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# MORSE TECHNOLOGIES, INC.
M3
Processor 80386DX
Processor Speed 25/33/40MHz
Chip Set Morse
Max. Onboard DRAM 16MB
Cache 32/128KB
BIOS AMI
Dimensions 220mm x 220mm
I/O Options None
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | JP2 | Turbo LED | JP12 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP10 | Reset switch | JP13 |
|---------------------+----------+----------------+----------|
| Turbo switch | JP11 | Speaker | JP14 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery type select internal | JP3 | Closed |
| | 3.6VDC | | |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP3 | Open |
| | 6VDC | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP4 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | TAG (U30) | Dirty Bit (U29) |
|---------+---------------+---------------+------------------|
| 32KB | (4) 8K x 8 | (1) 8K x 8 | (1) 16K x 4 |
|---------+---------------+---------------+------------------|
| 128KB | (4) 32K x 8 | (1) 32K x 8 | (1) 16K x 4 |
|------------------------------------------------------------|
| Note:Installing a chip at U29 enables write-back memory |
| caching. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP6 | JP7 | JP8 | JP9 |
|-------+-------------+------------+------------+------------|
| 32KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 128KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+