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.  | |