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# STB SYSTEMS, INC.
MVP-2
Card Type Video card
Video Chip Set Tseng Labs ET4000
Highest Resolution Supported 1280 x 1024
Maximum Video Memory 2MB DRAM
I/O Options Bus mouse port
Data Bus 16-bit ISA
Video Types Supported XVGA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|---------------------+-------+----------------------+-------|
| VGA port 1 - 15-pin | CN1 | VGA feature | CN4 |
| | | connector for | |
| | | channel 1 | |
|---------------------+-------+----------------------+-------|
| Bus mouse port | CN2 | VGA feature | CN5 |
| | | connector for | |
| | | channel 2 | |
|---------------------+-------+----------------------+-------|
| VGA port 2 - 15-pin | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | Zero wait states enabled | J1 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Zero wait states disabled | J1 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Video BIOS uses 16-bit data | J2 | Pins 2 & |
| | transfer | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Video BIOS uses 8-bit data | J2 | Pins 1 & |
| | transfer | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Card uses 16-bit data transfer | J3 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Card uses 8-bit data transfer | J3 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | VPU runs at 50MHz | J4 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | VPU runs at 40MHz | J4 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Bus mouse enabled | J8 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Bus mouse disabled | J8 | Pins 1 & |
| | | | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VERTICAL REFRESH RATE |
|------------------------------------------------------------|
| Resolution | Refresh Rate | J5 |
|------------------+--------------------+--------------------|
| » | 640 x 480 | 60Hz | Pins 2 & 3 closed |
|----+-------------+--------------------+--------------------|
| » | 800 x 600 | 56Hz | Pins 2 & 3 closed |
|----+-------------+--------------------+--------------------|
| » | 1024 x 768 | 43Hz (interlaced) | Pins 2 & 3 closed |
|----+-------------+--------------------+--------------------|
| | 640 x 480 | 72Hz | Pins 1 & 2 closed |
|----+-------------+--------------------+--------------------|
| | 800 x 600 | 72Hz | Pins 1 & 2 closed |
|----+-------------+--------------------+--------------------|
| | 1024 x 768 | 65Hz | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOARD NUMBER |
|------------------------------------------------------------|
| Board | J6 | J7 |
|------------------+--------------------+--------------------|
| » | 1 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 2 | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 3 | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 4 | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS MOUSE INTERRUPT |
|------------------------------------------------------------|
| Setting | W1 | W2 |
|------------------------+-----------------+-----------------|
| | IR/FONT> | Closed | Open |
|---+--------------------+-----------------+-----------------|
| » | IRQ5 | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM - CHANNEL 1 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128KB | NONE |
|------------------+--------------------+--------------------|
| 1MB | (4) 128KB | (4) 128KB |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM - CHANNEL 2 |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128KB | NONE |
|------------------+--------------------+--------------------|
| 1MB | (4) 128KB | (4) 128KB |
+------------------------------------------------------------+