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# JOINDATA SYSTEMS, INC.
G386B
Processor 80386DX
Processor Speed 20/25MHz
Chip Set C & T
Max. Onboard DRAM 8MB
Cache None
BIOS AMI/Phoenix
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J6 | Reset switch | J20 |
|-------------------+----------+------------------+----------|
| Power LED & | J16 | Turbo LED | J21 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Turbo switch | J17 | 32-bit external | S1 |
| | | memory card | |
|-------------------+----------+------------------+----------|
| Speaker | J19 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| ยป | Monitor type select color | JP25 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP25 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CONFIGURATION |
|------------------------------------------------------------|
| Setting | J15 | J18 |
|--------------------+-------------------+-------------------|
| Disabled | Open | Open |
|--------------------+-------------------+-------------------|
| Enabled | Closed | Closed |
+------------------------------------------------------------+