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# NUMBER NINE VISUAL TECHNOLOGY
#9GXITC
Category Video
Video Types Supported XVGA
Video Processor TMS34020
Highest Resolution Supported 1280 X 1024
Data Bus Type 16-bit ISA
Memory Type DRAM/VRAM
Maximum Onboard Memory 4096KB DRAM/4096KB VRAM
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| 15-pin analog | CN1 | External VGA | CN3 |
| video port | | loop-through | |
| | | connector | |
|---------------+----------+----------------------+----------|
| 15-pin analog | CN2 | Self-test LED | LED |
| video port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 |
|-------------------+-------------+-------------+------------|
| » | 2A0h - 2AFh | On | Off | On |
|---+---------------+-------------+-------------+------------|
| | 280h - 28Fh | On | On | On |
|---+---------------+-------------+-------------+------------|
| | 290h - 29Fh | On | On | Off |
|---+---------------+-------------+-------------+------------|
| | 2B0h - 2BFh | On | Off | Off |
|---+---------------+-------------+-------------+------------|
| | 2C0h - 2CFh | Off | On | Off |
|---+---------------+-------------+-------------+------------|
| | 2D0h - 2DFh | Off | On | Off |
|---+---------------+-------------+-------------+------------|
| | 2E0h - 2EFh | Off | On | On |
|---+---------------+-------------+-------------+------------|
| | Reserved | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | SW1/5 |
|-----------------------------------------+------------------|
| Single monitor: #9GXi with on-board VGA | On |
|-----------------------------------------+------------------|
| Single monitor #9gxi with external VGA | Off |
|-----------------------------------------+------------------|
| Dual monitor: #9GXi with on-board VGA | On |
|-----------------------------------------+------------------|
| Dual monitor #9gxi with external VGA | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VGA BIOS TRANSFER CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/6 |
|--------------------------------------------+---------------|
| » | Access BIOS data in word mode (16-bit) | On |
|---+----------------------------------------+---------------|
| | Access BIOS data in byte mode (8-bit) | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONOCHROME EMULATION CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/7 |
|------------------------------------+-----------------------|
| » | Disabled | Off |
|--------+---------------------------+-----------------------|
| | Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEM 16 DECODE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JM1 |
|----------------------------------------+-------------------|
| » | Use low and high-order address | Pins 2 & 3 closed |
| | signals | |
|---+------------------------------------+-------------------|
| | Use only high-order address | Pins 1 & 2 closed |
| | signals | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O 16 SIGNAL CONFIGURATION |
|------------------------------------------------------------|
| Signal | JM2 |
|-----------------------------------+------------------------|
| » | Unqualified | Open |
|----+------------------------------+------------------------|
| | Qualified | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Switch | Position |
|-------------------------------+----------------------------|
| SW1/switch 4 | On |
|-------------------------------+----------------------------|
| SW1/switch 8 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM /VRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | DRAM | JM3 |
|------------------+--------------------+--------------------|
| 1024KB | (8) 256K x 4 ZIP | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 4096KB | (8) 1M x 4 ZIP | Pins 2 & 3 closed |
+------------------------------------------------------------+