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# AMPTRON INTERNATIONAL, INC.
DX-5400
Processor 80386DX
Processor Speed 33/40MHz
Chip Set OPTI
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J3 | Reset switch | J6 |
|------------------+----------+-------------------+----------|
| Turbo switch | J4 | Power LED & | J7 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Turbo LED | J5 | Speaker | J8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP2 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP2 | Closed |
|---+----------------------------------+--------+------------|
| » | Bus speed clock select OSCIN/4 | JP3 | Closed |
|---+----------------------------------+--------+------------|
| | Bus speed clock select OSCIN/3 | JP3 | Open |
|---+----------------------------------+--------+------------|
| » | NPU mode select synchronous with | JP4 | Open |
| | CPU | | |
|---+----------------------------------+--------+------------|
| | NPU mode select synchronous with | JP4 | Closed |
| | oscillator | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (2) 16K x 4 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (2) 16K x 4 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (2) 16K x 4 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (2) 16K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP5 | JP6 | JP7 | JP8 | JP9 | JP10 |
|--------+--------+--------+--------+-------+-------+--------|
| 32KB | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | Open |
|--------+--------+--------+--------+-------+-------+--------|
| 64KB | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Open |
|--------+--------+--------+--------+-------+-------+--------|
| 128KB | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 | Closed |
|--------+--------+--------+--------+-------+-------+--------|
| 256KB | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+