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# UNIDENTIFIED
G2-286
Processor 80286
Processor Speed 6/8/12/16MHz
Chip Set Unidentified
Max. Onboard DRAM 4MB
Cache None
BIOS AMI/Award/Phoenix
Dimensions 220mm x 220mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Speaker | J1 | Power LED & keylock | J4 |
|----------------+----------+---------------------+----------|
| Turbo LED | J2 | Reset switch | J5 |
|----------------+----------+---------------------+----------|
| Turbo switch | J3 | External battery | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Battery type select internal | J6 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Battery type select external | J6 | Closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | JP4 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP4 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (DIP) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 512KB | (4) 44256 (2) 41256 | NONE |
|----------------+---------------------+---------------------|
| 640KB | (4) 44256 (2) 4164 | (4) 4464 (2) 41256 |
|----------------+---------------------+---------------------|
| 1MB | (4) 44256 (2) 41256 | (4) 44256 (2) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION (DIP) |
|------------------------------------------------------------|
| Size | SW1 |
|----------------------------+-------------------------------|
| 512KB | pins 7 & 15 closed |
|----------------------------+-------------------------------|
| 640KB | pins 6 & 14, 7 & 15 closed |
|----------------------------+-------------------------------|
| 1MB | pins 6 & 14 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (SIPP) |
|------------------------------------------------------------|
| 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 |
|------------------+--------------------+--------------------|
| 2.5MB | (2) 256K x 9 | (2) 1M x 9 |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 |
|------------------------------------------------------------|
| Note:SIPP and DIP memory may not be used concurrently. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION (SIPP) |
|------------------------------------------------------------|
| Size | SW1 |
|----------------------------+-------------------------------|
| 512KB | pins 7 & 15 closed |
|----------------------------+-------------------------------|
| 1MB | pins 6 & 14, 7 & 15 closed |
|----------------------------+-------------------------------|
| 2MB | pins 5 & 13, 7 & 15 closed |
|----------------------------+-------------------------------|
| 2.5MB | pins 5 & 13 closed |
|----------------------------+-------------------------------|
| 4MB | pins 5 & 13, 6 & 14 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP1 | JP2 |
|------------------+--------------------+--------------------|
| Synchronous | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Asynchronous | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+