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# DTK COMPUTER, INC.
PTM-1010
Processor 80286 (exact location unknown)
Processor Speed 10MHz
Chip Set Unidentified
Max. Onboard DRAM 1MB
Cache None
BIOS DTK
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Speaker | J3 | Turbo LED | JP1 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J4 | Turbo switch | JP3 |
|---------------------+----------+----------------+----------|
| External battery | J18 | Reset switch | JP4 |
+------------------------------------------------------------+
/
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+--------+-------------|
| » | BIOS type select 27128 | J2 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | BIOS type select 27256 | J2 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| » | Wait state select 0 wait states | JP2 | Closed |
|---+---------------------------------+--------+-------------|
| | Wait state select 1 wait state | JP2 | Open |
|---+---------------------------------+--------+-------------|
| » | Monitor type select monochrome | S1 | pins 1 & 2 |
| | | | closed |
|---+---------------------------------+--------+-------------|
| | Monitor type select color | S1 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 512KB | (9) 41256 | (9) 41256 | NONE | NONE |
|--------+------------+------------+------------+------------|
| 640KB | (9) 41256 | (9) 41256 | (9) 4164 | (9) 4164 |
|--------+------------+------------+------------+------------|
| 640KB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 |
|--------+------------+------------+------------+------------|
| 1MB | (9) 41256 | (9) 41256 | (9) 41256 | (9) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | S2 | S3 |
|------------------+--------------------+--------------------|
| 512KB | N/A | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 640KB | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 640KB | pins 2 & 3 closed | N/A |
|------------------+--------------------+--------------------|
| 1MB | pins 1 & 2 closed | N/A |
+------------------------------------------------------------+