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# ESCOM AG
GRAPHICS ACCELERATOR VGA (P/N 2150/2150D)
Category Video
Video Types Supported XVGA
Video Processor 86C911
Highest Resolution Supported 1280 x 1024
Data Bus Type 16-bit ISA
Memory Type VRAM
Maximum Onboard Memory 1MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------------+----------+-------------+----------|
| 15-pin analog video | CN1 | VGA feature | CN2 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY RESOLUTION SELECTION |
|------------------------------------------------------------|
| Resolution | Vertical | Horizon | SW1/1 | SW1/2 | SW1/3 |
| | Refresh | Refresh | | | |
|--------------+----------+----------+-------+-------+-------|
| 640 x 480 | 60Hz | 31.5KHz | Off | Off | Off |
|--------------+----------+----------+-------+-------+-------|
| 640 x 480 | 73Hz | 38KHz | Off | Off | On |
|--------------+----------+----------+-------+-------+-------|
| 800 x 600 | 60Hz | 37.9KHz | Off | On | Off |
|--------------+----------+----------+-------+-------+-------|
| 800 x 600 | 72Hz | 48KHz | Off | On | On |
|--------------+----------+----------+-------+-------+-------|
| 800 x 600 | 56Hz | 35.5KHz | On | Off | Off |
|--------------+----------+----------+-------+-------+-------|
| 1024 x 768 | 43.5Hz | 35.5KHz | On | Off | On |
| interlaced | | | | | |
|--------------+----------+----------+-------+-------+-------|
| 1024 x 768 | 60Hz | 48.5KHz | On | On | Off |
|--------------+----------+----------+-------+-------+-------|
| 1024 x 768 | 70Hz | 56.5KHz | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISLAY MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Memory | JP6 |
|----------------------------+-------------------------------|
| 512KB | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 1MB | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ANALOG MONITOR SENSE SOURCE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP4 |
|----------------------------------------+-------------------|
| » | Use monitor ID to drive sense line | Pins 1 & 2 closed |
|---+------------------------------------+-------------------|
| | Use color detect logic to drive | Pins 2 & 3 closed |
| | sense line | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT CONFIGURATION |
|------------------------------------------------------------|
| IRQ 2/9 | JP2 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ISA BUS SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP1 | JP7 |
|--------------------+-------------------+-------------------|
| » | 6MHz or 8MHz | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+----------------+-------------------+-------------------|
| | 10MHz or 12MHz | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM CONFIGURATION |
|------------------------------------------------------------|
| Memory | Bank 0 (U2, U4, U6, U8) | Bank 1 (U1, U3, U5, U7) |
|--------+-------------------------+-------------------------|
| 512KB | (4) 256K x 4 ZIP | NONE |
|--------+-------------------------+-------------------------|
| 1MB | (4) 256K x 4 ZIP | (4) 256K x 4 ZIP |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| The P/N 2150 comes with a 55MHz oscillator on board while |
| the P/N 2150D does not. |
+------------------------------------------------------------+