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# DTK COMPUTER, INC.
PTI-218B
Category Video
Video Types Supported CGA/EGA/Monochrome/VGA/XVGA
Video Processor SMART
Highest Resolution Supported 1024 x 768
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 512KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------------+----------+-------------+----------|
| 9-pin analog video | CN1 | VGA feature | CN3 |
| port | | connector | |
|------------------------+----------+-------------+----------|
| 15-pin analog video | CN2 | | |
| port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO DISPLAY SELECTION |
|------------------------------------------------------------|
| Display | J1 |
|----------------------------+-------------------------------|
| » | EGA, VGA | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | MDA, CGA | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS BUS SIZE SETLECTION |
|------------------------------------------------------------|
| Setting | J2 | SW1/6 |
|---------------------------------------+------------+-------|
| » | Auto Detection for AT or | Pins 2 & 3 | On |
| | compatibles | closed | |
|---+-----------------------------------+------------+-------|
| | Auto Detection for COMPAQ, | Pins 1 & 2 | On |
| | Micronics systems | closed | |
|---+-----------------------------------+------------+-------|
| | Force to 8-bit BIOS | Open | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ9 | J3 |
|----------------------------------+-------------------------|
| » | Disabled | Open |
|-----+----------------------------+-------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE SELECTION |
|------------------------------------------------------------|
| Type |SW1/switch|SW1/switch|SW1/switch|SW1/switch|
| | 1 | 2 | 3 | 4 |
|----------------+----------+----------+----------+----------|
|»| VGA or | On | On | On | On |
| | Multi-sync | | | | |
|-+--------------+----------+----------+----------+----------|
| | EGA | Off | On | On | On |
|-+--------------+----------+----------+----------+----------|
| | CGA | On | Off | On | On |
|-+--------------+----------+----------+----------+----------|
| | MDA | Off | Off | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY ADDRESS DECODING CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/5 |
|-----------------------------------+------------------------|
| » | Fast | Off |
|----------+------------------------+------------------------|
| | Slow | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 256KB | (8) 41256 | None |
|------------------+--------------------+--------------------|
| 512KB | (8) 41256 | (8) 41256 |
+------------------------------------------------------------+