SOYO COMPUTER CO., LTD.

SY-5SSM

Device Type

Mainboard

Processor

CX 6X86/CX 686MX/CX MII/AM K5/AM K6/AM K6-2/IDT/Pentium/

Pentium MMX

Processor Speed

100/133/166/200/225/233/266/300/333/350/366/380/375/

400/450MHz

Chip Set

SIS 530

Video Chip Set

Unidentified

Maximum Onboard Memory

768MB (SDRAM supported) (Unified Memory Architecture)

Maximum Audio Memory

ESS

Cache

1024KB

BIOS

Award

Dimensions

244mm x 220mm

I/O Options

32-bit PCI slots (4), floppy drive interface, game/MIDI port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), 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

Line out

CN4

IDE interface LED

C1

VGA port

CN5

ACPI LED

C2

Serial port 1

CN6

Soft off power supply

C3

Parallel port

CN7

Reset switch

C4

USB connector 1

CN8

Speaker

C5

USB connector 2

CN9

Power LED & keylock

C6

PS/2 mouse port

CN10

CPU fan power

C7

Floppy drive interface

CN11

Chassis fan power

C8

IDE interface 2

CN12

Audio in - CD-ROM

CD1

IDE interface 1

CN13

Audio in - CD-ROM

CD2

Serial port 2

CN14

Game/MIDI port

CN1

IR connector

IR1

Microphone in

CN2

Wake on LAN connector

JP44

Line in

CN3

32-bit PCI slots

PC1 - PC4


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP5

Pins 1 & 2 closed

 

CMOS memory clear

JP5

Pins 2 & 3 closed

 

On board sound enabled

JP9

Closed

 

On board sound disabled

JP9

Open


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 2M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

24MB

(1) 2M x 64

(1) 1M x 64

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

40MB

(1) 4M x 64

(1) 1M x 64

None

40MB

(1) 2M x 64

(1) 2M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

56MB

(1) 4M x 64

(1) 2M x 64

(1) 1M x 64

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

72MB

(1) 8M x 64

(1) 1M x 64

None


DIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

72MB

(1) 4M x 64

(1) 4M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

None

80MB

(1) 4M x 64

(1) 4M x 64

(1) 2M x 64

88MB

(1) 8M x 64

(1) 2M x 64

(1) 1M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

104MB

(1) 8M x 64

(1) 4M x 64

(1) 1M x 64

112MB

(1) 8M x 64

(1) 4M x 64

(1) 2M x 64

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

136MB

(1) 8M x 64

(1) 8M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

None

144MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

152MB

(1) 16M x 64

(1) 2M x 64

(1) 1M x 64

176MB

(1) 16M x 64

(1) 4M x 64

(1) 2M x 64

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

256MB

(1) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

264MB

(1) 32M x 64

(1) 1M x 64

None

272MB

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

272MB

(1) 32M x 64

(1) 2M x 64

None

288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

None

320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

320MB

(1) 32M x 64

(1) 8M x 64

None

384MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 32M x 64

(1) 16M x 64

None

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

Note: Board accepts SDRAM memory.


CACHE CONFIGURATION

Size

Bank 0

1MB

(2) 128K x 32


CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

166MHz

66MHz

2x

Open

Open

Closed

200MHz

75MHz

2x

Open

Open

Closed


CPU SPEED SELECTION (CX 6X86, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

166MHz

66MHz

2x

Open

Closed

Closed

Closed

200MHz

75MHz

2x

Open

Closed

Closed

Open


CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

166MHz

66MHz

2x

Closed

Open

Open

200MHz

66MHz

2.5x

Closed

Closed

Open

200MHz

75MHz

2x

Closed

Open

Open

233MHz

75MHz

2.5x

Closed

Closed

Open

266MHz

83MHz

2.5x

Closed

Closed

Open


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

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

166MHz

66MHz

2x

Open

Closed

Closed

Closed

200MHz

66MHz

2.5x

Open

Closed

Closed

Closed

200MHz

75MHz

2x

Open

Closed

Closed

Open

233MHz

75MHz

2.5x

Open

Closed

Closed

Open

266MHz

83MHz

2.5x

Open

Closed

Open

Closed


CPU SPEED SELECTION (CX MII)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

300MHz

66MHz

3.5x

Open

Open

Open

300MHz

75MHz

3x

Open

Closed

Open

333MHz

66MHz

4x

Open

Open

Open

333MHz

75MHz

3.5x

Open

Open

Open

333MHz

83MHz

3x

Open

Closed

Open

333MHz

100MHz

3x

Open

Closed

Open

350MHz

100MHz

3x

Open

Closed

Open


CPU SPEED SELECTION (CX MII, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

300MHz

66MHz

3.5x

Open

Closed

Closed

Closed

300MHz

75MHz

3x

Open

Closed

Closed

Open

333MHz

66MHz

4x

Open

Closed

Closed

Closed

333MHz

75MHz

3.5x

Open

Closed

Closed

Open

333MHz

83MHz

3x

Open

Closed

Open

Closed

333MHz

100MHz

3x

Open

Open

Closed

Closed

350MHz

100MHz

3x

Open

Open

Closed

Closed


CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

100MHz

66MHz

1.5x

Open

Open

Open

133MHz

66MHz

2x

Closed

Open

Open

166MHz

66MHz

2.5x

Closed

Closed

Open


CPU SPEED SELECTION (AM K5, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

100MHz

66MHz

1.5x

Open

Closed

Closed

Closed

133MHz

66MHz

2x

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed


CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

166MHz

66MHz

2.5x

Closed

Closed

Open

200MHz

66MHz

3x

Open

Closed

Open

233MHz

66MHz

3.5x

Open

Open

Open

266MHz

66MHz

4x

Open

Open

Open

300MHz

66MHz

4.5x

Closed

Closed

Closed


CPU SPEED SELECTION (AM K6, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Open

Closed

Closed

Closed

233MHz

66MHz

3.5x

Open

Closed

Closed

Closed

266MHz

66MHz

4x

Open

Closed

Closed

Closed

300MHz

66MHz

4.5x

Open

Closed

Closed

Closed


CPU SPEED SELECTION (AM K6-2)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

266MHz

66MHz

4x

Open

Open

Open

300MHz

66MHz

4.5x

Closed

Closed

Closed

300MHz

100MHz

3x

Open

Closed

Open

333MHz

66MHz

5x

Open

Closed

Closed

333MHz

95MHz

3.5x

Open

Open

Open

350MHz

100MHz

3.5x

Open

Open

Open

366MHz

66MHz

5.5x

Open

Open

Closed

380MHz

95MHz

4x

Open

Open

Open

400MHz

100MHz

4x

Open

Open

Open

450MHz

100MHz

4.5x

Closed

Closed

Closed


CPU SPEED SELECTION (AM K6-2, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

266MHz

66MHz

4x

Open

Closed

Closed

Closed

300MHz

66MHz

4.5x

Open

Closed

Closed

Closed

300MHz

100MHz

3x

Open

Open

Closed

Closed

333MHz

66MHz

5x

Open

Closed

Closed

Closed

333MHz

95MHz

3.5x

Open

Open

Closed

Open

350MHz

100MHz

3.5x

Open

Open

Closed

Closed

366MHz

66MHz

5.5x

Open

Closed

Closed

Closed

380MHz

95MHz

4x

Open

Open

Closed

Open

400MHz

100MHz

4x

Open

Open

Closed

Closed

450MHz

100MHz

4.5x

Open

Open

Closed

Closed


CPU SPEED SELECTION (IDT WINCHIP)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

200MHz

66MHz

3x

Open

Closed

Open

225MHz

75MHz

3x

Open

Closed

Open


CPU SPEED SELECTION (IDT WINCHIP, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

200MHz

66MHz

3x

Open

Closed

Closed

Closed

225MHz

75MHz

3x

Open

Closed

Closed

Open


CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

100MHz

66MHz

1.5x

Open

Open

Open

133MHz

66MHz

2x

Closed

Open

Open

166MHz

66MHz

2.5x

Closed

Closed

Open

200MHz

66MHz

3x

Open

Closed

Open


CPU SPEED SELECTION (INTEL, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

100MHz

66MHz

1.5x

Open

Closed

Closed

Closed

133MHz

66MHz

2x

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Open

Closed

Closed

Closed


CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

SW1/

pins 1 & 2

SW1/

pins 3 & 4

SW1/

pins 5 & 6

166MHz

66MHz

2.5x

Closed

Closed

Open

200MHz

66MHz

3x

Open

Closed

Open

233MHz

66MHz

3.5x

Open

Open

Open


CPU SPEED SELECTION (INTEL MMX, CON'T)

CPU speed

Clock speed

Multiplier

JP32/

pins 1 & 2

JP32/

pins 3 & 4

JP32/

pins 5 & 6

JP32/

pins 7 & 8

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Open

Closed

Closed

Closed

233MHz

66MHz

3.5x

Open

Closed

Closed

Closed


CPU TYPE SELECTION

Type

J1

AMD

Open

Cyrix

Closed

IDT

Open

Intel

Open


CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP30/

pins 1 & 2

JP30/

pins 3 & 4

JP30/

pins 5 & 6

JP30/

pins 7 & 8

JP30/

pins 9 & 10

3.3v

Open

Closed

Closed

Open

Closed

3.5v

Open

Closed

Closed

Closed

Closed


CPU VOLTAGE SELECTION (DUAL)

Voltage

JP30/

pins 1 & 2

JP30/

pins 3 & 4

JP30/

pins 5 & 6

JP30/

pins 7 & 8

JP30/

pins 9 & 10

2.0v

Closed

Closed

Closed

Closed

Open

2.1v

Open

Open

Open

Open

Closed

2.2v

Open

Open

Open

Closed

Open

2.3v

Open

Open

Open

Closed

Closed

2.4v

Open

Open

Closed

Open

Open

2.5v

Open

Open

Closed

Open

Closed

2.6v

Open

Open

Closed

Closed

Open

2.7v

Open

Open

Closed

Closed

Closed

2.8v

Open

Closed

Open

Open

Open

2.9v

Open

Closed

Open

Open

Closed

3.0v

Open

Closed

Open

Closed

Open

3.1v

Open

Closed

Open

Closed

Closed

3.2v

Open

Closed

Closed

Open

Open