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# DIAMOND MULTIMEDIA SYSTEMS, INC.
VIPER VLB
Category Video
Video Types Supported XVGA
Video Processor Weitek
Highest Resolution Supported 1280x1024
Data Bus Type 32-bit VESA Local Bus
Memory Type DRAM/VRAM
Maximum Onboard Memory 2MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| 15-pin analog video port | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IRQ2 CONFIGURATION |
|------------------------------------------------------------|
| IRQ2 | JP3 |
|--------------------------------+---------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+----------------------------+---------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ZERO WAIT STATE CONFIGURATON |
|------------------------------------------------------------|
| Setting | JP4 |
|----------------------------------+-------------------------|
| » | Enabled | Closed |
|------+---------------------------+-------------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP5 |
|-------------------------------+----------------------------|
| 2MB | Open |
|-------------------------------+----------------------------|
| 1MB | Closed |
|------------------------------------------------------------|
| Note: On some versions of the card, jumper JP5 may not be |
| present. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONOCHROME CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP2 |
|---------------------------------------------------+--------|
| » | No secondary monochrome adapter present | Closed |
|---+-----------------------------------------------+--------|
| | Secondary monochrome adapter is experiencing | Open |
| | problems | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM/VRAM CONFIGURATION |
|------------------------------------------------------------|
| The Viper VLB comes in 1MB or 2MB versions. The exact |
| configuration of VRAM and DRAM is unidentified. |
+------------------------------------------------------------+