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# STB SYSTEMS, INC.
NITRO 64 ISA
Category Video
Video Types Supported XVGA
Video Processor Unidentified
Highest Resolution Supported 1280 x 1024
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 2MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------------+----------+-------------+----------|
| 15-pin analog video | CN1 | VGA feature | CN2 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ZERO WAIT-STATE MEMORY SELECTION |
|------------------------------------------------------------|
| Setting | J1 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ 2 | J2 |
|----------------------------+-------------------------------|
| » | Disabled | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Enabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (2) 1024 x 4 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (2) 1024 x 4 | (2) 1024 x 4 |
+------------------------------------------------------------+