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# SER
386-SS
Processor 80386SX
Processor Speed 33/40MHz
Chip Set SARC
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 220mm x 220mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | JP1 | Turbo LED | JP7 |
|------------------+----------+-------------------+----------|
| Turbo switch | JP5 | Power LED & | JP8 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Reset switch | JP6 | Speaker | JP9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------+--------+-------------------|
| » | Monitor type select color | JP2 | Closed |
|---+---------------------------+--------+-------------------|
| | Monitor type select | JP2 | Open |
| | monochrome | | |
|---+---------------------------+--------+-------------------|
| » | NPU synchronous with CPU | JP3 | Pins 1 & 2 closed |
|---+---------------------------+--------+-------------------|
| | NPU asynchronous with CPU | JP3 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECT |
|------------------------------------------------------------|
| Speed | JP10 | JP11 |
|------------+-----------------------+-----------------------|
| 20MHz | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------+-----------------------+-----------------------|
| 25MHz | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------+-----------------------+-----------------------|
| 33MHz | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------+-----------------------+-----------------------|
| 40MHz | Pins 2 & 3 closed | Pins 2 & 3 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 |
+------------------------------------------------------------+