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VIPER801

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.