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# UNIDENTIFIED
HMC86304 VER 1.01
Category Video
Video Types Supported XVGA
Video Processor HMC86304
Highest Resolution Supported 1024 x 768
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 512KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| 15-pin analog video port | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT IRQ9 SELECT |
|------------------------------------------------------------|
| Setting | JP24 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ZERO WAIT STATE |
|------------------------------------------------------------|
| Setting | JP25 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK SPEED SELECT |
|------------------------------------------------------------|
| Setting | JP21 | JP22 |
|--------------------+-------------------+-------------------|
| 40Mhz clock | Closed | Open |
|--------------------+-------------------+-------------------|
| 44.4Mhz clock | Open | Closed |
+------------------------------------------------------------+
+--------------------------------------------------------------------+
| MEMORY SIZE SELECT |
|--------------------------------------------------------------------|
|Size |JP23/A|JP23/B|JP23/C|JP23/D|JP23/E|JP23/F|JP23/G|JP23/H|JP23/I|
|-----+------+------+------+------+------+------+------+------+------|
|256KB|1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |
|-----+------+------+------+------+------+------+------+------+------|
|512KB|2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |
|--------------------------------------------------------------------|
|Note: Pins designated are in the closed position. |
+--------------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|-----------------+--------------------+---------------------|
| 256KB | (2) 64K x 8 | (2) 64K x 8 |
|-----------------+--------------------+---------------------|
| 512KB | (2) 256K x 4 | (2) 256K x 4 |
+------------------------------------------------------------+