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# 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 16MB
Memory
Maximum Video 1MB
Memory
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
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| IDE interface | J1 | Serial port 1 | J7 |
|---------------------+----------+----------------+----------|
| Floppy drive | J2 | Power | J8 |
| interface | | connector | |
|---------------------+----------+----------------+----------|
| Multifunction | J3 | VGA port | J10 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Serial port 2 | J4 | Parallel port | J11 |
|---------------------+----------+----------------+----------|
| SCSI interface | J5 | PC/104 | P1 |
| | | connector | |
|---------------------+----------+----------------+----------|
| Flat panel | J6 | PC/104 | P2 |
| connector | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | W6 | Open |
| | interface disabled | | |
|---+------------------------------+----------+--------------|
| | IOCHRDY signal to IDE | W6 | Closed |
| | interface enabled | | |
|---+------------------------------+----------+--------------|
| » | Power fail monitoring | W7 | Open |
| | disabled | | |
|---+------------------------------+----------+--------------|
| | Power fail monitoring | W7 | Closed |
| | enabled | | |
|---+------------------------------+----------+--------------|
| » | 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 | W10 | Pins 1 & 2 |
| | external power fail input to | | closed |
| | pin 6 on J8 | | |
|---+------------------------------+----------+--------------|
| | Power failure select | W10 | Pins 2 & 3 |
| | internal/external battery < | | closed |
| | 3v | | |
|---+------------------------------+----------+--------------|
| » | On board video enabled | W22/pins | Open |
| | | 1 & 2 | |
|---+------------------------------+----------+--------------|
| | On board video disabled | W22/pins | Closed |
| | | 1 & 2 | |
|---+------------------------------+----------+--------------|
| » | Factory configured – do not | W22/pins | Unidentified |
| | alter | 3 & 4 | |
|---+------------------------------+----------+--------------|
| » | Standard mode enabled | W22/pins | Open |
| | | 5 & 6 | |
|---+------------------------------+----------+--------------|
| | VT100 mode enabled | W22/pins | Closed |
| | | 5 & 6 | |
|---+------------------------------+----------+--------------|
| » | Serial normal mode enabled | W22/pins | Open |
| | | 7 & 8 | |
|---+------------------------------+----------+--------------|
| | Serial download mode enabled | W22/pins | Closed |
| | | 7 & 8 | |
|---+------------------------------+----------+--------------|
| » | 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 & | Pins 1 & | Pins 1 & | Pins 1 & |
| | | 2 closed | 2 closed | 2 closed | 2 closed |
|---+--------+-----------+-----------+-----------+-----------|
| | RS-422 | Pins 2 & | Pins 2 & | Pins 2 & | Pins 2 & |
| | | 3 closed | 3 closed | 3 closed | 3 closed |
|---+--------+-----------+-----------+-----------+-----------|
| | RS-485 | Pins 2 & | Pins 2 & | Pins 2 & | Pins 2 & |
| | | 3 closed | 3 closed | 3 closed | 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 | Pins 1 & 3, 2 & 4 closed |
| 17 | |
|---------------------------------+--------------------------|
| EDOUT to pin 17 & ground to pin | Pins 1 & 2, 3 & 4 closed |
| 29 | |
|------------------------------------------------------------|
| 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 | Pins 1 & 3, 2 & 4 closed |
| 27 | |
|---------------------------------+--------------------------|
| HDOUT to pin 27 & ground to pin | Pins 1 & 2, 3 & 4 closed |
| 33 | |
|------------------------------------------------------------|
| Note: The above listed pins are located on J2. |
+------------------------------------------------------------+