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# FUJIKAMA USA, INC.
80386SX-25/33MHZ (VER. 2)
Processor 80386SX
Processor Speed 25/33MHz
Chip Set ALI
Max. Onboard DRAM 16MB
Cache 16/64KB
BIOS Unidentified
Dimensions 220mm x 220mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-----------+------------------+-----------|
| Power LED & | J3 (pins | Turbo switch | J3 (pins |
| keylock | 1 - 5) | | 15 - 7) |
|-----------------+-----------+------------------+-----------|
| Speaker | J3 (pins | Reset switch | J3 (pins |
| | 6 - 10) | | 19 - 20) |
|-----------------+-----------+------------------+-----------|
| Turbo LED | J3 (pins | External battery | JP8 |
| | 12 - 13) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+--------+----------------|
| » | Battery type select external | JP8 | Closed |
|---+------------------------------+--------+----------------|
| » | Battery type select internal | JP8 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+--------+----------------|
| | CMOS memory clear | JP8 | pins 1 & 2 |
| | | | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 16KB | (2) 8K x 8 |
|----------------------------+-------------------------------|
| 64KB | (2) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP10 | JP11 |
|---------+----------+----------+--------+---------+---------|
| 16KB | 2 & 3 | 2 & 3 | 2 & 3 | Open | Open |
|---------+----------+----------+--------+---------+---------|
| 64KB | 1 & 2 | 1 & 2 | 1 & 2 | Closed | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP6 |
|------------------------------+-----------------------------|
| 25MHZ | Open |
|------------------------------+-----------------------------|
| 33MHz | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP4 | JP5 |
|--------------------+-------------------+-------------------|
| Asychronous | pins 1 & 2 closed | N/A |
|--------------------+-------------------+-------------------|
| Sychronous | pins 2 & 3 closed | N/A |
|--------------------+-------------------+-------------------|
| NPX installed | N/A | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| NPX not installed | N/A | pins 2 & 3 closed |
+------------------------------------------------------------+