(TXT) View Source
# DTK COMPUTER, INC.
KEEN-4031
Processor 80386DX
Processor Speed 40MHz
Chip Set DTK
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache 64KB
BIOS AMI/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 |
|--------------+----------+-----------------------+----------|
| Reset switch | J1 | Speaker | J4 |
|--------------+----------+-----------------------+----------|
| Turbo LED | J2 | Power LED & keylock | J5 |
|--------------+----------+-----------------------+----------|
| Turbo switch | J3 | 32-bit system memory | SL1 |
| | | card | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| | Turbo switch select | J3 | pins 1 & 2 |
| | normal speed (no cache | | closed |
| | support) | | |
|---+---------------------------+---------------+------------|
| | Turbo switch select turbo | J3 | Open |
| | speed (cache support) | | |
|---+---------------------------+---------------+------------|
| | Turbo switch select | J3 | pins 2 & 3 |
| | through keyboard by | | closed |
| | pressing CTRL, ALT, - | | |
|---+---------------------------+---------------+------------|
| ยป | NPU disabled | J11 | Closed |
|---+---------------------------+---------------+------------|
| | NPU enabled | J11 | Open |
|---+---------------------------+---------------+------------|
| | Monitor type select | SW1/4 | Off |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| | Monitor type select color | SW1/4 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 |
|--------------+---------------+--------------+--------------|
| 1MB | On | On | On |
|--------------+---------------+--------------+--------------|
| 2MB | On | On | On |
|--------------+---------------+--------------+--------------|
| 4MB | On | Off | On |
|--------------+---------------+--------------+--------------|
| 5MB | Off | Off | On |
|--------------+---------------+--------------+--------------|
| 8MB | On | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 64KB cache is factory installed and is not |
| configurable. The location is unidentified. |
+------------------------------------------------------------+