NONE

33MB

NONE

(1) 256K x 36

(1) 8M x 36

34MB

NONE

(1) 512K x 36

(1) 8M x 36

35MB

(4) 256K x 9

(1) 512K x 36

(1) 8M x 36

36MB

(4) 1M x 9

(1) 8M x 36

NONE

36MB

(4) 4M x 9

(1) 1M x 36

(1) 4M x 36

36MB

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

36MB

(4) 1M x 9

(1) 8M x 36

NONE

36MB

NONE

(1) 1M x 36

(1) 8M x 36

38MB

(4) 1M x 9

(1) 512K x 36

(1) 8M x 36

40MB

NONE

(1) 2M x 36

(1) 8M x 36

41MB

(4) 256K x 9

(1) 2M x 36

(1) 8M x 36

44MB

(4) 1M x 9

(1) 2M x 36

(1) 8M x 36

48MB

(4) 4M x 9

(1) 8M x 36

NONE

48MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

48MB

NONE

(1) 4M x 36

(1) 8M x 36

56MB

(4) 4M x 9

(1) 2M x 36

(1) 8M x 36

64MB

(4) 16M x 9

NONE

NONE

64MB

NONE

(1) 16M x 36

NONE

64MB

NONE

(1) 8M x 36

(1) 8M x 36

64MB

NONE

NONE

(1) 16M x 36

65MB

(4) 256K x 9

(1) 16M x 36

NONE

65MB

(4) 16M x 9

(1) 256K x 36

NONE

65MB

(4) 16M x 9

(1) 256K x 36

NONE

65MB

(4) 256K x 9

(1) 8M x 36

(1) 8M x 36

65MB

NONE

(1) 256K x 36

(1) 16M x 36

66MB

(4) 16M x 9

(1) 512K x 36

NONE

66MB

(4) 16M x 9

(1) 256K x 36

(1) 256K x 36

66MB

(4) 256K x 9

(1) 256K x 36

(1) 16M x 36

66MB

(4) 16M x 9

(1) 512K x 36

NONE

66MB

NONE

(1) 16M x 36

(1) 512K x 36

68MB

(4) 1M x 9

(1) 16M x 36

NONE

68MB

(4) 16M x 9

(1) 1M x 36

NONE

68MB

(4) 1M x 9

(1) 8M x 36

(1) 8M x 36

68MB

(4) 16M x 9

(1) 512K x 36

(1) 512K x 36

68MB

NONE

(1) 1M x 36

(1) 16M x 36

69MB

(4) 16M x 9

(1) 256K x 36

(1) 1M x 36

69MB

(4) 1M x 9

(1) 256K x 36

(1) 16M x 36

69MB

(4) 256K x 9

(1) 1M x 36

(1) 16M x 36

72MB

(4) 16M x 9

(1) 2M x 36

NONE

72MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

72MB

(4) 1M x 9

(1) 1M x 36

(1) 16M x 36

72MB

(4) 16M x 9

(1) 2M x 36

NONE

72MB

NONE

(1) 16M x 36

(1) 2M x 36

74MB

(4) 16M x 9

(1) 512K x 36

(1) 2M x 36

80MB

(4) 4M x 9

(1) 16M x 36

NONE

80MB

(4) 16M x 9

(1) 4M x 36

NONE

80MB

(4) 16M x 9

(1) 2M x 36

(1) 2M x 36

81MB

(4) 16M x 9

(1) 256K x 36

(1) 4M x 36

81MB

(4) 4M x 9

(1) 256K x 36

(1) 16M x 36

81MB

(4) 256K x 9

(1) 4M x 36

(1) 16M x 36

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

84MB

(4) 16M x 9

(1) 1M x 36

(1) 4M x 36

84MB

(4) 4M x 9

(1) 1M x 36

(1) 16M x 36

84MB

(4) 1M x 9

(1) 4M x 36

(1) 16M x 36

96MB

(4) 16M x 9

(1) 8M x 36

NONE

96MB

(4) 4M x 9

(1) 4M x 36

(1) 16M x 36

96MB

NONE

(1) 16M x 36

(1) 8M x 36

128MB

(4) 16M x 9

(1) 16M x 36

NONE

128MB

(4) 16M x 9

(1) 8M x 36

(1) 8M x 36

128MB

NONE

(1) 16M x 36

(1) 16M x 36

129MB

(4) 16M x 9

(1) 256K x 36

(1) 16M x 36

129MB

(4) 256K x 9

(1) 16M x 36

(1) 16M x 36

132MB

(4) 16M x 9

(1) 1M x 36

(1) 16M x 36

132MB

(4) 1M x 9

(1) 16M x 36

(1) 16M x 36

144MB

(4) 16M x 9

(1) 4M x 36

(1) 16M x 36

144MB

(4) 4M x 9

(1) 16M x 36

(1) 16M x 36

192MB

(4) 16M x 9

(1) 16M x 36

(1) 16M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB

(4) 64K x 8

NONE

(1) 64K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 64K x 8

512KB

(4) 128K x 8

NONE

(1) 128K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP60

JP61

JP62

JPX3

128KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 9 - 16 closed

256KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 13 - 20 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 3 - 10 closed

512KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 - 8 closed

512KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 3 - 10 closed

1MB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 - 8 closed

CPU TYPE CONFIGURATION

Type

JP15

JP16

JP17

JP37

80486SX

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

SL80486SX

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

CX486M7

Open

pins 1 & 2 closed

pins 1 & 2 closed

Open

AM486DX

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

80486DX

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

SL80486DX

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

CX486DX2-50

Open

pins 2 & 3 closed

pins 2 & 3 closed

1 & 2

CX486DX2-66

Open

pins 1 & 2 closed

pins 1 & 2 closed

Open

CX486DX2-80

Open

pins 1 & 2 closed

pins 1 & 2 closed

Open

AM486DX2 (3.45v)

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

Open

AM486DX2

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

80486DX2

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

SL80486DX2

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

AM486DX4

Open

pins 1 & 2 closed

pins 1 & 2 closed

Open

80486DX4-75

Open

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

80486DX4-100

Open

pins 2 & 3 closed

pins 2 & 3 closed

Open

Note: DX4 CPU is only available on the PW4T mainboard.

CPU TYPE CONFIGURATION

Type

JP38

JP39

JP40

RN8

80486SX

Open

Open

Open

Installed

SL80486SX

Open

Open

Open

Installed

CX486M7

Open

Open

Open

Installed

AM486DX

Open

Open

Open

Installed

80486DX

Open

Open

Open

Installed

SL80486DX

Open

Open

Open

Installed

CX486DX2-50

Open

Open

Open

Not installed

CX486DX2-66

Open

1 & 2

Open

Not installed

CX486DX2-80

Open

Open

1 & 2

Not installed

AM486DX2 (3.45v)

1 & 2

Open

Open

Not installed

AM486DX2

Open

Open

Open

Installed

80486DX2

Open

Open

Open

Installed

SL80486DX2

Open

Open

Open

Installed

AM486DX4

1 & 2

Open

1 & 2

Not installed

80486DX4-75

Open

Open

Open

Not installed

80486DX4-100

1 & 2

Open

1 & 2

Not installed

Note: Pins designated should be in the closed position. DX4 CPU is only available on the PW4T mainboard.

CPU TYPE CONFIGURATION

Type

RN5

RN6

RN7

JP20

JP26

80486SX

Not installed

Installed

Not installed

Closed

1 & 2

SL80486SX

Not installed

Installed

Not installed

Closed

1 & 2

CX486M7

Installed

Not installed

Installed

Open

1 & 2

AM486DX

Not installed

Installed

Installed

Open

1 & 2

80486DX

Not installed

Installed

Installed

Open

1 & 2

SL80486DX

Not installed

Installed

Installed

Open

1 & 2

AM486DX2

Not installed

Installed

Installed

Open

1 & 2

80486DX2

Not installed

Installed

Installed

Open

1 & 2

SL80486DX2

Not installed

Installed

Installed

Open

1 & 2

AM486DX4

Not installed

Installed

Installed

Open

Open

80486DX4

Not installed

Installed

Installed

Open

Open

Note: Pins designated should be in the closed position. DX4 CPU is only available on the PW4T mainboard.

CPU TYPE CONFIGURATION (CONíT)

Type

JP42

JP65

JPX1

JPX2

80486SX

Open

Open

pins 5 - 12 closed

Open

SL80486SX

Closed

Open

pins 5 - 12 closed

Open

CX486M7

Closed

Closed

pins 1 - 8 closed

pins 1 - 8 closed

AM486DX

Open

Closed

pins 5 - 12 closed

Open

80486DX

Open

Closed

pins 5 - 12 closed

Open

SL80486DX

Closed

Closed

pins 5 - 12 closed

Open

AM486DX2

Open

Closed

pins 5 - 12 closed

Open

80486DX2

Open

Closed

pins 5 - 12 closed

Open

SL80486DX2

Closed

Closed

pins 5 - 12 closed

Open

AM486DX4

Closed

Closed

pins 5 - 12 closed

Open

80486DX4

Closed

Closed

pins 5 - 12 closed

Open

Note: DX4 CPU is only available on the PW4T mainboard.

CPU SPEED CONFIGURATION(U30 CLOCK GENERATOR)

Speed

JP27

JP28

JP29

20MHz

Open

Open

Closed

25MHz

Closed

Open

Closed

33MHz

Open

Closed

Closed

40MHz

Closed

Open

Open

50iMHz

Closed

Open

Closed

66iMHz

Open

Closed

Closed

75iMHz

Closed

Open

Closed

80iMHz

Closed

Open

Open

100iMHz

Open

Closed

Closed

CPU SPEED CONFIGURATION(U31 CLOCK GENERATOR)

Speed

JP27

JP28

JP29

20MHz

Open

Open

Open

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50iMHz

Open

Open

Closed

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

80iMHz

Open

Closed

Closed

100iMHz

Closed

Closed

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JP9

0 wait states

Open

1 wait state

Closed

BUS SPEED CONFIGURATION

CPU speed

JP10

<= 33MHz

Open

> 33MHz

Closed