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# UNIDENTIFIED
MB-386-158
Processor 80386SX
Processor Speed 20MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 16MB (8MB on external memory card)
Maximum Video Memory None
Cache None
BIOS Unidentified
Dimensions 330mm x 220mm
I/O Options External memory card
NPU Options 80387SX/1167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Speaker | J15 | Reset switch | JP1 |
|-------------------+----------+------------------+----------|
| Power LED & | J16 | Turbo LED | JP7 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| External battery | J17 | External memory | SL1 |
| | | card | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Monitor type select monochrome | JP5 | Open |
|---+---------------------------------+-------+--------------|
| | Monitor type select CGA/EGA/VGA | JP5 | Closed |
|---+---------------------------------+-------+--------------|
| » | Battery type select internal | JP6 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Battery type select external | JP6 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (2) 256K x | (2) 256K x | None | None |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CONFIGURATION |
|------------------------------------------------------------|
| » Setting | JP3 | JP19 |
|----------------------+--------------------+----------------|
| » | Disabled | Pins 1 & 2 closed | Closed |
|---+------------------+--------------------+----------------|
| » | Enabled | Pins 2 & 3 closed | Open |
+------------------------------------------------------------+