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VIPER 804

TEKNOR INDUSTRIAL COMPUTERS, INC.

VIPER 804

Processor

80386SX/CX486SLC/TI486SLC

Processor Speed

33MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

16MB

Maximum Video Memory

None

Cache

512/1024KB

BIOS

Unidentified

Dimensions

Unidentified

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (3), PC/104 interfaces (2)

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Parallel port

J7

Floppy drive interface

J2

External battery

J8

Keyboard, speaker, reset, LED

J3

Serial port 1 - internal

J9

Serial port 2

J4

PS/2 mouse interface

J10

Power connector

J5

PC/104 connectors

P1 & P2

Serial port 1 - external

J6

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

BIOS boot select normal boot

J11

Open

 

BIOS boot select emergency boot

J11

Closed

 

External battery connected to J8

W1

Pins 1 & 2 closed

 

External battery connected to J5

W1

Pins 2 & 3 closed

Power fail monitoring disabled

W3

Open

 

Power fail monitoring enabled

W3

Closed

IOCHRDY signal to IDE interface disabled

W4

Open

 

IOCHRDY signal to IDE interface enabled

W4

Closed

Watchdog timer enabled

W5

Closed

 

Watchdog timer disabled

W5

Open

Flash BIOS write enabled

W6

Closed

 

Flash BIOS write disabled

W6

Open

Flash disk write enabled

W7

Closed

 

Flash disk write disabled

W7

Open

Battery type select internal

W10

Pins 1 & 2 closed

 

Battery type select external

W10

Pins 2 & 3 closed

Power failure detection source external power fail (pin 6 on J5)

W11

Pins 1 & 2 closed

 

Power failure detection source internal/external battery <3v

W11

Pins 2 & 3 closed

SYSCLK select 8MHz (asynchronous)

W18

Closed

 

SYSCLK select programmed in BIOS setup (synchronous)

W18

Open

Parallel port IRQ select IRQ7

W20

Pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

W20

Pins 1 & 2 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

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

16MB

(2) 4M x 9

(2) 4M x 9

SOLID STATE DISK CONFIGURATION

Note: To increase the size of the SSD, install upgrade in U13.

DMA CHANNEL SELECTION

Channel

W21

W22

None

Open

Open

 

1

Pins 1 & 2 closed

Pins 1 & 2 closed

 

3

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 LOOPBACK SELECTION

Setting

W12

W13

Normal

Open

Open

 

Loopback

Closed

Closed

SERIAL PORT 2 SELECTION

Setting

W14

W15

W16

W17

RS-232

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

RS-485

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

FLOPPY DRIVE EDOUT SELECTION

Setting

W9

Left to software

Open

 

Ground to pin 17 on J3

Pins 2 & 4 closed

 

Ground to pin 29 on J3

Pins 3 & 4 closed

 

EDOUT to pin 29 on J3

Pins 1 & 3 closed

 

EDOUT to pin 17 on J3

Pins 1 & 2 closed

FLOPPY DRIVE HDOUT SELECTION

Setting

W8

Left to software

Open

 

Ground to pin 27 on J3

Pins 2 & 4 closed

 

Ground to pin 33 on J3

Pins 3 & 4 closed

 

HDOUT to pin 33 on J3

Pins 1 & 3 closed

 

HDOUT to pin 27 on J3

Pins 1 & 2 closed

BASE I/O SELECTION

Address

W19

190H

Pins 1 & 2, 3 & 4 closed

 

290H

Pins 1 & 2 closed

 

390H

Pins 3 & 4 closed

 

390H

Open

EXTENDED BIOS MODE SELECTION

Setting

W2

 

VT100

Pins 5 & 6 closed

 

Serial download

Pins 7 & 8 closed

Standard mode

Pins 5 & 6 closed

Normal mode

Pins 7 & 8 closed