TYAN COMPUTER CORPORATION

S1571

Device Type

Mainboard

Processor

CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO & SDRAM 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 connectors (2), USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

IR connector

JP17/pins 6 - 9

Serial port 2

CN2

IDE interface LED 1

JP17/pins 13 & 14

Floppy drive interface

CN3

IDE interface LED 2

JP17/pins 15 & 16

Parallel port

CN4

Power LED

JP17/pins 18 - 20

IDE interface 2

CN5

Reset switch

JP17/pins 22 & 23

IDE interface 1

CN6

Speaker

JP17/pins 24 - 27

PS/2 mouse interface

CN7

Turbo LED

JP24

Chassis fan power

FAN1

Turbo switch

JP25

Chassis fan power

FAN2

Keylock

JP26/pins 4 & 5

Chassis fan power

FAN3

32-bit PCI slots

PC1 – PC5

IR connector

IR1

USB connector 1

USB1

Green PC connector

JP17/pins 3 & 4

USB connector 2

USB2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J22

Unidentified

»

Factory configured - do not alter

J23

Unidentified

»

Factory configured - do not alter

JP21

Unidentified

»

CMOS memory normal operation

JP22

Pins 1 & 2 closed

 

CMOS memory clear

JP22

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP23

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP23

Pins 1 & 2 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x36

None

None

16MB

(2) 2M x36

None

None

16MB

(2) 1M x36

(2) 1M x36

None

24MB

(2) 2M x36

(2) 1M x36

None

24MB

(2) 1M x36

(2) 1M x36

(2) 1M x36

32MB

(2) 4M x36

None

None

32MB

(2) 2M x36

(2) 1M x36

(2) 1M x36

32MB

(2) 2M x36

(2) 2M x36

None

40MB

(2) 4M x36

(2) 1M x36

None

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

40MB

(2) 2M x36

(2) 2M x32

(2) 1M x36

48MB

(2) 4M x36

(2) 1M x36

(2) 1M x36

48MB

(2) 4M x36

(2) 2M x36

None

48MB

(2) 2M x36

(2) 2M x36

(2) 2M x36

56MB

(2) 4M x36

(2) 2M x36

(2) 1M x36

64MB

(2) 8M x36

None

None

64MB

(2) 4M x36

(2) 2M x36

(2) 2M x36

64MB

(2) 4M x36

(2) 4M x36

None

80MB

(2) 8M x36

(2) 1M x36

(2) 1M x36

80MB

(2) 8M x36

(2) 2M x32

None

80MB

(2) 4M x36

(2) 4M x36

(2) 2M x36

88MB

(2) 8M x36

(2) 2M x32

(2) 1M x36

96MB

(2) 8M x36

(2) 2M x36

(2) 2M x36

96MB

(2) 8M x36

(2) 4M x36

None

96MB

(2) 4M x36

(2) 4M x36

(2) 4M x36

104MB

(2) 8M x36

(2) 4M x36

(2) 1M x36

112MB

(2) 8M x36

(2) 4M x36

(2) 2M x36

128MB

(2) 16M x36

None

None

128MB

(2) 8M x36

(2) 4M x36

(2) 4M x36

128MB

(2) 8M x36

(2) 8M x36

None

136MB

(2) 16M x36

(2) 1M x36

None

144MB

(2) 16M x36

(2) 2M x32

None

144MB

(2) 8M x36

(2) 8M x36

(2) 2M x36

152MB

(2) 16M x36

(2) 2M x36

(2) 1M x36

160MB

(2) 16M x36

(2) 2M x36

(2) 2M x36

160MB

(2) 16M x36

(2) 4M x36

None

160MB

(2) 8M x36

(2) 8M x36

(2) 4M x36

176MB

(2) 16M x36

(2) 4M x36

(2) 2M x36

192MB

(2) 16M x36

(2) 4M x36

(2) 4M x36

192MB

(2) 16M x36

(2) 8M x36

None

192MB

(2) 8M x36

(2) 8M x36

(2) 8M x36

200MB

(2) 16M x36

(2) 8M x36

(2) 1M x36

208MB

(2) 16M x36

(2) 8M x36

(2) 2M x36

224MB

(2) 16M x36

(2) 8M x36

(2) 4M x36

256MB

(2) 16M x36

(2) 8M x36

(2) 8M x36

Note: Board accepts EDO memory.

DIMM CONFIGURATION

Size

Bank 3

Bank 4

8MB

(2) 1M x32

None

16MB

(2) 2M x32

None

16MB

(2) 1M x32

(2) 1M x32

24MB

(2) 2M x32

(2) 1M x32

32MB

(2) 4M x36

None

32MB

(2) 2M x32

(2) 2M x32

40MB

(2) 4M x36

(2) 1M x32

48MB

(2) 4M x36

(2) 2M x32

64MB

(2) 8M x36

None

64MB

(2) 4M x36

(2) 4M x36

72MB

(2) 8M x36

(2) 1M x32

80MB

(2) 8M x36

(2) 2M x32

96MB

(2) 8M x36

(2) 4M x36

128MB

(2) 16M x36

None

128MB

(2) 8M x36

(2) 8M x36

136MB

(2) 16M x36

(2) 1M x32

144MB

(2) 16M x36

(2) 2M x32

160MB

(2) 16M x36

(2) 4M x36

192MB

(2) 16M x36

(2) 8M x36

256MB

(2) 16M x36

(2) 16M x36

Note: Board accepts SDRAM memory.

SIMM VOLTAGE CONFIGURATION

Voltage

JP1

JP2

JP7

JP8

3v

Open

Open

Closed

Closed

5v

Closed

Closed

Open

Open

DIMM VOLTAGE CONFIGURATION

Voltage

JP3

JP4

JP5

JP6

3v

Open

Open

Closed

Closed

5v

Closed

Closed

Open

Open

CACHE CONFIGURATION

Size

Bank 0

512KB

(2) 64K x 32

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

120MHz

50MHz

2x

Closed

Open

Open

1 & 2, 3 & 4

Closed

1 & 2

133MHz

55MHz

2x

Closed

Open

Open

1 & 2, 3 & 4

Open

1 & 2

150MHz

60MHz

2x

Closed

Open

Open

3 & 4

Closed

1 & 2

166MHz

66MHz

2x

Closed

Open

Open

1 & 2

Closed

1 & 2

200MHz

75MHz

2x

Closed

Open

Open

3 & 4

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

150MHz

60MHz

2x

Closed

Open

Open

3 & 4

Closed

1 & 2

166MHz

66MHz

2x

Closed

Open

Open

1 & 2

Closed

1 & 2

200MHz

75MHz

2x

Closed

Open

Open

3 & 4

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

166MHz

60MHz

2x

Closed

Closed

Open

3 & 4

Closed

1 & 2

200MHz

66MHz

2x

Closed

Closed

Open

1 & 2

Closed

1 & 2

233MHz

75MHz

2x

Closed

Closed

Open

3 & 4

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

90MHz

60MHz

1.5x

Open

Open

Open

1 & 2

Closed

1 & 2

100MHz

66MHz

1.5x

Open

Open

Open

1 & 2

Closed

1 & 2

120MHz

60MHz

2x

Closed

Open

Open

3 & 4

Closed

1 & 2

133MHz

66MHz

2x

Closed

Open

Open

1 & 2

Closed

1 & 2

166MHz

66MHz

2.5x

Closed

Closed

Open

1 & 2

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

166MHz

66MHz

2.5x

Closed

Closed

Open

1 & 2

Closed

1 & 2

200MHz

66MHz

3x

Open

Closed

Open

1 & 2

Closed

1 & 2

233MHz

66MHz

3.5x

Open

Open

Open

1 & 2

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (IDT C6)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

150MHz

50MHz

3x

Open

Closed

Open

1 & 2, 3 & 4

Closed

1 & 2

180MHz

66MHz

3x

Open

Closed

Open

3 & 4

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

75MHz

50MHz

1.5x

Open

Open

Open

1 & 2, 3 & 4

Closed

1 & 2

90MHz

60MHz

1.5x

Open

Open

Open

3 & 4

Closed

1 & 2

100MHz

66MHz

1.5x

Open

Open

Open

1 & 2

Closed

1 & 2

120MHz

60MHz

2x

Closed

Open

Open

3 & 4

Closed

1 & 2

133MHz

66MHz

2x

Closed

Open

Open

1 & 2

Closed

1 & 2

150MHz

60MHz

2.5x

Closed

Closed

Open

3 & 4

Closed

1 & 2

166MHz

66MHz

2.5x

Closed

Closed

Open

1 & 2

Closed

1 & 2

200MHz

66MHz

3x

Open

Closed

Open

1 & 2

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

BF0

BF1

BF2

JP9

JP10

JP15

166MHz

66MHz

2.5x

Closed

Closed

Open

1 & 2

Closed

1 & 2

200MHz

66MHz

3x

Open

Closed

Open

1 & 2

Closed

1 & 2

233MHz

66MHz

3.5x

Open

Open

Open

1 & 2

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

VIO

AM K5

Open

AM K6

Closed

CX 6X86

Closed

CX 6X86L

Closed

CX 6X86MX

Closed

IDT C6

Open

P54C

Open

P55C

Closed

CPU VOLTAGE SELECTION

Voltage

VID0

VID1

VID2

VID3

2.0v

Open

Open

Open

Open

2.1v

Open

Open

Open

Closed

2.2v

Open

Open

Closed

Open

2.3v

Open

Open

Closed

Closed

2.4v

Open

Closed

Open

Open

2.5v

Open

Closed

Open

Closed

2.6v

Open

Closed

Closed

Open

2.7v

Open

Closed

Closed

Closed

2.8v

Closed

Open

Open

Open

2.9v

Closed

Open

Open

Closed

3.0v

Closed

Open

Closed

Open

3.1v

Closed

Open

Closed

Closed

3.2v

Closed

Closed

Open

Open

3.3v

Closed

Closed

Open

Closed

3.4v

Closed

Closed

Closed

Open

3.5v

Closed

Closed

Closed

Closed

SERIAL PORT SELECTION

Setting

JP16

JP17

Used as serial port

Pins 1 & 2 closed

Pins 1 & 2 closed

Used as IR port

Pins 2 & 3 closed

Pins 2 & 3 closed