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VIPER803

TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER803

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

16MB

Maximum Video Memory

1MB

Cache

128/512KB

BIOS

AMI

Dimensions

181mm x 122mm

I/O Options

Floppy drive interface, IDE interface, SCSI 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

4MB

(4) 1M x 9

16MB

(4) 4M x 9

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

 

5

Pins 1 & 2 closed

7

Pins 2 & 3 closed

 

None

Open

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.