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# MITSUBISHI ELECTRONICS
MP3300
Processor 80386SX
Processor 16MHz
Speed
Chip Set None
Max. Onboard 1MB (location unknown)
DRAM
Cache None
BIOS Mitsubishi/Phoenix
Dimensions 330mm x 218mm
I/O Options 32-bit external memory slot, floppy drive
interface,
parallel port, serial port (2)
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Parallel port | P1 | Floppy drive | P4 |
| | | interface | |
|----------------+----------+---------------------+----------|
| Serial port | P2 | 32-bit external | S1 |
| (COM1) | | memory slot | |
|----------------+----------+---------------------+----------|
| Serial port | P3 | | |
| (COM2) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
|------------------------------------+------------+----------|
| » | Floppy interface enabled | SW1/switch | off |
| | | 1 | |
|---+--------------------------------+------------+----------|
| | Floppy interface disabled | SW1/switch | on |
| | | 1 | |
|---+--------------------------------+------------+----------|
| » | Factory configured - do not | SW1/switch | off |
| | alter | 2 | |
|---+--------------------------------+------------+----------|
| » | Factory configured - do not | SW1/switch | off |
| | alter | 4 | |
|---+--------------------------------+------------+----------|
| » | I/O bus speed select ATCLK/8 | SW1/switch | on |
| | | 6 | |
|---+--------------------------------+------------+----------|
| | I/O bus speed select ATCLK/6 | SW1/switch | off |
| | | 6 | |
|---+--------------------------------+------------+----------|
| » | Keyboard select enhanced | SW1/switch | on |
| | enabled | 7 | |
|---+--------------------------------+------------+----------|
| | Keyboard select enhanced | SW1/switch | off |
| | disabled | 7 | |
|---+--------------------------------+------------+----------|
| » | Monitor type select monochrome | SW1/switch | off |
| | | 8 | |
|---+--------------------------------+------------+----------|
| | Monitor type select color | SW1/switch | on |
| | | 8 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY MODE CONFIGURATION |
|------------------------------------------------------------|
| Mode | Size | SW1/switch 3 | SW1/switch 5 |
|---------+------------------+---------------+---------------|
| | A | 512KB (base) | Off | On |
|---+-----+------------------+---------------+---------------|
| » | C | 640KB (base) | Off | Off |
|---+-----+------------------+---------------+---------------|
| | D | 512KB (external) | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| COM | SW2/switch 1 | SW2/Switch 2 |
|--------------------+-------------------+-------------------|
| » | COM1 | Off | On |
|---+----------------+-------------------+-------------------|
| | COM2 | Off | Off |
|---+----------------+-------------------+-------------------|
| | Disabled | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | SW2/switch 3 | SW2/Switch 4 |
|--------------------+-------------------+-------------------|
| » | LPT1 | Off | Off |
|---+----------------+-------------------+-------------------|
| | LPT2 | Off | On |
|---+----------------+-------------------+-------------------|
| | LPT3 | On | Off |
|---+----------------+-------------------+-------------------|
| | Disabled | On | On |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Base | SW1 | SW2 | SW3 | SW4 | SW5 | SW6 | SW6 | SW7 |
| Address | | | | | | | | |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 1M | on | on | on | on | off | on | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 1.5M | on | on | on | on | off | off | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 2M | on | on | on | off | on | on | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 2.5M | on | on | on | off | on | off | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 3M | on | on | on | off | off | on | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 3.5M | on | on | on | off | off | off | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 4M | on | on | off | on | on | on | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 4.5M | on | on | off | on | on | off | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 5M | on | on | off | on | off | on | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 5.5M | on | on | off | on | off | off | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 6M | on | on | off | off | on | on | off | off |
|------------+-----+-----+-----+-----+-----+-----+-----+-----|
| 6.5M | on | on | off | off | on | off | off | off |
|------------------------------------------------------------|
| Note: Memory expansion board is 4MB. |
+------------------------------------------------------------+