TYAN COMPUTER CORPORATION

S1471

Device Type

Mainboard

Processor

CX 6X86/IBM 6X86/SGS 6X86/CX M1/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

AMI, Award

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

Reset switch

J41

Serial port 1

CN2

Speaker

J42

Floppy drive interface

CN3

IDE interface LED

J43

Parallel port

CN4

Power LED & keylock

J47

IDE interface 2

CN5

Turbo LED

J48

IDE interface 1

CN6

Turbo switch

J49

PS/2 mouse interface

CN7

32-bit PCI slots

PC1 – PC5

IR connector

CON9

USB connector 1

USB1

IR connector

CON10

USB connector 2

USB2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J16

Unidentified

»

Factory configured - do not alter

J18

Unidentified

»

Factory configured - do not alter

J19

Unidentified

»

Factory configured - do not alter

J31

Unidentified

»

Factory configured - do not alter

J32

Unidentified

»

Factory configured - do not alter

J36

Unidentified

»

Factory configured - do not alter

J37

Unidentified

»

CMOS memory normal operation

J45

Open

 

CMOS memory clear

J45

Closed

»

Factory configured - do not alter

J46

Unidentified

»

Factory configured - do not alter

J50

Pins 1 & 2 closed

»

Factory configured - do not alter

JP4

Unidentified

»

Factory configured - do not alter

JP5

Unidentified

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION

Voltage

J3

J5

J6

J7

J8

 

3.3v

Closed

Open

Closed

Open

Closed

»

5v

Open

Closed

Open

Closed

Open

DIMM VOLTAGE CONFIGURATION (CON’T)

Voltage

J9

J11

JP1

JP2

JP3

 

3.3v

Open

Open

2 & 3

2 & 3

2 & 3

»

5v

Closed

Closed

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

J15

J39

J40

120MHz

50MHz

2x

1 & 2, 3 & 4

Open

Closed

150MHz

60MHz

2x

3 & 4

Open

Closed

166MHz

66MHz

2x

1 & 2

Open

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

J15

J39

J40

120MHz

50MHz

2x

1 & 2, 3 & 4

Open

Closed

150MHz

60MHz

2x

3 & 4

Open

Closed

166MHz

66MHz

2x

1 & 2

Open

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (SGS 6X86)

CPU speed

Clock speed

Multiplier

J15

J39

J40

120MHz

50MHz

2x

1 & 2, 3 & 4

Open

Closed

150MHz

60MHz

2x

3 & 4

Open

Closed

166MHz

66MHz

2x

1 & 2

Open

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX M1)

CPU speed

Clock speed

Multiplier

J15

J39

J40

120MHz

50MHz

2x

1 & 2, 3 & 4

Open

Closed

150MHz

60MHz

2x

3 & 4

Open

Closed

166MHz

66MHz

2x

1 & 2

Open

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

J15

J39

J40

75MHz

50MHz

1.5x

1 & 2, 3 & 4

Open

Open

90MHz

60MHz

1.5x

3 & 4

Open

Open

100MHz

66MHz

1.5x

1 & 2

Open

Open

120MHz

60MHz

2x

3 & 4

Open

Closed

133MHz

66MHz

2x

1 & 2

Open

Closed

150MHz

60MHz

2.5x

3 & 4

Closed

Closed

166MHz

66MHz

2.5x

1 & 2

Closed

Closed

200MHz

66MHz

3x

1 & 2

Closed

Open

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

J15

J39

J40

166MHz

66MHz

2.5x

1 & 2

Closed

Closed

200MHz

66MHz

3x

1 & 2

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

J20

J21

J22

J23

J24

J35

 

Cyrix

Open

Closed

Open

Closed

Open

Open

 

IBM

Open

Closed

Open

Closed

Open

Open

 

SGS

Open

Closed

Open

Closed

Open

Open

»

Intel

Closed

Open

Open

Open

Closed

Closed

»

Intel MMX

Closed

Open

Open

Open

Closed

Closed

SERIAL PORT SELECTION

Setting

J13

J14

Used as serial port

Pins 1 & 2 closed

Pins 1 & 2 closed

Used as IR connector

Pins 2 & 3 closed

Pins 2 & 3 closed