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# JOINDATA SYSTEMS, INC.
G386SB
Processor 80386DX
Processor Speed 33MHz
Chip Set SIS
Max. Onboard DRAM 16MB
SRAM Cache 32/64KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Reset switch | J9 | Speaker | J12 |
|----------------+----------+---------------------+----------|
| Turbo LED | J10 | Power LED & keylock | J13 |
|----------------+----------+---------------------+----------|
| Turbo switch | J11 | External battery | J14 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------------+--------+----------|
| » | NPU mode select synchronous with | JP3 | open |
| | CPU | | |
|---+------------------------------------+--------+----------|
| | NPU mode select synchronous with | JP3 | closed |
| | OSC3 | | |
|---+------------------------------------+--------+----------|
| » | Monitor type select color | JP15 | closed |
|---+------------------------------------+--------+----------|
| | Monitor type select monochrome | JP15 | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (2) 16K x 4 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (2) 16K x 4 |
|------------------------------------------------------------|
| Note: Bank 0 = U36, U37, U39 & U49. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 |
|----------------------------+-------------------------------|
| 32KB | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 64KB | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP10 | JP11 | JP12 | JP13 |
|----------+------------+------------+-----------+-----------|
| Enabled | Closed | Closed | Closed | Closed |
|----------+------------+------------+-----------+-----------|
| Disabled | Open | Open | Open | Open |
+------------------------------------------------------------+