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# AMPTRON INTERNATIONAL, INC.
DX-5300
Processor 80386DX
Processor Speed 33/40MHz
Chip Set C & T
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+-----------------------+----------|
| Speaker | J1 | Turbo switch | J5 |
|--------------+----------+-----------------------+----------|
| Keylock | J2 | Power LED | J7 |
|--------------+----------+-----------------------+----------|
| Reset switch | J3 | External battery | JP2 |
|--------------+----------+-----------------------+----------|
| Turbo LED | J4 | 32-bit external | S1 |
| | | memory card | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | J6 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | J6 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Battery select internal | JP1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Battery select external | JP1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | 80387 disabled | JP12 | Open |
|---+--------------------------------+--------+--------------|
| | 80387 enabled | JP12 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | 3167 disabled | JP13 | Open |
|---+--------------------------------+--------+--------------|
| | 3167 enabled | JP13 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Mode | Bank 0 | Bank 1 |
|--------+-----------------+----------------+----------------|
| 1MB | page | (4) 256K x 9 | NONE |
|--------+-----------------+----------------+----------------|
| 2MB | page-interleave | (4) 256K x 9 | (4) 256K x 9 |
|--------+-----------------+----------------+----------------|
| 4MB | page | (4) 1M x 9 | NONE |
|--------+-----------------+----------------+----------------|
| 5MB | page | (4) 1M x 9 | (4) 256K x 9 |
|--------+-----------------+----------------+----------------|
| 8MB | page-interleave | (4) 1M x 9 | (4) 1M x 9 |
|--------+-----------------+----------------+----------------|
| 16MB | page | (4) 4M x 9 | NONE |
|--------+-----------------+----------------+----------------|
| 17MB | page | (4) 4M x 9 | (4) 256K x 9 |
|--------+-----------------+----------------+----------------|
| 20MB | page | (4) 4M x 9 | (4) 1M x 9 |
|--------+-----------------+----------------+----------------|
| 32MB | page-interleave | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | NONE |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP5 | JP6 | JP7 | JP8 | JP10 |
|----------+----------+----------+---------+--------+--------|
| 64kb | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|----------+----------+----------+---------+--------+--------|
| 128kb | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | Open |
|----------+----------+----------+---------+--------+--------|
| 256kb | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | JP11 | JP19 | JP20 | JP21 | JP22 | JP23 |
|--------+--------+-------+--------+-------+--------+--------|
| 64kb | Open | 1 & 2 | Open | 1 & 2 | Open | Closed |
|--------+--------+-------+--------+-------+--------+--------|
| 128kb | Closed | 1 & 2 | Closed | 4 & 5 | Closed | Open |
|--------+--------+-------+--------+-------+--------+--------|
| 256kb | Closed | 2 & 3 | Closed | 5 & 6 | Closed | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+