TYAN COMPUTER CORPORATION

S1570 (REV. 1.0)

Processor

CX M1/IBM/SGS/AM K5/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

512KB

BIOS

AMI/Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (5), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

Power LED

J8/pins 18 & 20

Serial port 1

CN2

Reset switch

J8/pins 22 & 23

Parallel port

CN3

Speaker

J8/pins 24 & 27

Floppy drive interface

CN4

Chassis fan power

J28

IDE interface 2

CN5

Power LED & keylock

JP20

IDE interface 1

CN6

Turbo switch

JP24

PS/2 mouse interface

CN7

Turbo LED

JP25

Green PC connector

J8/pins 3 & 4

32-bit PCI slots

PC1 PC5

IR connector

J8/pins 6 11

USB connector 1

USB1

IDE interface LED

J8/pins 13 16

USB connector 2

USB2

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

CON1

Unidentified

Factory configured - do not alter

J1

Unidentified

Factory configured - do not alter

JP9

Unidentified

Factory configured - do not alter (matches BIOS installed)

JP16

Pins 1 & 2 closed

Factory configured - do not alter

JP33

Unidentified

CMOS memory normal operation

JP38

Pins 1 & 2 closed

 

CMOS memory clear

JP38

Pins 2 & 3 closed

Factory configured - do not alter

JP41

Unidentified

Factory configured - do not alter

JP42

Unidentified

Factory configured - do not alter

JP45

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank 4

8MB

(2) 1M x 36

None

None

None

None

8MB

None

None

None

(1) 1M x 64

None

16MB

None

None

None

(1) 2M x 64

None

16MB

(2) 2M x 36

None

None

None

None

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

None

None

32MB

(2) 4M x 36

None

None

None

None

32MB

None

(2) 2M x 36

None

(1) 2M x 64

None

64MB

(2) 8M x 36

None

None

None

None

64MB

None

None

None

None

(1) 8M x 64

96MB

None

None

None

(1) 4M x 64

(1) 8M x 64

128MB

None

None

None

(1) 8M x 64

(1) 8M x 64

192MB

(2) 16M x 36

None

None

None

(1) 8M x 64

256MB

(2) 16M x 36

(2) 16M x 36

None

None

None

Note: Board accepts EDO memory.

DIMM VOLTAGE CONFIGURATION

Voltage

JP43

JP44

3v

Pins 1 & 2 closed

Pins 1 & 2 closed

 

5v

Pins 2 & 3 closed

Pins 2 & 3 closed

SIMM VOLTAGE CONFIGURATION

Voltage

JP34

JP35

JP36

JP37

 

3v

Open

Open

Closed

Closed

5v

Closed

Closed

Open

Open

CACHE CONFIGURATION

Size

Bank 0

512KB

(2) 64K x 32

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

120MHz

50MHz

2x

Closed

Open

1 & 2, 3 & 4

150MHz

60MHz

2x

Closed

Open

3 & 4

166MHz

66MHz

2x

Closed

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

120MHz

50MHz

2x

Closed

Open

1 & 2, 3 & 4

150MHz

60MHz

2x

Closed

Open

3 & 4

166MHz

66MHz

2x

Closed

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (SGS)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

120MHz

50MHz

2x

Closed

Open

1 & 2, 3 & 4

150MHz

60MHz

2x

Closed

Open

3 & 4

166MHz

66MHz

2x

Closed

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

90MHz

60MHz

1.5x

Open

Open

3 & 4

100MHz

66MHz

1.5x

Open

Open

1 & 2

120MHz

60MHz

2x

Closed

Open

3 & 4

133MHz

66MHz

2x

Closed

Open

1 & 2

150MHz

60MHz

2.5x

Closed

Closed

3 & 4

166MHz

66MHz

2.5x

Closed

Closed

1 & 2

200MHz

66MHz

3x

Open

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP10

JP11

JP13

75MHz

50MHz

1.5x

Open

Open

1 & 2, 3 & 4

90MHz

60MHz

1.5x

Open

Open

3 & 4

100MHz

66MHz

1.5x

Open

Open

1 & 2

120MHz

60MHz

2x

Closed

Open

3 & 4

133MHz

66MHz

2x

Closed

Open

1 & 2

150MHz

60MHz

2.5x

Closed

Closed

3 & 4

166MHz

66MHz

2.5x

Closed

Closed

1 & 2

180MHz

60MHz

3x

Open

Closed

3 & 4

200MHz

66MHz

3x

Open

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Type

JP27

JP28

JP29

JP30

JP31

JP32

Cyrix

N/A

N/A

N/A

Closed

Open

Open

P54C

Open

Closed

Open

Open

Closed

Closed

P55C

Open

Closed

Open

Open

Closed

Closed

SERIAL PORT SELECTION

Setting

J39

J40

Used as serial port

Pins 1 & 2 closed

Pins 1 & 2 closed

Used as IR port

Pins 2 & 3 closed

Pins 2 & 3 closed