TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER821

Device Type

Single board computer

Processor

AM K6/Pentium/Pentium MMX

Processor Speed

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

Chip Set

Intel 430HX

Video Chip Set

Cirrus Logic

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

Unidentified

Cache

512KB

BIOS

Unidentified

Dimensions

185mm x 122mm

I/O Options

Ethernet 10BaseT connector, floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (2), VGA port, VGA interface, PC/104 connectors (2), USB connector

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Power connector

J11

Floppy drive interface

J2

Flash disk connector

J12

Keyboard/speaker connector

J3

VGA port

J13

Serial port 2

J4

PS/2 mouse interface

J14

Parallel port

J5

Ethernet 10BaseT connector

J15

Flat panel connector

J6

Chassis fan power

J16

VGA interface

J7

USB connector

J17

Flat panel connector

J8

PC/104 connector

P1

Serial port 1

J9

Regulator connector

P2

Power connector

J10

PC/104 connector

P3

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Watchdog timer enabled

W8

Closed

 

Watchdog timer disabled

W8

Open

»

Non maskable IRQ on power fail output disabled

W9

Open

 

Non maskable IRQ on power fail output enabled

W9

Closed

»

Battery disabled

W10

Open

 

Battery type select internal

W10

Pins 1 & 2 closed

 

Battery type select external

W10

Pins 2 & 3 closed

»

Power failure select external power fail input to pin 6 on J11

W11

Pins 1 & 2 closed

 

Power failure select internal/external batter when < 3v

W11

Pins 2 & 3 closed

»

Flat panel voltage select 5v

W12

Pins 1 & 2 closed

 

Flat panel voltage select 3.3v

W12

Pins 2 & 3 closed

»

Factory configured - do not alter

W13/pins 1 & 2

Open

»

Factory configured - do not alter

W13/pins 3 & 4

Open

»

On board video enabled

W13/pins 5 & 6

Closed

 

On board video disabled

W13/pins 5 & 6

Open

»

CPU < 233MHz

W13/pins 7 & 8

Open

 

CPU > 233MHz

W13/pins 7 & 8

Closed

SIMM CONFIGURATION

Size

Bank 2

8MB

(2) 1M x 36

16MB

(2) 2M x 36

32MB

(2) 4M x 36

64MB

(2) 8M x 36

128MB

(2) 16M x 36

256MB

(2) 32M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

VIDEO MEMORY CONFIGURATION

Note: The location of the video memory is unidentified.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

W1

W2

W3

W4

W5

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Closed

Open

Closed

Closed

Open

233MHz

66MHz

3.5x

Open

Open

Closed

Closed

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

W1

W2

W3

W4

W5

75MHz

50MHz

1.5x

Open

Closed

Closed

Open

Open

90MHz

60MHz

1.5x

Open

Closed

Open

Open

Open

100MHz

66MHz

1.5x

Open

Open

Closed

Closed

Open

120MHz

60MHz

2x

Open

Closed

Open

Open

Closed

133MHz

66MHz

2x

Open

Open

Closed

Closed

Closed

150MHz

60MHz

2.5x

Closed

Closed

Open

Open

Closed

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Closed

Open

Closed

Closed

Open

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

W1

W2

W3

W4

W5

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Closed

Open

Closed

Closed

Open

233MHz

66MHz

3.5x

Open

Open

Closed

Closed

Open

SERIAL PORT 2 SELECTION

Setting

W6

W7

Termination resistors not installed

Open

Open

Termination resistors installed

Closed

Closed

CONNECTIONS

Purpose

Location

Regulator connector

P2

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

W1

W2

166MHz

66MHz

2.5x

3 & 5, 4 & 6

Open

200MHz

66MHz

3x

3 & 5, 4 & 6

Open

233MHz

66MHz

3.5x

3 & 5, 4 & 6

Open

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6, CON’T)

CPU speed

Clock speed

Multiplier

W3/pins

1 & 2

W3/pins

3 & 4

W3/pins

5 & 6

W3/pins

7 & 8

W3/pins

9 & 10

166MHz

66MHz

2.5x

Closed

Open

Open

Closed

Open

200MHz

66MHz

3x

Closed

Open

Open

Closed

Open

233MHz

66MHz

3.5x

Open

Open

Closed

Closed

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

W1

W2

100MHz

66MHz

1.5x

1 & 3, 2 & 4

Closed

120MHz

60MHz

2x

1 & 3, 2 & 4

Closed

133MHz

66MHz

2x

1 & 3, 2 & 4

Closed

150MHz

60MHz

2.5x

1 & 3, 2 & 4

Closed

166MHz

66MHz

2.5x

1 & 3, 2 & 4

Closed

200MHz

66MHz

3x

1 & 3, 2 & 4

Closed

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL, CON’T)

CPU speed

Clock speed

Multiplier

W3/pins

1 & 2

W3/pins

3 & 4

W3/pins

5 & 6

W3/pins

7 & 8

W3/pins

9 & 10

100MHz

66MHz

1.5x

Closed

Open

Closed

Closed

Open

120MHz

60MHz

2x

Closed

Open

Closed

Closed

Open

133MHz

66MHz

2x

Closed

Open

Closed

Closed

Open

150MHz

60MHz

2.5x

Closed

Open

Closed

Closed

Open

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Open

200MHz

66MHz

3x

Closed

Open

Closed

Closed

Open

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

W1

W2

166MHz

66MHz

2.5x

3 & 5, 4 & 6

Open

200MHz

66MHz

3x

3 & 5, 4 & 6

Open

233MHz

66MHz

3.5x

3 & 5, 4 & 6

Open

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX, CON’T)

CPU speed

Clock speed

Multiplier

W3/pins

1 & 2

W3/pins

3 & 4

W3/pins

5 & 6

W3/pins

7 & 8

W3/pins

9 & 10

166MHz

66MHz

2.5x

Open

Open

Open

Closed

Open

200MHz

66MHz

3x

Open

Open

Open

Closed

Open

233MHz

66MHz

3.5x

Open

Open

Open

Closed

Open