HwMuseum | Index

SOYO COMPUTER CO., LTD.

SY-5STM

Device Type

Mainboard

Processor

CX 6X86/CX 686MX/CX MII/AM K5/AM K6/Pentium/Pentium MMX

Processor Speed

90/100/120/133/150/166/180/200/225/233/240/266/300MHz

Chip Set

SIS 5598

Video Chip Set

Unidentified

Maximum Onboard Memory

256MB (SDRAM supported) Unified Memory Architecture (UMA)

Cache

Unidentified

BIOS

Award

Dimensions

244mm x 190mm

I/O Options

32-bit PCI slots (2), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, IR connector, USB connectors (2), ATX power connector, line in, line out, microphone in, audio in – CD-ROMs (2), wake on LAN connector

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Parallel port

CN7

Reset switch

C1

USB connector 1

CN8

Soft off power supply

C2

USB connector 2

CN9

Turbo LED

C3

PS/2 mouse port

CN10

IDE interface LED

C4

IDE interface 2

CN11

Power LED & keylock

C5

IDE interface 1

CN12

Speaker

C6

Floppy drive interface

CN13

CPU fan power

C7

Serial port 2

CN14

Game/MIDI port

CN1

IR connector

IR1

Microphone in

CN2

Audio in – CD-ROM

JP1

Line in

CN3

Audio in – CD-ROM

JP2

Line out

CN4

Wake on LAN connector

JP44

VGA port

CN5

32-bit PCI slots

PC1 – PC2

Serial port 1

CN6

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J2

Unidentified

»

Factory configured - do not alter

J4

Unidentified

»

Factory configured - do not alter

J5

Unidentified

»

CMOS memory normal operation

JP5

Pins 1 & 2 closed

 

CMOS memory clear

JP5

Pins 2 & 3 closed

»

Factory configured - do not alter

JP22

Unidentified

DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

150MHz

60MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

200MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

150MHz

60MHz

2x

Open

Open

Closed

166MHz

66MHz

2x

Open

Open

Closed

200MHz

66MHz

2x

Closed

Open

Closed

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

166MHz

60MHz

2.5x

2 & 3

2 & 3

1 & 2

1 & 2

166MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

200MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

1 & 2

200MHz

75MHz

2x

1 & 2

2 & 3

1 & 2

1 & 2

233MHz

75MHz

2.5x

1 & 2

2 & 3

1 & 2

1 & 2

266MHz

83MHz

2.5x

1 & 2

1 & 2

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

166MHz

60MHz

2.5x

Closed

Open

Closed

166MHz

66MHz

2x

Open

Open

Closed

200MHz

66MHz

2.5x

Closed

Open

Closed

200MHz

75MHz

2x

Open

Open

Closed

233MHz

75MHz

2.5x

Closed

Open

Closed

266MHz

83MHz

2.5x

Closed

Open

Closed

CPU SPEED SELECTION (CX MII)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

300MHz

66MHz

3.5x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX MII, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

300MHz

66MHz

3.5x

Open

Open

Open

CPU SPEED SELECTION (IDT C6)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

180MHz

60MHz

3x

2 & 3

2 & 3

1 & 2

1 & 2

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

225MHz

75MHz

3x

1 & 2

2 & 3

1 & 2

1 & 2

240MHz

60MHz

4x

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IDT C6, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

180MHz

60MHz

3x

Closed

Open

Open

200MHz

66MHz

3x

Closed

Open

Open

225MHz

75MHz

3x

Closed

Open

Open

240MHz

60MHz

4x

Open

Closed

Closed

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

90MHz

60MHz

1.5x

2 & 3

2 & 3

1 & 2

1 & 2

100MHz

66MHz

1.5x

2 & 3

1 & 2

2 & 3

1 & 2

120MHz

60MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

133MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

1 & 2

1 & 2

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

90MHz

60MHz

1.5x

Open

Open

Open

100MHz

66MHz

1.5x

Open

Open

Open

120MHz

60MHz

2x

Open

Open

Closed

133MHz

66MHz

2x

Open

Open

Closed

150MHz

60MHz

2.5x

Closed

Open

Closed

166MHz

66MHz

2.5x

Closed

Open

Closed

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

1 & 2

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

2 & 3

1 & 2

2 & 3

1 & 2

266MHz

66MHz

4x

2 & 3

1 & 2

2 & 3

1 & 2

300MHz

66MHz

4.5x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

166MHz

66MHz

2.5x

Closed

Open

Closed

200MHz

66MHz

3x

Closed

Open

Open

233MHz

66MHz

3.5x

Open

Open

Open

266MHz

66MHz

4x

Open

Closed

Closed

300MHz

66MHz

4.5x

Closed

Closed

Closed

CPU SPEED SELECTION (AM K6-2)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

266MHz

66MHz

4x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6-2, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

266MHz

66MHz

4x

Open

Closed

Closed

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

90MHz

60MHz

1.5x

2 & 3

2 & 3

1 & 2

1 & 2

100MHz

66MHz

1.5x

2 & 3

1 & 2

2 & 3

1 & 2

120MHz

60MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

133MHz

66MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

1 & 2

1 & 2

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

1 & 2

180MHz

60MHz

3x

2 & 3

2 & 3

1 & 2

1 & 2

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

90MHz

60MHz

1.5x

Open

Open

Open

100MHz

66MHz

1.5x

Open

Open

Open

120MHz

60MHz

2x

Open

Open

Closed

133MHz

66MHz

2x

Open

Open

Closed

150MHz

60MHz

2.5x

Closed

Open

Closed

166MHz

66MHz

2.5x

Closed

Open

Closed

180MHz

60MHz

3x

Closed

Open

Open

200MHz

66MHz

3x

Closed

Open

Open

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP12

JP13

180MHz

60MHz

3x

2 & 3

2 & 3

1 & 2

1 & 2

200MHz

66MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX, CON’T)

CPU speed

Clock speed

Multiplier

JP14

JP15

JP16

180MHz

60MHz

3x

Closed

Open

Open

200MHz

66MHz

3x

Closed

Open

Open

233MHz

66MHz

3.5x

Open

Open

Open

CPU VOLTAGE SELECTION

Voltage

JP17

»

Single

Open

 

Dual

Pins 1 & 2, 3 & 4 closed

CPU VOLTAGE SELECTION

Voltage

JP30/pins

1 & 2

JP30/pins

3 & 4

JP30/pins

5 & 6

JP30/pins

7 & 8

JP30/pins

9 & 10

2.2v

Open

Open

Open

Closed

Open

2.8v

Open

Closed

Open

Open

Open

2.9v

Open

Closed

Open

Open

Closed

3.2v

Open

Closed

Closed

Open

Open

3.52v

Open

Closed

Closed

Closed

Closed