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# MORSE TECHNOLOGIES, INC.
P1
Processor 80486SX/80487SX/80486DX
Processor Speed 16/20/25/33MHz
Chip Set Morse
Max. Onboard DRAM 16MB
Cache 64/128/256KB
BIOS AMI/Award
Dimensions 220mm x 220mm
I/O Options None
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | JP2 | Turbo LED | JP16 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP14 | Speaker | JP17 |
|---------------------+----------+----------------+----------|
| Turbo switch | JP15 | Reset switch | JP18 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+---------+----------|
| » | Battery select internal 3.6VDC | JP4 | Closed |
|-----+---------------------------------+---------+----------|
| | Battery select external 6VDC | JP4 | Open |
|-----+---------------------------------+---------+----------|
| » | Parity check enabled | JP5 | Closed |
|-----+---------------------------------+---------+----------|
| | Parity check disabled | JP5 | Open |
|-----+---------------------------------+---------+----------|
| » | Monitor type select color | JP6 | Closed |
|-----+---------------------------------+---------+----------|
| | Monitor type select monochrome | JP6 | Open |
|-----+---------------------------------+---------+----------|
| » | CMOS memory normal operation | JP7 | Open |
|-----+---------------------------------+---------+----------|
| | CMOS memory clear | JP7 | Closed |
|-----+---------------------------------+---------+----------|
| » | Keyboard diagnostic disabled | JP19 | Open |
|-----+---------------------------------+---------+----------|
| | Keyboard diagnostic enabled | JP19 | Closed |
|------------------------------------------------------------|
| Note:Locations of JP5, JP6, JP7, & JP19 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG (U26) | TAG (U42) |
|-------+-------------+------------+------------+------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 | NONE |
|-------+-------------+------------+------------+------------|
| 128KB | NONE | (4) 32K x | (1) 8K x 8 | NONE |
| | | 8 | | |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | (1) 8K x 8 | (1) 8K x 8 |
| | | 8 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP8A | JP8B | JP8D | JP8E | JP8F |
|---------+----------+----------+---------+---------+--------|
| 64KB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------+----------+----------+---------+---------+--------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|---------+----------+----------+---------+---------+--------|
| 256KB | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP12 | JP13 | JP30 |
|-------------+---------------+---------------+--------------|
| 80486SX | Pins 2 & 3 | pins 2 & 3 | Open |
| | closed | closed | |
|-------------+---------------+---------------+--------------|
| 80487SX | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|-------------+---------------+---------------+--------------|
| 80486DX | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|------------------------------------------------------------|
| Note:When changing the CPU, the Oscillator at Y2 must also |
| be changed so that its speed is equal |
| |
| to twice the speed of the processor. e.g. A 25MHz CPU |
| would require a 50MHz Oscillator. |
+------------------------------------------------------------+