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# DTK COMPUTER, INC.
PTI-206B
Category Video
Video Types Supported EGA
Video Processor Unidentified
Highest Resolution Supported 640 x 350
Data Bus Type 8-bit ISA
Memory Type DRAM
Maximum Onboard Memory 256KB
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| 32-pin feature | CN1 | 25-pin parallel | CN3 |
| connector | | port | |
|--------------------+----------+-----------------+----------|
| 9-pin digital | CN2 | Light pen | P1 |
| video port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| » LPT/Address | JP1 | JP2 |
|------------------+--------------------+--------------------|
| » | LPT1/378h | 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| » | LPT2/278h | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONOCHROME DISPLAY |
|------------------------------------------------------------|
| Setting | JP3 |
|-------------------------------+----------------------------|
| MDA mode | Open |
|-------------------------------+----------------------------|
| Hercules mode | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE |
|------------------------------------------------------------|
| » Setting | JP4 |
|----------------------------+-------------------------------|
| » | Color | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| » | Monochrome | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PRIMARY ADAPTER SETTINGS |
|------------------------------------------------------------|
| » Primary | Secondary | SW1/1 | SW1/2 |SW1/3 |SW1/4 |
|----------------+-------------+-------+-------+------+------|
|»| 640 x 350 | Monochrome | Off | On | On | Off |
|-+--------------+-------------+-------+-------+------+------|
|»| 40 x 25 text | Monochrome | On | Off | Off | On |
|-+--------------+-------------+-------+-------+------+------|
|»| 80 x 25 text | Monochrome | Off | Off | Off | On |
|-+--------------+-------------+-------+-------+------+------|
|»| 640 x 200 | Monochrome | On | On | On | Off |
|-+--------------+-------------+-------+-------+------+------|
|»| Monochrome |40 x 25 text | On | Off | On | Off |
|-+--------------+-------------+-------+-------+------+------|
|»| Monochrome |80 x 25 text | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SECONDARY ADAPTER SETTINGS |
|------------------------------------------------------------|
| Secondary | Primary | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|--------------+-------------+-------+-------+-------+-------|
| 40 x 25 text | Monochrome | On | On | On | On |
|--------------+-------------+-------+-------+-------+-------|
| 80 x 25 text | Monochrome | Off | On | On | On |
|--------------+-------------+-------+-------+-------+-------|
| 640 x 200 | Monochrome | On | Off | On | On |
|--------------+-------------+-------+-------+-------+-------|
| 640 x 350 | Monochrome | Off | Off | On | On |
|--------------+-------------+-------+-------+-------+-------|
| Monochrome | 40 x 25 | On | On | Off | On |
| | text | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Monochrome | 80 x 25 | Off | On | Off | On |
| | text | | | | |
+------------------------------------------------------------+