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





SY-30 A/B/C

SOYO COMPUTER CO., LTD.

SY-30 A/B/C

Processor

CX486S/AM486SX/80486SX/SL80486SX/CX486DX/AM486DX/ 80486DX/SL80486DX/AM486DX2/80486DX2/SL80486DX2/ 80486DX4/P24D/P24T

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256/512/1024KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (2), 32-bit PCI slots (4), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J17

Green PC connector (SYNCEN)

JP6

Speaker

J18

Green PC connector (HSYNCH)

JP7

Reset switch

J19

Green PC connector(VSYNCH)

JP8

External battery

J20

Green PC LED

JP18

Turbo switch

J21

Green PC connector

JP42

Turbo LED

J22

32-bit PCI slots

PC1 – PC4

Green PC connector (GPORT)

JP2

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Monitor type select monochrome

JP3

Open

 

Monitor type select EGA/VGA

JP3

Closed

»

CMOS memory normal operation

JP5

Pins 1 & 2 closed

 

CMOS memory clear

JP5

Pins 2 & 3 closed

SIMM 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) 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

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

None

80MB

(4) 4M x 9

(4) 16M x 9

128MB

(4) 16M x 9

(4) 16M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB (B)

(4) 64K x 8

None

(1) 32K x 8

512KB (A)

(4) 128K x 8

None

(1) 32K x 8

512KB (B)

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP13

JP14

JP33

256KB (A)

Pins 1 & 2 closed

Any setting

Pins 1 & 2 closed

256KB (B)

Pins 2 & 3 closed

Any setting

Pins 1 & 2 closed

512KB (A)

Pins 2 & 3 closed

Any setting

Pins 2 & 3 closed

512KB (B)

Any setting

Pins 1 & 2 closed

Pins 2 & 3 closed

1MB

Any setting

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

JP34

JP35

JP36

JP39

25MHz

Closed

Open

Open

Closed

33MHz

Closed

Closed

Closed

Open

40MHz

Closed

Closed

Open

Open

50iMHz

Closed

Open

Open

Closed

50MHz

Open

Open

Closed

Open

66iMHz

Closed

Closed

Closed

Open

75iMHz

Closed

Open

Open

Closed

100iMHz

Closed

Closed

Closed

Open

CPU TYPE SELECTION

Type

JP31

JP32

JP40

JP41

JP45

CX486S

4 & 5

5 & 6

2 & 3

2 & 3

2 & 3

AM486SX

Open

Open

Open

2 & 3

1 & 2

80486SX

Open

Open

Open

2 & 3

1 & 2

SL80486SX

3 & 4, 5 & 6

Open

1 & 2

2 & 3

2 & 3

CX486DX

4 & 5

5 & 6

2 & 3

1 & 2, 3 & 4

2 & 3

AM486DX

Open

Open

Open

1 & 2, 3 & 4

1 & 2

80486DX

Open

Open

Open

1 & 2, 3 & 4

1 & 2

SL80486DX

3 & 4, 5 & 6

Open

1 & 2

1 & 2, 3 & 4

2 & 3

AM486DX2

Open

Open

Open

1 & 2, 3 & 4

1 & 2

80486DX2

Open

Open

Open

1 & 2, 3 & 4

1 & 2

SL80486DX2

3 & 4, 5 & 6

Open

1 & 2

1 & 2, 3 & 4

2 & 3

80486DX4

3 & 4, 5 & 6

Open

1 & 2

1 & 2, 3 & 4

2 & 3

P24D

3 & 4, 5 & 6

2 & 3, 4 & 5

1 & 2, 3 & 4

1 & 2, 3 & 4

2 & 3

P24T

5 & 6

3 & 4

1 & 2

1 & 2, 3 & 4

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP46

JP52

JP53

JP54

JP63

CX486S

1 & 3, 2 & 4

Open

Closed

1 & 2

Closed

AM486SX

1 & 3, 2 & 4

Open

Open

Open

Open

80486SX

1 & 3, 2 & 4

Open

Open

Open

Open

SL80486SX

1 & 3, 2 & 4

Open

Open

Open

Open

CX486DX

1 & 3, 2 & 4

2 & 3

Open

1 & 2

Closed

AM486DX

1 & 3, 2 & 4

2 & 3

Open

Open

Open

80486DX

1 & 3, 2 & 4

2 & 3

Open

Open

Open

SL80486DX

1 & 3, 2 & 4

2 & 3

Open

Open

Open

AM486DX2

1 & 3, 2 & 4

2 & 3

Open

Open

Open

80486DX2

1 & 3, 2 & 4

2 & 3

Open

Open

Open

SL80486DX2

1 & 3, 2 & 4

2 & 3

Open

Open

Open

80486DX4

3 & 5, 4 & 6

2 & 3

Open

Open

Open

P24D

1 & 3, 2 & 4

2 & 3

Open

2 & 3

Open

P24T

1 & 3, 2 & 4

1 & 2

Open

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU MULTIPLIER SELECTION (80486DX4 ONLY)

Multiplier

JP64

2x

Pins 2 & 3 closed

2.5x

Pins 4 & 5 closed

3x

Pins 1 & 2 closed

WAIT STATE SELECTION

Setting

JP38

 

0

Open

»

1

Closed

VL-BUS SPEED SELECTION

Setting

JP37

 

<= 33MHz

Open

»

>33 MHz

Closed

PCI BUS CLOCK SELECTION

Setting

JP20

JP27

ASYNCH

Closed

Pins 2 & 3 closed

SYNCH

Open

Pins 1 & 2 closed

PCI TRIGGER SELECTION

Setting

JP9 (PC3)

JP10 (PC4)

JP11 (PC1)

JP12 (PC2)

Level

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Edge

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

PCI INTERRUPT SELECTION (IRQ14 FOR PCI1)

Setting

JP10B

JP10L

Level

Pins 1 & 2 closed

N/A

Edge

N/A

Closed

PCI INTERRUPT SELECTION (PCI 2, 3, 4)

IRQ

Setting

JP10A

JP10B

JP10C

JP10D

JP10E

3

Level

Open

Open

Open

Open

Open

3

Edge

Open

Open

Open

Open

Open

4

Level

Open

Open

Open

Open

Open

4

Edge

Open

Open

Open

Open

Open

5

Level

Open

Open

Open

Open

Open

5

Edge

Open

Open

Open

Open

Open

6

Level

Open

Open

Open

Open

Open

6

Edge

Open

Open

Open

Open

Open

7

Level

Open

Open

Open

Open

Open

7

Edge

Open

Open

Open

Open

Open

9

Level

Open

Open

Open

Open

Open

9

Edge

Open

Open

Open

Open

Open

10

Level

Open

Open

Open

Open

1 & 2

10

Edge

Open

Open

Open

Open

2 & 3

11

Level

Open

Open

Open

1 & 2

Open

11

Edge

Open

Open

Open

2 & 3

Open

12

Level

Open

Open

1 & 2

Open

Open

12

Edge

Open

Open

2 & 3

Open

Open

14

Level

Open

1 & 2

Open

Open

Open

14

Edge

Open

2 & 3

Open

Open

Open

15

Level

1 & 2

Open

Open

Open

Open

15

Edge

2 & 3

Open

Open

Open

Open

Note: Pins designated should be in the closed position.

PCI INTERRUPT SELECTION (PCI 2, 3, 4)

IRQ

Setting

JP10F

JP10G

JP10H

JP10I

JP10J

JP10K

3

Level

Open

Open

Open

Open

Open

1 & 2

3

Edge

Open

Open

Open

Open

Open

2 & 3

4

Level

Open

Open

Open

Open

1 & 2

Open

4

Edge

Open

Open

Open

Open

2 & 3

Open

5

Level

Open

Open

Open

1 & 2

Open

Open

5

Edge

Open

Open

Open

2 & 3

Open

Open

6

Level

Open

Open

1 & 2

Open

Open

Open

6

Edge

Open

Open

2 & 3

Open

Open

Open

7

Level

Open

1 & 2

Open

Open

Open

Open

7

Edge

Open

2 & 3

Open

Open

Open

Open

9

Level

1 & 2

Open

Open

Open

Open

Open

9

Edge

2 & 3

Open

Open

Open

Open

Open

10

Level

Open

Open

Open

Open

Open

Open

10

Edge

Open

Open

Open

Open

Open

Open

11

Level

Open

Open

Open

Open

Open

Open

11

Edge

Open

Open

Open

Open

Open

Open

12

Level

Open

Open

Open

Open

Open

Open

12

Edge

Open

Open

Open

Open

Open

Open

14

Level

Open

Open

Open

Open

Open

Open

14

Edge

Open

Open

Open

Open

Open

Open

15

Level

Open

Open

Open

Open

Open

Open

15

Edge

Open

Open

Open

Open

Open

Open

Note: Pins designated should be in the closed position.