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# ARTEK COMPUTER SYSTEMS, INC.
OPTI-25
Processor 80386DX
Processor Speed 25MHz
Chip Set OPTI
Max. Onboard DRAM 8MB
Cache None
BIOS AMI
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 |
|-------------------+----------+------------------+----------|
| Turbo LED | CR4 | 32-bit external | S1 |
| | | memory card | |
|-------------------+----------+------------------+----------|
| External battery | J10 | Reset switch | SW1 |
|-------------------+----------+------------------+----------|
| Speaker | J22 | Turbo switch | SW2 |
|-------------------+----------+------------------+----------|
| Power LED & | J23 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select monochrome | JP1 | Open |
|---+--------------------------------+--------+--------------|
| | Monitor type select color | JP1 | Closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP10 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP10 | pins 3 & 4 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+