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# UNIDENTIFIED
VGA ULTRA
Category Video
Video Types Supported XVGA
Video Processor TVGA 8900C
Highest Resolution Supported 1024 x 768
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 1024KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Location | Purpose |
|-------------------------+----------+-------------+---------|
| 15-pin analog video | CN1 | VGA feature | CN2 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ 2/9 | J1 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR DETECTION SELECTION |
|------------------------------------------------------------|
| Setting | J6 |
|----------------------------------+-------------------------|
| » | Standard monitors | Pins 1 & 2 closed |
|---+------------------------------+-------------------------|
| | Non-standard monitors | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCAN RATE CONFIGURATION |
|------------------------------------------------------------|
| Rate | SW3 |
|-----------------------------------+------------------------|
| » | Default scan rate | Closed |
|---+-------------------------------+------------------------|
| | 48.7Khz scan rate | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS WIDTH AUTODETECT CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW4 |
|-----------------------------------+------------------------|
| » | Enabled | Closed |
|--------+--------------------------+------------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 256KB | (2) 44256 | None |
|------------------+--------------------+--------------------|
| 512KB | (4) 44256 | None |
|------------------+--------------------+--------------------|
| 1024KB | (4) 44256 | (4) 44256 |
+------------------------------------------------------------+