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# IMAGE SHARPENER
MVGA-T8900AS VGA GRAPHICS ADAPTER (VER.1)
Card Type Video card
Video Chip Set Unidentified
Maximum Video Memory 1MB
Video Types Supported VGA, EGA, Monochrome, CGA
Highest Resolution Supported 1024 x 768,
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------+-------+------------------------+-------|
| Feature connector | CN1 | 15-pin analog video | CN2 |
| | | port | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | Factory configured - do not alter | SW1/4 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 256KB | 256KB x 4 | None | None |
|------------+---------------+---------------+---------------|
| 512KB | 256KB x 4 | 256KB x 4 | None |
|------------+---------------+---------------+---------------|
| 1MB | 256KB x 4 | 256KB x 4 | 256KB x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J3 |
|----------------------------+-------------------------------|
| 512KB | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 1MB | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCAN RATE SELECTION |
|------------------------------------------------------------|
| Rate | SW1/3 |
|----------------------------------+-------------------------|
| » | <48KHz | On |
|---+------------------------------+-------------------------|
| | 48 - 49Khz | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDRESS DECODE SPEED SELECTION |
|------------------------------------------------------------|
| Setting | SW1/5 |
|-----------------------------------+------------------------|
| » | Fast address decode | Off |
|---+-------------------------------+------------------------|
| | Slow address decode | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA PATH SELECTION |
|------------------------------------------------------------|
| Setting | SW1/6 |
|-----------------------------------+------------------------|
| » | 16-bit data path | Off |
|---+-------------------------------+------------------------|
| | 8-bit data path | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR COMFIGURATION SELECTION |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 |
|------------------------------+--------------+--------------|
| » | VGA mode | On | On |
|---+--------------------------+--------------+--------------|
| | EGA mode | Off | On |
|---+--------------------------+--------------+--------------|
| | CGA mode | On | Off |
|---+--------------------------+--------------+--------------|
| | Monochrome/Hercules mode | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SIZE SELECTION |
|------------------------------------------------------------|
| Setting | J2 |
|------------------------+-----------------------------------|
| » | Autodetect | Pins 2 & 3 closed |
|---+--------------------+-----------------------------------|
| | Standard interface | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IRQ INTERRUPT SELECTION |
|------------------------------------------------------------|
| Setting | J1 |
|------------------------+-----------------------------------|
| » | IRQ9 disabled | Pins 2 & 3 closed |
|---+--------------------+-----------------------------------|
| | IRQ9 enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+