TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER 820

Processor

Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

Cirrus Logic

Maximum Onboard Memory

256MB

Maximum Video Memory

1MB

Cache

256KB

BIOS

Award

Dimensions

181mm x 122mm

I/O Options

Floppy drive interface, IDE interface, SCSI interface, green PC connector, parallel port, PS/2 mouse interface, serial ports (2), VGA port, VGA feature connector, flat panel connector, PC/104 connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Flat panel connector

J9

Floppy drive interface

J2

Serial port 1

J10

Keyboard, speaker, reset, LED

J3

PS/2 mouse interface

J11

Serial port 2

J4

Power connector

J12

SCSI interface

J5

VGA port

J13

Green PC connector

J6

Parallel port

J19

Chassis fan power

J7

PC/104 connectors

P1 & P2

VGA feature connector

J8

Regulator connector

P3

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Power fail monitoring disabled

W8

Open

 

Power fail monitoring enabled

W8

Closed

»

Power failure detection source external power fail (pin 6 on J12)

W9

Pins 1 & 2 closed

 

Power failure detection source internal/external battery <3v

W9

Pins 2 & 3 closed

 

Battery type select internal

W10

Pins 1 & 2 closed

 

Battery type select external

W10

Pins 2 & 3 closed

»

Flat panel voltage select 5v

W11

Pins 1 & 2 closed

 

Flat panel voltage select 3.3v

W11

Pins 2 & 3 closed

»

BIOS boot select normal boot

W18

Open

 

BIOS boot select emergency boot

W18

Closed

»

Watchdog timer enabled

W19

Closed

 

Watchdog timer disabled

W19

Open

SIMM CONFIGURATION

Size

Bank 0

2MB

(2) 256K x 36

4MB

(2) 512K x 36

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

CACHE CONFIGURATION

Note: 256KB cache is factory installed and is not configurable.

VIDEO MEMORY CONFIGURATION

Note: 1MB video memory is factory installed and is not configurable.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

W2

W3

W13

W14

W15

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

Open

100MHz

66MHz

1.5x

Open

Closed

Closed

Open

Open

120MHz

60MHz

2x

Closed

Open

Open

Closed

Open

133MHz

66MHz

2x

Open

Closed

Closed

Closed

Open

150MHz

60MHz

2.5x

Closed

Open

Open

Closed

Closed

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed

Closed

200MHz

66MHz

3x

Open

Closed

Closed

Open

Closed

SERIAL PORT 2 TERMINATION SELECTION

Setting

W6

W7

»

Disabled

Open

Open

 

Enabled

Closed

Closed

BASE I/O SELECTION

Address

W16

»

190H

Pins 1 & 2, 3 & 4 closed

 

290H

Pins 1 & 2 closed

 

390H

Pins 3 & 4 closed

 

390H

Open

EXTENDED BIOS MODE SELECTION

Setting

W17

 

VT100

Pins 3 & 4 closed

 

Serial download

Pins 1 & 2 closed

»

Standard mode

Pins 3 & 4 closed

»

Normal mode

Pins 1 & 2 closed

TERMINATION SELECTION

Setting

W1

»

Hardware configuration

Pins 2 & 3 closed

 

Software configuration

Pins 1 & 2 closed

 

Disabled

Open

FEATURE CONNECTOR SELECTION

Setting

W4

W5

»

Disabled

Closed

Open

 

Enabled

Open

Closed

 

V-port

Open

Open