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5XB5

SOYO COMPUTER CO., LTD.

5XB5

Processor

CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200/233MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector, ATX connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Speaker

J18

Floppy drive interface

CN1

Reset switch

J19

Parallel port

CN2

Turbo LED

J22

Serial port 2

CN3

IDE interface LED

J24

Serial port 1

CN4

CPU cooling fan

JP43

IDE interface 2

CN5

Wake on LAN connector

JP44

IDE interface 1

CN6

32-bit PCI slots

PC1 – PC4

PS/2 mouse port

CN7

Soft off power supply

PW2

IR connector

IR1

USB connector

USB

Power LED & keylock

J17

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Power supply select AT

JP1

Closed

 

Power supply select ATX

JP1

Open

»

CMOS memory normal operation

JP5

Pins 1 & 2 closed

 

CMOS memory clear

JP5

Pins 2 & 3 closed

»

Flash BIOS select SST, MXIC, WINBON, ATMEL

JP38

Pins 2 & 3 closed

 

Flash BIOS Intel

JP38

Pins 1 & 2 closed

CE test disabled

JP40

Closed

 

CE test enabled

JP40

Open

DIMM/SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

None

(1) 1M x 64

None

None

8MB

(2) 1M x 36

None

None

None

16MB

None

(1) 2M x 64

None

None

16MB

(2) 2M x 36

None

None

None

16MB

None

(1) 1M x 64

(1) 1M x 64

None

16MB

(2) 1M x 36

(1) 1M x 64

None

None

24MB

None

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

24MB

(2) 1M x 36

(1) 1M x 64

(1) 1M x 64

None

32MB

None

(1) 4M x 64

None

None

32MB

(2) 4M x 36

None

None

None

32MB

None

(1) 2M x 64

(1) 2M x 64

None

32MB

(2) 1M x 36

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

40MB

(2) 1M x 36

(1) 2M x 64

(1) 2M x 64

None

40MB

(2) 1M x 36

None

(1) 4M x 64

None

48MB

None

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

64MB

None

(1) 8M x 64

None

None

DIMM/SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

64MB

(2) 8M x 36

None

None

None

64MB

None

(1) 4M x 64

(1) 4M x 64

None

72MB

(2) 1M x 36

None

(1) 8M x 64

None

128MB

(2) 16M x 36

None

None

None

256MB

(2) 8M x 36

(1) 8M x 64

(1) 8M x 64

None

Note: Board accepts EDO memory.

DIMM VOLTAGE CONFIGURATION

Voltage

JP37A

JP37B

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

TAG

512KB

(2) 64K x 32

(1) 32K x 8

CPU SPEED SELECTION (CX 6X86/6X 86L)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

150MHz

60MHz

2x

On

Off

On

Off

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

On

Off

Off

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

166MHz

60MHz

2.5x

On

On

On

Off

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

200MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

On

Off

Off

233MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

75MHz

2.5x

On

On

Off

On

Off

Off

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

75MHz

50MHz

1.5x

Off

Off

On

On

On

Off

90MHz

60MHz

1.5x

Off

Off

On

Off

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

1.5x

Off

Off

On

Off

Off

Off

133MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

150MHz

60MHz

2.5x

On

On

On

Off

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

75MHz

50MHz

1.5x

Off

Off

On

On

On

Off

90MHz

60MHz

1.5x

Off

Off

On

Off

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

On

Off

On

Off

Off

Off

133MHz

66MHz

2x

On

Off

Off

Off

Off

Off

150MHz

60MHz

2.5x

On

On

On

Off

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

180MHz

60MHz

3x

Off

On

On

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP30

 

3.3v

Pins 1 & 2, 9 & 10 closed

»

3.52v

Pins 1 & 2, 11 & 12 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

JP30

 

2.1v

Pins 5 & 6 closed

»

2.8v

Pins 1 & 2, 11 & 12 closed

 

2.9v

Pins 1 & 2, 5 & 6 closed

 

3.2v

Pins 1 & 2, 7 & 8 closed

MISCELLANEOUS TECHNICAL NOTE

If board has problems detecting voltage on older version non Intel CPUs, remove the jumper from JP9.