SOYO COMPUTER CO., LTD.

SY-5SM2/M5

Processor

CX M1/Pentium

Processor Speed

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

Chip Set

SIS

Maximum Onboard Memory

256MB

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 220mm

I/O Options

32-bit PCI slots (3), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), VGA feature connector, VGA interface, cache slot, audio connector, wave table connector, VRM connector

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

Serial port 2

CN1

Speaker

J18

Serial port 1

CN2

Reset switch

J19

Floppy drive interface

CN3

External battery

J20

Parallel port

CN4

Turbo LED

J22

IDE interface 2

CN5

Green PC connector

JP25

IDE interface 1

CN6

VRM connector

JP46

VGA interface

CN7

Wave table connector

JP52

VGA feature connector

CN8

IDE interface LED 1

LED1

Audio connector

CN9

IDE interface LED 2

LED2

PS/2 mouse interface

J1

32-bit PCI slots

PC1 - PC3

Power LED & keylock

J17

Cache slot

SL1

Note: CN7, CN8 and JP46 are optional and may not be present.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Factory configured - do not alter

J21

Unidentified

»

Monitor type select color

JP3

Closed

 

Monitor type select monochrome

JP3

Open

»

CMOS memory normal operation

JP5

Pins 1 & 2 closed

 

CMOS memory clear

JP5

Pins 2 & 3 closed

»

Factory configured - do not alter

JP28

Unidentified

»

Factory configured - do not alter

JP29

Unidentified

»

Factory configured - do not alter

JP30

Pins 3 & 5, 4 & 6 closed

»

Factory configured - do not alter

JP31

Unidentified

»

Factory configured - do not alter

JP32

Pins 2 & 3 closed

»

Pipeline mode enabled

JP33

Pins 2 & 3 closed

 

Pipeline mode disabled

JP33

Pins 1 & 2 closed

»

Cache type select write back

JP34

Pins 1 & 2 closed

 

Cache type select write through

JP34

Pins 2 & 3 closed

»

Factory configured - do not alter

JP36

Closed

»

Factory configured - do not alter

JP37

Closed

»

Factory configured - do not alter

JP47

Unidentified

»

Factory configured - do not alter

JP48

Pins 1 & 2 closed

»

Factory configured - do not alter

JP50

Closed

»

Factory configured - do not alter

JP51

Closed

»

Factory configured - do not alter

JP53

Closed

»

PS/2 mouse disabled

JPS2

Open

 

PS/2 mouse enabled

JPS2

Closed

DRAM

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

None

(1) 512K x 32

None

None

2MB

None

None

None

(1) 512K x 32

2MB

(1) 256K x 36

(1) 256K x 36

None

None

4MB

None

(1) 1M x 32

None

None

4MB

None

None

None

(1) 1M x 32

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

None

None

6MB

(1) 512K x 36

(1) 512K x 36

(1) 256K x 36

(1) 256K x 36

6MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

8MB

None

(1) 2M x 32

None

None

8MB

None

None

None

(1) 2M x 32

8MB

(1) 1M x 36

(1) 1M x 36

None

None

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

16MB

None

(1) 4M x 32

None

None

16MB

None

None

None

(1) 4M x 32

16MB

(1) 2M x 36

(1) 2M x 36

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

18MB

(1) 2M x 36

(1) 2M x 36

(1) 256K x 36

(1) 256K x 36

18MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

20MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

None

None

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

64MB

None

(1) 16M x 32

None

None

64MB

None

None

None

(1) 16M x 32

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 16M x 36

(1) 16M x 36

None

None

DRAM (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

130MB

(1) 16M x 36

(1) 16M x 36

(1) 256K x 36

(1) 256K x 36

130MB

(1) 256K x 36

(1) 256K x 36

(1) 16M x 36

(1) 16M x 36

132MB

(1) 16M x 36

(1) 16M x 36

(1) 512K x 36

(1) 512K x 36

132MB

(1) 512K x 36

(1) 512K x 36

(1) 16M x 36

(1) 16M x 36

136MB

(1) 16M x 36

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

136MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

(1) 16M x 36

144MB

(1) 16M x 36

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

144MB

(1) 2M x 36

(1) 2M x 36

(1) 16M x 36

(1) 16M x 36

160MB

(1) 16M x 36

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

160MB

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

(1) 16M x 36

256MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

Note: Board accepts EDO memory. Board also accepts X 32 SIMMs. If only Bank 1 or Bank 3 is populated, x 32 SIMMs must be used.

CACHE SIZE

Size

Bank 0

TAG

SL1

256KB

(2) 32K x 32

(1) 8K/16K x 8

Not installed

512KB

(2) 32K x 32

(1) 16K/32K x 8

Installed

CACHE JUMPER

Size

JP26

JP27

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 1 & 2 closed

CPU BURST MODE TYPE

Setting

JP40

Cyrix (linear burst)

Pins 2 & 3 closed

Intel (interleave burst)

Pins 1 & 2 closed

CPU SPEED (CYRIX)

Setting

Multiplier

JP23

JP24

JP38

JP42

120MHz

2x

Closed

Closed

Pins 2 & 3 closed

Open

150MHz

2x

Closed

Open

Pins 2 & 3 closed

Open

166MHz

2x

Open

Closed

Pins 2 & 3 closed

Open

200MHz

3x

Closed

Closed

Pins 1 & 2 closed

Open

CPU SPEED (INTEL)

Setting

Multiplier

JP23

JP24

JP38

JP42

75MHz

1.5x

Closed

Closed

Pins 1 & 2 closed

Open

90MHz

1.5x

Closed

Open

Pins 1 & 2 closed

Open

100MHz

1.5x

Open

Closed

Pins 1 & 2 closed

Open

100MHz

2x

Closed

Closed

Pins 2 & 3 closed

Open

120MHz

2x

Closed

Open

Pins 2 & 3 closed

Open

133MHz

2x

Open

Closed

Pins 2 & 3 closed

Open

150MHz

2.5x

Closed

Open

Pins 2 & 3 closed

Closed

166MHz

2.5x

Open

Closed

Pins 2 & 3 closed

Closed

180MHz

3x

Closed

Closed

Pins 1 & 2 closed

Closed

200MHz

3x

Open

Closed

Pins 1 & 2 closed

Closed

CPU VOLTAGE

Setting

JP43

JP44

JP45

3.3v

Closed

Open

Open

3.45v - 3.6v

Open

Closed

Open