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# TEKNOR INDUSTRIAL COMPUTERS, INC.
VIPER821
Device Type Single board computer
Processor AM K6/Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/200/233MHz
Chip Set Intel 430HX
Video Chip Set Cirrus Logic
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video Unidentified
Memory
Cache 512KB
BIOS Unidentified
Dimensions 185mm x 122mm
I/O Options Ethernet 10BaseT connector, floppy drive
interface, IDE interface, parallel port, PS/2
mouse interface, serial ports (2), VGA port,
VGA interface, PC/104 connectors (2), USB
connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| IDE interface | J1 | Power | J11 |
| | | connector | |
|---------------------+----------+----------------+----------|
| Floppy drive | J2 | Flash disk | J12 |
| interface | | connector | |
|---------------------+----------+----------------+----------|
| Keyboard/speaker | J3 | VGA port | J13 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Serial port 2 | J4 | PS/2 mouse | J14 |
| | | interface | |
|---------------------+----------+----------------+----------|
| Parallel port | J5 | Ethernet | J15 |
| | | 10BaseT | |
| | | connector | |
|---------------------+----------+----------------+----------|
| Flat panel | J6 | Chassis fan | J16 |
| connector | | power | |
|---------------------+----------+----------------+----------|
| VGA interface | J7 | USB connector | J17 |
|---------------------+----------+----------------+----------|
| Flat panel | J8 | PC/104 | P1 |
| connector | | connector | |
|---------------------+----------+----------------+----------|
| Serial port 1 | J9 | Regulator | P2 |
| | | connector | |
|---------------------+----------+----------------+----------|
| Power connector | J10 | PC/104 | P3 |
| | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+----------+------------|
| » | Watchdog timer enabled | W8 | Closed |
|---+--------------------------------+----------+------------|
| | Watchdog timer disabled | W8 | Open |
|---+--------------------------------+----------+------------|
| » | Non maskable IRQ on power fail | W9 | Open |
| | output disabled | | |
|---+--------------------------------+----------+------------|
| | Non maskable IRQ on power fail | W9 | Closed |
| | output enabled | | |
|---+--------------------------------+----------+------------|
| » | Battery disabled | W10 | Open |
|---+--------------------------------+----------+------------|
| | Battery type select internal | W10 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Battery type select external | W10 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Power failure select external | W11 | Pins 1 & 2 |
| | power fail input to pin 6 on | | closed |
| | J11 | | |
|---+--------------------------------+----------+------------|
| | Power failure select | W11 | Pins 2 & 3 |
| | internal/external batter when | | closed |
| | < 3v | | |
|---+--------------------------------+----------+------------|
| » | Flat panel voltage select 5v | W12 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Flat panel voltage select 3.3v | W12 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W13/pins | Open |
| | alter | 1 & 2 | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | W13/pins | Open |
| | alter | 3 & 4 | |
|---+--------------------------------+----------+------------|
| » | On board video enabled | W13/pins | Closed |
| | | 5 & 6 | |
|---+--------------------------------+----------+------------|
| | On board video disabled | W13/pins | Open |
| | | 5 & 6 | |
|---+--------------------------------+----------+------------|
| » | CPU < 233MHz | W13/pins | Open |
| | | 7 & 8 | |
|---+--------------------------------+----------+------------|
| | CPU > 233MHz | W13/pins | Closed |
| | | 7 & 8 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
|----------------------------+-------------------------------|
| 128MB | (2) 16M x 36 |
|----------------------------+-------------------------------|
| 256MB | (2) 32M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the cache is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the video memory is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| W1 | W2 | W3 | W4 | W5 |
| speed | speed | | | | | | |
|-------+--------+----------+------+----+------+------+------|
|166MHz | 66MHz | 2.5x |Closed|Open|Closed|Closed|Closed|
|-------+--------+----------+------+----+------+------+------|
|200MHz | 66MHz | 3x |Closed|Open|Closed|Closed| Open |
|-------+--------+----------+------+----+------+------+------|
|233MHz | 66MHz | 3.5x | Open |Open|Closed|Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU |Clock |Multiplier| W1 | W2 | W3 | W4 | W5 |
| speed |speed | | | | | | |
|-------+------+----------+------+------+------+------+------|
| 75MHz |50MHz | 1.5x | Open |Closed|Closed| Open | Open |
|-------+------+----------+------+------+------+------+------|
| 90MHz |60MHz | 1.5x | Open |Closed| Open | Open | Open |
|-------+------+----------+------+------+------+------+------|
|100MHz |66MHz | 1.5x | Open | Open |Closed|Closed| Open |
|-------+------+----------+------+------+------+------+------|
|120MHz |60MHz | 2x | Open |Closed| Open | Open |Closed|
|-------+------+----------+------+------+------+------+------|
|133MHz |66MHz | 2x | Open | Open |Closed|Closed|Closed|
|-------+------+----------+------+------+------+------+------|
|150MHz |60MHz | 2.5x |Closed|Closed| Open | Open |Closed|
|-------+------+----------+------+------+------+------+------|
|166MHz |66MHz | 2.5x |Closed| Open |Closed|Closed|Closed|
|-------+------+----------+------+------+------+------+------|
|200MHz |66MHz | 3x |Closed| Open |Closed|Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| W1 | W2 | W3 | W4 | W5 |
| speed | speed | | | | | | |
|-------+--------+----------+------+----+------+------+------|
|166MHz | 66MHz | 2.5x |Closed|Open|Closed|Closed|Closed|
|-------+--------+----------+------+----+------+------+------|
|200MHz | 66MHz | 3x |Closed|Open|Closed|Closed| Open |
|-------+--------+----------+------+----+------+------+------|
|233MHz | 66MHz | 3.5x | Open |Open|Closed|Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 SELECTION |
|------------------------------------------------------------|
| Setting | W6 | W7 |
|-------------------------------------+-----------+----------|
| Termination resistors not installed | Open | Open |
|-------------------------------------+-----------+----------|
| Termination resistors installed | Closed | Closed |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| Regulator connector | P2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | W1 | W2 |
|-----------+-------------+------------+--------------+------|
| 166MHz | 66MHz | 2.5x | 3 & 5, 4 & 6 | Open |
|-----------+-------------+------------+--------------+------|
| 200MHz | 66MHz | 3x | 3 & 5, 4 & 6 | Open |
|-----------+-------------+------------+--------------+------|
| 233MHz | 66MHz | 3.5x | 3 & 5, 4 & 6 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6, CON’T) |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier|W3/pins|W3/pins|W3/pins|W3/pins|W3/pins|
|speed |speed| | | | | | |
| | | | 1 & 2 | 3 & 4 | 5 & 6 | 7 & 8 |9 & 10 |
|------+-----+----------+-------+-------+-------+-------+-------|
|166MHz|66MHz| 2.5x |Closed | Open | Open |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|200MHz|66MHz| 3x |Closed | Open | Open |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|233MHz|66MHz| 3.5x | Open | Open |Closed |Closed | Open |
+---------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | W1 | W2 |
|-----------+-------------+------------+------------+--------|
| 100MHz | 66MHz | 1.5x | 1 & 3, 2 & | Closed |
| | | | 4 | |
|-----------+-------------+------------+------------+--------|
| 120MHz | 60MHz | 2x | 1 & 3, 2 & | Closed |
| | | | 4 | |
|-----------+-------------+------------+------------+--------|
| 133MHz | 66MHz | 2x | 1 & 3, 2 & | Closed |
| | | | 4 | |
|-----------+-------------+------------+------------+--------|
| 150MHz | 60MHz | 2.5x | 1 & 3, 2 & | Closed |
| | | | 4 | |
|-----------+-------------+------------+------------+--------|
| 166MHz | 66MHz | 2.5x | 1 & 3, 2 & | Closed |
| | | | 4 | |
|-----------+-------------+------------+------------+--------|
| 200MHz | 66MHz | 3x | 1 & 3, 2 & | Closed |
| | | | 4 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, CON’T) |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier|W3/pins|W3/pins|W3/pins|W3/pins|W3/pins|
|speed |speed| | | | | | |
| | | | 1 & 2 | 3 & 4 | 5 & 6 | 7 & 8 |9 & 10 |
|------+-----+----------+-------+-------+-------+-------+-------|
|100MHz|66MHz| 1.5x |Closed | Open |Closed |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|120MHz|60MHz| 2x |Closed | Open |Closed |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|133MHz|66MHz| 2x |Closed | Open |Closed |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|150MHz|60MHz| 2.5x |Closed | Open |Closed |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|166MHz|66MHz| 2.5x |Closed | Open |Closed |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|200MHz|66MHz| 3x |Closed | Open |Closed |Closed | Open |
+---------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | W1 | W2 |
|-----------+-------------+------------+--------------+------|
| 166MHz | 66MHz | 2.5x | 3 & 5, 4 & 6 | Open |
|-----------+-------------+------------+--------------+------|
| 200MHz | 66MHz | 3x | 3 & 5, 4 & 6 | Open |
|-----------+-------------+------------+--------------+------|
| 233MHz | 66MHz | 3.5x | 3 & 5, 4 & 6 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX, CON’T) |
|---------------------------------------------------------------|
| CPU |Clock|Multiplier|W3/pins|W3/pins|W3/pins|W3/pins|W3/pins|
|speed |speed| | | | | | |
| | | | 1 & 2 | 3 & 4 | 5 & 6 | 7 & 8 |9 & 10 |
|------+-----+----------+-------+-------+-------+-------+-------|
|166MHz|66MHz| 2.5x | Open | Open | Open |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|200MHz|66MHz| 3x | Open | Open | Open |Closed | Open |
|------+-----+----------+-------+-------+-------+-------+-------|
|233MHz|66MHz| 3.5x | Open | Open | Open |Closed | Open |
+---------------------------------------------------------------+