SOYO COMPUTER CO., LTD.

5V A0/A2/A5

Processor

CX M1/AM K5/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

330mm 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), cache slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

Power LED & keylock

J17

Serial port 1

CN2

Speaker

J18

Floppy drive interface

CN3

Reset switch

J19

Parallel port

CN4

Green PC connector

J23

IDE interface 2

CN5

IDE interface LED

J24

IDE interface 1

CN6

32-bit PCI slots

PC1 - PC4

PS/2 mouse port

CN7

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP1

Unidentified

»

CMOS memory normal operation

JP5

Open

 

CMOS memory clear

JP5

Closed

»

Factory configured - do not alter

JP22

Unidentified

»

Factory configured - do not alter

JP35

Unidentified

»

PS/2 mouse disabled

JPS2

Open

 

PS/2 mouse enabled

JPS2

Closed

DRAM/DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

4MB

(2) 512K x 36

None

None

8MB

(2) 1M x 36

None

None

8MB

(2) 512K x 36

(2) 512K x 36

None

12MB

(2) 1M x 36

(2) 512K x 36

None

12MB

None

(2) 512K x 36

(1) 1M x 64

16MB

(2) 2M x 36

None

None

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

None

(2) 1M x 36

(1) 1M x 64

20MB

(2) 2M x 36

(2) 512K x 36

None

20MB

None

(2) 512K x 36

(1) 2M x 64

24MB

None

(2) 1M x 36

(1) 2M x 64

24MB

None

(2) 2M x 36

(1) 1M x 64

24MB

(2) 1M x 36

(2) 2M x 36

None

32MB

None

(2) 2M x 36

(1) 2M x 64

32MB

(2) 4M x 36

None

None

32MB

(2) 2M x 36

(2) 2M x 36

None

36MB

None

(2) 512K x 36

(1) 4M x 64

36MB

(2) 4M x 36

(2) 512K x 36

None

40MB

None

(2) 1M x 36

(1) 4M x 64

40MB

None

(2) 4M x 36

(1) 1M x 64

40MB

(2) 1M x 36

(2) 4M x 36

None

48MB

None

(2) 4M x 36

(1) 2M x 64

DRAM/DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

48MB

None

(2) 2M x 36

(1) 4M x 64

48MB

(2) 4M x 36

(2) 2M x 36

None

64MB

None

(2) 4M x 36

(1) 4M x 64

64MB

(2) 8M x 36

None

None

64MB

(2) 4M x 36

(2) 4M x 36

None

68MB

None

(2) 512K x 36

(1) 8M x 64

68MB

(2) 8M x 36

(2) 512K x 36

None

72MB

None

(2) 1M x 36

(1) 8M x 64

72MB

None

(2) 8M x 36

(1) 1M x 64

72MB

(2) 1M x 36

(2) 8M x 36

None

80MB

None

(2) 8M x 36

(1) 2M x 64

80MB

None

(2) 2M x 36

(1) 8M x 64

80MB

(2) 8M x 36

(2) 2M x 36

None

96MB

None

(2) 8M x 36

(1) 4M x 64

96MB

None

(2) 4M x 36

(1) 8M x 64

96MB

(2) 4M x 36

(2) 8M x 36

None

128MB

None

(2) 8M x 36

(1) 8M x 64

128MB

(2) 8M x 36

(2) 8M x 36

None

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable.

DIMM VOLTAGE CONFIGURATION

Voltage

JP37

JP38

»

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

 

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB

None

256KB module installed

(1) 16K x 8

256KB

(2) 32K x 32

None installed

(1) 16K x 8

512KB

(2) 32K x 32

256KB module installed

(1) 16K x 8

CACHE JUMPER CONFIGURATION

Size

JP20

256KB

Open

512KB

Closed

Note: JP20 may be labeled as JP7 on some versions.

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

JP14

120MHz

50MHz

2x

Closed

Closed

Closed

Open

133MHz

55MHz

2x

Open

Open

Closed

Open

150MHz

60MHz

2x

Open

Closed

Closed

Open

166MHz

66MHz

2x

Closed

Open

Closed

Open

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

JP14

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

90MHz

55MHz

1.5x

Open

Open

Open

Open

100MHz

55MHz

1.5x

Open

Open

Open

Open

90MHz

60MHz

1.5x

Open

Closed

Open

Open

100MHz

66MHz

1.5x

Closed

Open

Open

Open

120MHz

60MHz

1.5x

Open

Closed

Open

Open

133MHz

66MHz

1.5x

Closed

Open

Open

Open

150MHz

60MHz

2x

Open

Closed

Closed

Open

166MHz

66MHz

2x

Closed

Open

Closed

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

JP14

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

90MHz

60MHz

1.5x

Open

Closed

Open

Open

100MHz

50MHz

2x

Closed

Closed

Closed

Open

100MHz

66MHz

1.5x

Closed

Open

Open

Open

120MHz

60MHz

2x

Open

Closed

Closed

Open

133MHz

66MHz

2x

Closed

Open

Closed

Open

150MHz

60MHz

2.5x

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

180MHz

60MHz

3x

Open

Closed

Open

Closed

200MHz

66MHz

3x

Closed

Open

Open

Closed

CPU VOLTAGE SELECTION

Voltage

JP30

JP31

»

3.3v (Standard or VR)

Closed

Open

 

3.45v - 3.6v (VRE)

Open

Closed