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# WINCAL TECHNOLOGY CORPORATION
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 color | JP1 | pins 1 & 2 |
| | | | closed |
|----+------------------------------+----------+-------------|
| | Monitor type select | JP1 | pins 2 & 3 |
| | monochrome | | closed |
|----+------------------------------+----------+-------------|
| » | CMOS normal operation | JP5 | Closed |
|----+------------------------------+----------+-------------|
| | CMOS memory clear | JP5 | Open |
|------------------------------------------------------------|
| Note:JP5 should be left open for approximately 10 minutes |
| when clearing CMOS memory. |
| |
| JP5 only appears on version 2.5 board. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-----------------+------------+----------+----------|
| 1MB | (4) 256K x 9 | NONE | NONE | NONE |
|-------+-----------------+------------+----------+----------|
| 2MB | (4) 256K x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|-------+-----------------+------------+----------+----------|
| 3MB | (4) 256K x 9 | (4) 256K x | (4) 256K | NONE |
| | | 9 | x 9 | |
|-------+-----------------+------------+----------+----------|
| 4MB | (4) 256K x 9 | (4) 256K x | (4) 256K | (4) 256K |
| | | 9 | x 9 | x 9 |
|-------+-----------------+------------+----------+----------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|-------+-----------------+------------+----------+----------|
| 5MB | (4) 1M x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|-------+-----------------+------------+----------+----------|
| 6MB | (4) 1M x 9 | (4) 256K x | (4) 256K | NONE |
| | | 9 | x 9 | |
|-------+-----------------+------------+----------+----------|
| 7MB | (4) 1M x 9 | (4) 256K x | (4) 256K | (4) 256K |
| | | 9 | x 9 | x 9 |
|-------+-----------------+------------+----------+----------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|-------+-----------------+------------+----------+----------|
| 9MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K | NONE |
| | | | x 9 | |
|-------+-----------------+------------+----------+----------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K | (4) 256K |
| | | | x 9 | x 9 |
|-------+-----------------+------------+----------+----------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | NONE |
| | | | 9 | |
|-------+-----------------+------------+----------+----------|
| 13MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | (4) 256K |
| | | | 9 | x 9 |
|-------+-----------------+------------+----------+----------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | (4) 1M x |
| | | | 9 | 9 |
|-------+-----------------+------------+----------+----------|
| 16MB | (4) 4M x 9 | NONE | NONE | NONE |
|------------------------------------------------------------|
| Note:Banks 2 & 3 are utilized when a 32-bit external |
| memory card is installed at S1. |
+------------------------------------------------------------+