TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER801

Device Type

Single board computer

Processor

80386SX/CX486SLC

Processor Speed

Unidentified

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

16MB

Maximum Video Memory

1MB

Cache

None

BIOS

Unidentified

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)

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Serial port 1

J7

Floppy drive interface

J2

Power connector

J8

Multifunction connector

J3

VGA port

J10

Serial port 2

J4

Parallel port

J11

SCSI interface

J5

PC/104 connector

P1

Flat panel connector

J6

PC/104 connector

P2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Normal boot from flash BIOS

J9

Open

 

Emergency boot from ROM BIOS

J9

Closed

»

Watchdog timer enabled

W1

Closed

 

Watchdog timer disabled

W1

Open

»

Flash disk write enabled

W2

Closed

 

Flash disk write disabled

W2

Open

»

Flash BIOS write enabled

W4

Closed

 

Flash BIOS write disabled

W4

Open

»

IOCHRDY signal to IDE interface disabled

W6

Open

 

IOCHRDY signal to IDE interface enabled

W6

Closed

»

Power fail monitoring disabled

W7

Open

 

Power fail monitoring enabled

W7

Closed

»

SCSI address select 340H

W8

Open

 

SCSI address select140H

W8

Closed

»

Battery type select internal

W9

Pins 1 & 2 closed

 

Battery type select external

W9

Pins 2 & 3 closed

»

Power failure select external power fail input to pin 6 on J8

W10

Pins 1 & 2 closed

 

Power failure select internal/external battery < 3v

W10

Pins 2 & 3 closed

»

On board video enabled

W22/pins 1 & 2

Open

 

On board video disabled

W22/pins 1 & 2

Closed

»

Factory configured – do not alter

W22/pins 3 & 4

Unidentified

»

Standard mode enabled

W22/pins 5 & 6

Open

 

VT100 mode enabled

W22/pins 5 & 6

Closed

»

Serial normal mode enabled

W22/pins 7 & 8

Open

 

Serial download mode enabled

W22/pins 7 & 8

Closed

»

SYSCLK select asynchronous

W27

Closed

 

SYSCLK select synchronous

W27

Open

SIMM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

None

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

None

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

None

10MB

(2) 4M x 9

(2) 1M x 9

16MB

(2) 4M x 9

(2) 4M x 9

VIDEO MEMORY CONFIGURATION

Note: The location of the video memory is unidentified.

DMA CHANNEL SELECTION

Channel

W24

W26

»

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

W25

 

None

Open

 

IRQ5

Pins 1 & 2 closed

»

IRQ7

Pins 2 & 3 closed

SERIAL PORT 2 SELECTION

Setting

W18

W19

W20

W21

»

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

W16

W17

»

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

W13

W14

»

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

W15

 

IRQ10

Pins 1 & 2 closed

 

IRQ11

Pins 2 & 3 closed

»

None

Open

EDOUT SELECTION

Setting

W11

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

W12

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.