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# DTK COMPUTER, INC.
KEEN 3304
Processor 80386DX
Processor Speed 33MHz
Chip Set VLSI
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache 64/256KB
BIOS AMI/Award/Phoenix/DTK
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card
NPU Options 80387DX/3167
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Power LED & | J1 | Speaker | J4 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Turbo LED | J2 | Turbo switch | W6 |
|---------------+----------+----------------------+----------|
| Reset switch | J3 | 32-bit external | SL1 |
| | | memory card | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Monitor type select color | SW1/6 | On |
|---+---------------------------+---------------+------------|
| | Monitor type select | SW1/6 | Off |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| » | NPU disabled | W1 | Closed |
|---+---------------------------+---------------+------------|
| | NPU enabled | W1 | Open |
|---+---------------------------+---------------+------------|
| » | Turbo switch select | W6 | pins 1 & 2 |
| | normal (hardware) | | closed |
|---+---------------------------+---------------+------------|
| | Turbo switch select turbo | W6 | Open |
| | (hardware) | | |
|---+---------------------------+---------------+------------|
| | Turbo switch select speed | W6 | pins 2 & 3 |
| | toggled (software) | | closed |
|---+---------------------------+---------------+------------|
| » | BIOS type select 27256 | W7 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | BIOS type select 27512 | W7 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | DMA clock speed select | W8 | Closed |
| | 8MHz | | |
|---+---------------------------+---------------+------------|
| | DMA clock speed select | W8 | Open |
| | 6MHz | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION (MAINBOARD) |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | W2 | W3 |
|------+-------+-------+-------+-------+-------+------+------|
| 1MB | On | On | On | On | On | 2 & | 2 & |
| | | | | | | 3 | 3 |
|------+-------+-------+-------+-------+-------+------+------|
| 2MB | On | On | On | On | On | 2 & | 2 & |
| | | | | | | 3 | 3 |
|------+-------+-------+-------+-------+-------+------+------|
| 4MB | On | On | Off | On | Off | 1 & | 1 & |
| | | | | | | 2 | 2 |
|------+-------+-------+-------+-------+-------+------+------|
| 5MB | Off | On | Off | Off | On | 2 & | 1 & |
| | | | | | | 3 | 2 |
|------+-------+-------+-------+-------+-------+------+------|
| 8MB | Off | On | Off | Off | Off | 1 & | 1 & |
| | | | | | | 2 | 2 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 64KB | (8) 16K x 4 | (2) 16K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (8) 64K x 4 | (2) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W4 | W5 |
|------------------+--------------------+--------------------|
| 64KB | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| DRAM CONFIGURATION (MEMORY CARD) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 0a | Bank 1a | Bank 2a |
|------+----------+----------+----------+----------+---------|
| 3MB | (4) 256K | (4) 256K | (4) 256K | NONE | NONE |
| | x 9 | x 9 | x 9 | | |
|------+----------+----------+----------+----------+---------|
| 4MB | (4) 256K | (4) 256K | (4) 256K | (4) 256K | NONE |
| | x 9 | x 9 | x 9 | x 9 | |
|------+----------+----------+----------+----------+---------|
| 5MB | (4) 1M x | NONE | (4) 256K | NONE | NONE |
| | 9 | | x 9 | | |
|------+----------+----------+----------+----------+---------|
| 6MB | (4) 1M x | NONE | (4) 256K | (4) 256K | NONE |
| | 9 | | x 9 | x 9 | |
|------+----------+----------+----------+----------+---------|
| 7MB | (4) 256K | (4) 1M x | (4) 256K | (4) 256K | NONE |
| | x 9 | 9 | x 9 | x 9 | |
|------+----------+----------+----------+----------+---------|
| 7MB | (4) 1M x | NONE | (4) 256K | (4) 256K | (4) |
| | 9 | | x 9 | x 9 | 256K x |
| | | | | | 9 |
|------+----------+----------+----------+----------+---------|
| 8MB | (4) 1M x | NONE | (4) 1M x | NONE | NONE |
| | 9 | | 9 | | |
|------+----------+----------+----------+----------+---------|
| 8MB | (4) 256K | (4) 1M x | (4) 256K | (4) 256K | (4) |
| | x 9 | 9 | x 9 | x 9 | 256K x |
| | | | | | 9 |
|------+----------+----------+----------+----------+---------|
| 9MB | (4) 1M x | (4) 1M x | (4) 256K | NONE | NONE |
| | 9 | 9 | x 9 | | |
|------+----------+----------+----------+----------+---------|
| 9MB | (4) 256K | (4) 1M x | (4) 1M x | NONE | NONE |
| | x 9 | 9 | 9 | | |
|------+----------+----------+----------+----------+---------|
| 10MB | (4) 1M x | (4) 1M x | (4) 256K | (4) 256K | NONE |
| | 9 | 9 | x 9 | x 9 | |
|------+----------+----------+----------+----------+---------|
| 10MB | (4) 256K | (4) 256K | (4) 1M x | (4) 1M x | NONE |
| | x 9 | x 9 | 9 | 9 | |
|------+----------+----------+----------+----------+---------|
| 11MB | (4) 1M x | (4) 1M x | (4) 256K | (4) 256K | (4) |
| | 9 | 9 | x 9 | x 9 | 256K x |
| | | | | | 9 |
|------+----------+----------+----------+----------+---------|
| 12MB | (4) 1M x | (4) 1M x | (4) 1M x | NONE | NONE |
| | 9 | 9 | 9 | | |
|------+----------+----------+----------+----------+---------|
| 13MB | (4) 256K | (4) 1M x | (4) 1M x | (4) 1M x | NONE |
| | x 9 | 9 | 9 | 9 | |
|------+----------+----------+----------+----------+---------|
| 14MB | (4) 256K | (4) 256K | (4) 1M x | (4) 1M x | (4) 1M |
| | x 9 | x 9 | 9 | 9 | x 9 |
|------+----------+----------+----------+----------+---------|
| 16MB | (4) 1M x | (4) 1M x | (4) 1M x | (4) 1M x | NONE |
| | 9 | 9 | 9 | 9 | |
|------+----------+----------+----------+----------+---------|
| 16MB | (4) 1M x | NONE | (4) 1M x | (4) 1M x | (4) 1M |
| | 9 | | 9 | 9 | x 9 |
|------------------------------------------------------------|
| Note: Banks 0 & 1 are located on the mainboard. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION (MEMORY CARD) |
|------------------------------------------------------------|
|Size |SW1/1 |SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|SW1/9|
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 3MB | On | On | Off | Off | On | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 4MB | On | On | Off | Off | On | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 5MB | On | On | Off | On | Off | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 6MB | On | On | Off | On | Off | Off | Off | On | On |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 7MB | On | On | Off | On | Off | On | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 7MB | On | On | Off | On | Off | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 8MB | On | Off | Off | On | Off | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 8MB | On | On | Off | On | Off | On | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 9MB | On | On | On | Off | Off | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
| 9MB | On | Off | Off | On | Off | On | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|10MB | On | On | On | Off | Off | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|10MB | On | Off | Off | Off | On | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|11MB | On | On | On | Off | Off | Off | Off | On | On |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|12MB | On | Off | Off | On | Off | Off | Off | On | On |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|13MB | On | Off | Off | On | Off | On | Off | On | On |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|14MB | On | Off | Off | Off | On | Off | Off | On | Off |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|16MB | On | Off | On | Off | Off | Off | Off | On | On |
|-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
|16MB | On | Off | Off | On | Off | Off | Off | On | Off |
|------------------------------------------------------------|
| Note: These jumper settings correspond exactly with the|
| above DRAM configuration table. SW1/10 is not used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION (MEMORY CARD) |
|------------------------------------------------------------|
| Size | W1 | W2 | W3 |
|-------------+----------------+--------------+--------------|
| 256K x 9 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|-------------+----------------+--------------+--------------|
| 1M x 9 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|------------------------------------------------------------|
| Note:These jumpers correspond to the type of memory used |
| in the memory card. |
+------------------------------------------------------------+