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# UNIDENTIFIED
N318 386SX/25/33/40
Processor 80386SX/CX486SLC
Processor Speed 25/33/40MHz
Chip Set ALI
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 220mm x 170mm
I/O Options None
NPU Options 80387SX/CX83S87
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J4 | Turbo switch & | J8 |
| | | Turbo LED | |
|------------------+----------+-------------------+----------|
| Reset switch | J6 | Power LED & | J9 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Speaker | J7 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Select 0 wait states | J5 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Select 1 wait state | J5 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | NPU asynchronous | JP2 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | NPU synchronous with CPU | JP2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP3 | Open |
|---+--------------------------------+--------+--------------|
| | Real time clock enabled | JP3 | Closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | JP4 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP4 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Parity check enabled | JP6 | Open |
|---+--------------------------------+--------+--------------|
| | Parity check disabled | JP6 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (2) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 2MB | (2) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (2) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP1 | JP5 |
|------------------+--------------------+--------------------|
| 25MHz | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 33MHz | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 40MHz | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+