TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER880

Device Type

Single board computer

Processor

80486SX/80486DX/80486DX2/80486DX4

Processor Speed

50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

VLSI 82C486

Video Chip Set

Chips and Technology

Maximum Onboard Memory

32MB

Maximum Video Memory

1MB

Cache

128/512KB

BIOS

AMI

Dimensions

181mm x 122mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Chassis fan power

J8

Floppy drive interface

J2

Power connector

J9

Multifunction connector

J3

PS/2 mouse interface

J10

Serial port 2

J4

VGA port

J12

SCSI interface

J5

Parallel port

J13

Flat panel connector

J6

PC/104 connector

P1

Serial port 1

J7

PC/104 connector

P2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Normal boot enabled

J11

Open

 

Emergency boot enabled

J11

Closed

»

IOCHRDY signal to IDE interface disabled

W1

Open

 

IOCHRDY signal to IDE interface enabled

W1

Closed

»

Watchdog timer enabled

W2

Closed

 

Watchdog timer disabled

W2

Open

»

Power fail monitoring disabled

W3

Open

 

Power fail monitoring enabled

W3

Closed

»

Flash disk write enabled

W4

Closed

 

Flash disk write disabled

W4

Open

»

SCSI address select 340H

W5

Open

 

SCSI address select140H

W5

Closed

»

Flash BIOS write enabled

W6

Closed

 

Flash BIOS write disabled

W6

Open

»

Pixel clock polarity positive

W7

Pins 1 & 2 closed

 

Pixel clock polarity negative

W7

Pins 2 & 3 closed

»

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 J9

W13

Pins 1 & 2 closed

 

Power failure select internal/external battery < 3v

W13

Pins 2 & 3 closed

»

On board video enabled

W26/pins 1 & 2

Open

 

On board video disabled

W26/pins 1 & 2

Closed

»

Factory configured – do not alter

W26/pins 3 & 4

Unidentified

»

Standard mode enabled

W26/pins 5 & 6

Open

 

VT100 mode enabled

W26/pins 5 & 6

Closed

»

Serial normal mode enabled

W26/pins 7 & 8

Open

 

Serial download mode enabled

W26/pins 7 & 8

Closed

»

PS/2 mouse disabled

W27

Open

 

PS/2 mouse enabled

W27

Closed

»

Monitor type select color

W32

Open

 

Monitor type select monochrome

W32

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(1) 256K x 36

None

2MB

(1) 512K x 36

None

2MB

(1) 256K x 36

(1) 256K x 36

3MB

(1) 512K x 36

(1) 256K x 36

4MB

(1) 1M x 36

None

4MB

(1) 512K x 36

(1) 512K x 36

5MB

(1) 1M x 36

(1) 256K x 36

6MB

(1) 1M x 36

(1) 512K x 36

8MB

(1) 2M x 36

None

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 36

(1) 1M x 36

9MB

(1) 2M x 36

(1) 256K x 36

10MB

(1) 2M x 36

(1) 512K x 36

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 4M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

17MB

(1) 4M x 36

(1) 256K x 36

18MB

(1) 4M x 36

(1) 512K x 36

20MB

(1) 4M x 36

(1) 1M x 36

24MB

(1) 4M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

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

Speed

W29

50iMHz

Pins 1 & 2, 3 & 4, 5 & 6 closed

66iMHz

Pins 3 & 4, 5 & 6 closed

75iMHz

Pins 1 & 2, 3 & 4, 5 & 6 closed

100iMHz

Pins 3 & 4, 5 & 6 closed

CPU TYPE SELECTION

Type

W22

W24

W25

80486SX

Pins 1 & 2 closed

Open

Open

80486DX

Pins 2 & 3 closed

Closed

Pins 1 & 2 closed

80486DX2

Pins 2 & 3 closed

Closed

Pins 1 & 2 closed

80486DX4

Pins 2 & 3 closed

Closed

Pins 1 & 2 closed

ODP486

Pins 2 & 3 closed

Closed

Pins 1 & 2 closed

BUSCLK SIGNAL SELECTION

Speed

W21

16MHz

Pins 2 & 3 closed

25MHz

Pins 1 & 2 closed

33MHz

Open

DMA CHANNEL SELECTION

Channel

W28

W31

»

None

Open

Open

 

1

Pins 1 & 2 closed

Pins 1 & 2 closed

 

3

Pins 2 & 3 closed

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

W30

 

None

Open

 

IRQ5

Pins 1 & 2 closed

»

IRQ7

Pins 2 & 3 closed

SERIAL PORT 2 SELECTION

Setting

W17

W18

W19

W20

»

RS-232

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

RS-422

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

 

RS-485

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT LOOPBACK SELECTION

Setting

W11

W12

»

Normal

Open

Open

 

Loopback

Closed

Closed

I/O ADDRESS SELECTION

Address

W23

»

190H

Pins 1 & 2, 3 & 4 closed

 

290H

Pins 1 & 2 closed

 

390H

Pins 3 & 4 closed

 

390H

Open

SCSI DMA CHANNEL SELECTION

Channel

W14

W15

»

None

Open

Open

 

0

Pins 1 & 2 closed

Pins 2 & 3 closed

 

5

Pins 2 & 3 closed

Pins 1 & 2 closed

SCSI INTERRUPT SELECTION

IRQ

W16

 

10

Pins 1 & 2 closed

 

11

Pins 2 & 3 closed

»

None

Open

EDOUT SELECTION

Setting

W8

EDOUT left to software

Open

EDOUT to pin 29 & ground to pin 17

Pins 1 & 3, 2 & 4 closed

EDOUT to pin 17 & ground to pin 29

Pins 1 & 2, 3 & 4 closed

Note: The above listed pins are located on J2.

HDOUT SELECTION

Setting

W9

HDOUT left to software

Open

HDOUT to pin 33 & ground to pin 27

Pins 1 & 3, 2 & 4 closed

HDOUT to pin 27 & ground to pin 33

Pins 1 & 2, 3 & 4 closed

Note: The above listed pins are located on J2.