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# UNIDENTIFIED
CORRADO386
Processor 80386DX
Processor Speed 16/20MHz
Chip Set Unknown
Max. Onboard DRAM 8MB
Cache None
BIOS AMI/Award/Phoenix
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80287/80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J2 | Turbo switch | J7 |
|-------------------+----------+------------------+----------|
| Reset switch | J4 | Turbo LED | J8 |
|-------------------+----------+------------------+----------|
| Speaker | J5 | 32-bit external | S1 |
| | | memory card | |
|-------------------+----------+------------------+----------|
| Power LED & | J6 | | |
| keylock | | | |
|------------------------------------------------------------|
| Note:Locations of CPU, NPUs, chipset chips, BIOS, and |
| keyboard BIOS are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| ยป | Monitor type select color | JP1 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP1 | Open |
|---+--------------------------------+--------+--------------|
| | BIOS type select 27256 | JP6 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | BIOS type select 27128 | JP6 | pins 2 & 3 |
| | | | closed |
|------------------------------------------------------------|
| Note:Locations of JP4 & JP5 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 256K x | (4) 256K x | (4) 256K | (4) 256K |
| | 9 | 9 | x 9 | x 9 |
|--------+-------------+-------------+-----------+-----------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|--------+-------------+-------------+-----------+-----------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|--------+-------------+-------------+-----------+-----------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | (4) 1M x |
| | | | 9 | 9 |
|------------------------------------------------------------|
| Note:Banks 2 & 3 are used when proprietary external memory |
| card is installed at S1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP4 | JP5 |
|-----------------+--------+----------------+----------------|
| 80287 | Closed | pins 1 & 2 | Open |
| | | closed | |
|-----------------+--------+----------------+----------------|
| 80387 | Open | pins 3 & 4 | pins 1 & 2 |
| (synchronous) | | closed | closed |
|-----------------+--------+----------------+----------------|
| 80387 | Open | pins 3 & 4 | pins 2 & 3 |
| (asynchronous) | | closed | closed |
|------------------------------------------------------------|
| Note:The locations of JP4 & JP5 are unidentified. |
+------------------------------------------------------------+