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# AITECH INTERNATIONAL CORPORATION
PROVGA/TV PLUS
Category Video/Sound
Video Types Supported VGA
Video Processor Aitech International
Highest Resolution Supported 640 x 480
Data Bus Type 16-bit ISA
Memory Type VRAM
Maximum Onboard Memory 512KB (location unidentified)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| S-VHS output | CN1 | VESA feature | CN5 |
| connector | | connector | |
|---------------+----------+----------------------+----------|
| RCA jack - | CN2 | Sync adjustment | VR5 |
| video output | | potentiometer | |
|---------------+----------+----------------------+----------|
| S-VHS input | CN3 | Color adjustment | VR6 |
| connector | | potentiometer | |
|---------------+----------+----------------------+----------|
| RCA port - | CN4 | | |
| video input | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 | SW14 |
|--------------+-----------+-----------+-----------+---------|
| » | 360h | Off | On | Off | Off |
|---+----------+-----------+-----------+-----------+---------|
| | 200h | On | On | On | On |
|---+----------+-----------+-----------+-----------+---------|
| | 220h | On | On | On | Off |
|---+----------+-----------+-----------+-----------+---------|
| | 240h | On | On | Off | On |
|---+----------+-----------+-----------+-----------+---------|
| | 260h | On | On | Off | Off |
|---+----------+-----------+-----------+-----------+---------|
| | 280h | On | Off | On | On |
|---+----------+-----------+-----------+-----------+---------|
| | 2A0h | On | Off | On | Off |
|---+----------+-----------+-----------+-----------+---------|
| | 2C0h | On | Off | Off | On |
|---+----------+-----------+-----------+-----------+---------|
| | 2E0h | On | Off | Off | Off |
|---+----------+-----------+-----------+-----------+---------|
| | 300h | Off | On | On | On |
|---+----------+-----------+-----------+-----------+---------|
| | 320h | Off | On | On | Off |
|---+----------+-----------+-----------+-----------+---------|
| | 340h | Off | On | Off | On |
|---+----------+-----------+-----------+-----------+---------|
| | 380h | Off | Off | On | On |
|---+----------+-----------+-----------+-----------+---------|
| | 3A0h | Off | Off | On | Off |
|---+----------+-----------+-----------+-----------+---------|
| | 3C0h | Off | Off | Off | On |
|---+----------+-----------+-----------+-----------+---------|
| | 3E0h | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP4 | JP5 | JP6 | JP7 | JP8 | JP9 |
|---------+--------+--------+--------+-------+-------+-------|
|»| IRQ12 | Closed | Open | Open | Open | Open | Open |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ15 | Open | Closed | Open | Open | Open | Open |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ9 | Open | Open | Closed | Open | Open | Open |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ7 | Open | Open | Open |Closed | Open | Open |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ14 | Open | Open | Open | Open |Closed | Open |
|-+-------+--------+--------+--------+-------+-------+-------|
| | IRQ5 | Open | Open | Open | Open | Open |Closed |
+------------------------------------------------------------+