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# UNIDENTIFIED
386 MB
Processor 80386
Processor Speed 16/20/25MHz
Chip Set C & T
Video Chip Set None
Maximum Onboard Memory 16MB (8MB on external memory card)
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options External memory card
NPU Options 80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Turbo switch | J15 | Reset switch | J19 |
|---------------+----------+----------------------+----------|
| Turbo LED | J16 | External battery | J20 |
|---------------+----------+----------------------+----------|
| Power LED & | J17 | External memory card | SL1 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | J18 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| | OSC3 used as processor clock | J15 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | OSC2 used as processor clock | J15 | Open |
|---+--------------------------------+-------+---------------|
| | Pipeline mode enabled | JP2 | Closed |
|---+--------------------------------+-------+---------------|
| | Pipeline mode disabled | JP2 | Open |
|---+--------------------------------+-------+---------------|
| | NPU synchronous with CPU | JP3 | Closed |
|---+--------------------------------+-------+---------------|
| | NPU asynchronous with CPU | JP3 | Open |
|---+--------------------------------+-------+---------------|
| | Monitor type select color | JP6 | Closed |
|---+--------------------------------+-------+---------------|
| | Monitor type select monochrome | JP6 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|--------------+-----------------------+---------------------|
| 5MB | (4) 1M x 9 | (4) 256K x 9 |
|--------------+-----------------------+---------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------------------------------------------------|
| Note: From 8MB - 16MB, install memory card at SL1. |
| Make sure the size of DRAM chips is the same on both |
| the motherboard and the memory card. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP4 | JP5 |
|--------------------+-------------------+-------------------|
| Lowest address | Pins 1 & 3, 2 & 4 | Pins 1 & 3, 2 & 4 |
| banks enabled | closed | closed |
|--------------------+-------------------+-------------------|
| Highest address | Pins 3 & 5, 4 & 6 | Pins 3 & 5, 4 & 6 |
| banks enabled | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU SELECTION |
|------------------------------------------------------------|
| Type | JP1 | JP7 |
|--------------------+-------------------+-------------------|
| Installed | Closed | Closed |
|--------------------+-------------------+-------------------|
| Not installed | Open | Open |
+------------------------------------------------------------+