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# PIXELWORKS, INC.
RA1280, RA1024
Category Video
Video Types Supported CGA/XVGA
Video Processor TMS34020
Highest Resolution Supported 1280 x 1024
Data Bus Type 16-bit ISA
Memory Type VRAM
Maximum Onboard Memory 2560KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| VGA pass-through | CN1 | Daughter board | CN3 |
| connector | | connector | |
|---------------------+----------+----------------+----------|
| 15-pin analog video | CN2 | Daughter board | CN4 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O BASE ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | WD |
|----------------------------+-------------------------------|
| » | 330h | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | 340h | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| DMA | WA | WB |
|------------------+--------------------+--------------------|
| » | 6 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 7 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 5 | Pins 4 & 5 closed | Pins 4 & 5 closed |
+------------------------------------------------------------+
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PIXELWORKS, INC.
RA1280, RA1024
. . . continued from previous page
+------------------------------------------------------------+
| VIDEO INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | WC |
|----------------------------+-------------------------------|
| » | 10 | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | 11 | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | 12 | Pins 4 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE SELECTION |
|------------------------------------------------------------|
| Type | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|------------------+----------+----------+---------+---------|
| CGA | On | Off | Off | Off |
|------------------+----------+----------+---------+---------|
| VGA pass-through | Off | On | Off | Off |
|------------------+----------+----------+---------+---------|
| Dual monitor | Off | Off | Off | Off |
+------------------------------------------------------------+