TYAN COMPUTER CORPORATION

S1672

Processor

Pentium Pro

Processor Speed

150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

768MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB (located on Pentium Pro CPU)

BIOS

AMI/Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, soft on power supply

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Soft on power supply

J26 pins 1 & 2

Serial port 1

CN1

IR connector

J26 pins 6 - 11

Parallel port

CN2

IDE interface LED

J26 pins 15 & 16

PS/2 mouse port

CN3

Power LED

J26 pins 18 & 20

Serial port 2

CN4

Reset switch

J26 pins 22 & 23

Floppy drive interface

CN5

Speaker

J26 pins 24 - 27

IDE interface 1

CN6

Keylock

JP1

IDE interface 2

CN7

32-bit PCI slots

PC1 - PC4

IR connector

CON7

USB connector

USB1

Chassis fan power

J14

USB connector

USB2

USER CONFIGURABLE SETTINGS

Function

Label

Position

Power supply select ATX

J4

Open

 

Power supply select AT

J4

Closed

 

SMC I/O chip type select 665IR

J10

Pins 1 & 2 closed

 

SMC I/O chip type select 669IR

J10

Pins 2 & 3 closed

Factory configured - do not alter

J21

Unidentified

Factory configured - do not alter

J28

Unidentified

Factory configured - do not alter

J29

Unidentified

CMOS memory normal operation

J42

Open

 

CMOS memory clear

J42

Closed

Flash BIOS voltage select 5v

J43

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

J43

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 32

None

None

16MB

(2) 2M x 32

None

None

16MB

(2) 1M x 32

(2) 1M x 32

None

32MB

(2) 4M x 32

None

None

32MB

(2) 2M x 32

(2) 2M x 32

None

64MB

(2) 8M x 32

None

None

64MB

(2) 4M x 32

(2) 4M x 32

None

128MB

(2) 8M x 32

(2) 8M x 32

None

128MB

(2) 16M x 32

None

None

192MB

(2) 8M x 32

(2) 8M x 32

(2) 8M x 32

256MB

(2) 16M x 32

(2) 16M x 32

None

256MB

(2) 32M x 32

None

None

384MB

(2) 16M x 32

(2) 16M x 32

(2) 16M x 32

512MB

(2) 32M x 32

(2) 32M x 32

None

768MB

(2) 32M x 32

(2) 32M x 32

(2) 32M x 32

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium Pro CPU.

CPU SPEED SELECTION

Speed

J6

J19

J20

J30

J31

J32

J33

150MHz

3 & 4

Closed

Open

Closed

Closed

Closed

Open

166MHz

1 & 2

Open

Closed

Closed

Closed

Closed

Open

180MHz

3 & 4

Closed

Open

Closed

Closed

Open

Closed

200MHz

1 & 2

Open

Closed

Closed

Closed

Open

Closed

CPU VOLTAGE SELECTION

Voltage

J23

Auto select

Open

 

2.1v

1 & 5

 

2.2v

2 & 6

 

2.3v

1 & 5, 2 & 6

 

2.4v

3 & 7

 

2.5v

1 & 5, 3 & 7

 

2.6v

2 & 6, 3 & 7

 

2.7v

1 & 5, 2 & 6, 3 & 7

 

2.8v

4 & 8

 

2.9v

1 & 5, 4 & 8

 

3.0v

2 & 6, 4 & 8

 

3.1v

1 & 5, 2 & 6, 4 & 8

 

3.2v

3 & 7, 4 & 8

 

3.3v

1 & 5, 3 & 7, 4 & 8

 

3.4v

2 & 6, 3 & 7, 4 & 8

 

3.5v

1 & 5, 2 & 6, 3 & 7, 4 & 8

Note: Pins designated should be in the closed position.