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# FIRST INTERNATIONAL COMPUTER, INC.
386-20/25V
Processor 80386DX
Processor Speed 20/25MHz
Chip Set Symphony
Max. Onboard DRAM 8MB
Cache None
BIOS Award/Phoenix
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 |
|--------------+----------+-----------------------+----------|
| Reset switch | J12 | Power LED & keylock | J15 |
|--------------+----------+-----------------------+----------|
| Speaker | J13 | 32-bit external | S1 |
| | | memory card | |
|--------------+----------+-----------------------+----------|
| Turbo LED | J14 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+------------+------------|
| » | Factory configured - do not | J3 | Open |
| | alter | | |
|---+------------------------------+------------+------------|
| » | Factory configured - do not | J4 | Open |
| | alter | | |
|---+------------------------------+------------+------------|
| » | Memory select 2 wait states/ | J5 | Closed |
| | I/O select 6 wait states | | |
|---+------------------------------+------------+------------|
| | Memory select 1 wait state/ | J5 | Open |
| | I/O select 4 wait states | | |
|---+------------------------------+------------+------------|
| | BIOS type select 27256 | J6 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+------------+------------|
| | BIOS type select 27512 | J6 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+------------+------------|
| | CPU speed select 20MHz | J9 | Open |
|---+------------------------------+------------+------------|
| | CPU speed select 25MHz | J9 | Closed |
|---+------------------------------+------------+------------|
| » | CPU speed select switchable | J15 | pins 2 & 3 |
| | from keyboard | | closed |
|---+------------------------------+------------+------------|
| | CPU speed select fast | J15 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+------------+------------|
| | CPU speed select slow | J15 | Open |
|---+------------------------------+------------+------------|
| | Bus speed select iOSC/2 | J17 | pins 1 & 2 |
| | | | closed |
|---+------------------------------+------------+------------|
| | Bus speed select 8MHz | J17 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+------------+------------|
| » | Shadow RAM enabled | SW1/switch | closed |
| | | 6 | |
|---+------------------------------+------------+------------|
| | Shadow RAM disabled | SW1/switch | open |
| | | 6 | |
|---+------------------------------+------------+------------|
| | DRAM read select 2 wait | SW1/switch | closed |
| | states/write select 2 wait | 7 | |
| | states | | closed |
| | | SW1/switch | |
| | | 8 | |
|---+------------------------------+------------+------------|
| | DRAM read select 2 wait | SW1/switch | closed |
| | states/write select 1 wait | 7 | |
| | state | | open |
| | | SW1/switch | |
| | | 8 | |
|---+------------------------------+------------+------------|
| | DRAM read select 1 wait | SW1/switch | open |
| | state/write select 1 wait | 7 | |
| | state | | open |
| | | SW1/switch | |
| | | 8 | |
|---+------------------------------+------------+------------|
| | NPU enabled | SW1/switch | closed |
| | | 9 | |
|---+------------------------------+------------+------------|
| | NPU disabled | SW1/switch | open |
| | | 9 | |
|---+------------------------------+------------+------------|
| » | Monitor type select | SW1/switch | open |
| | monochrome | 10 | |
|---+------------------------------+------------+------------|
| | Monitor type select color | SW1/switch | closed |
| | | 10 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 x | NONE |
| | | 9 | 9 | |
|-------+---------------+------------+------------+----------|
| 4MB | (4) 256K x 9 | (4) 256K x | (4) 256K x | (4) 256K |
| | | 9 | 9 | x 9 |
|-------+---------------+------------+------------+----------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|-------+---------------+------------+------------+----------|
| 6MB | (4) 256K x 9 | (4) 256K x | (4) 1M x 9 | NONE |
| | | 9 | | |
|-------+---------------+------------+------------+----------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|-------+---------------+------------+------------+----------|
| 10MB | (4) 256K x 9 | (4) 256K x | (4) 1M x 9 | (4) 1M x |
| | | 9 | | 9 |
|-------+---------------+------------+------------+----------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|-------+---------------+------------+------------+----------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x |
| | | | | 9 |
|------------------------------------------------------------|
| Note:Banks 2 & 3 are utilized when a 32-bit external |
| memory card is installed at S1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER/SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | J7 | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | 2 & 3 | Off | Off | Off | Off | Off |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | 2 & 3 | On | Off | Off | Off | Off |
|--------+--------+--------+--------+--------+-------+-------|
| 3MB | 2 & 3 | Off | On | Off | Off | Off |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | 2 & 3 | On | On | Off | Off | Off |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | 1 & 2 | Off | Off | On | On | On |
|--------+--------+--------+--------+--------+-------+-------|
| 6MB | 2 & 3 | Off | On | On | Off | Off |
|--------+--------+--------+--------+--------+-------+-------|
| 8MB | 1 & 2 | On | Off | On | On | On |
|--------+--------+--------+--------+--------+-------+-------|
| 10MB | 2 & 3 | On | On | On | Off | Off |
|--------+--------+--------+--------+--------+-------+-------|
| 12MB | 1 & 2 | Off | On | On | On | On |
|--------+--------+--------+--------+--------+-------+-------|
| 16MB | 1 & 2 | On | On | On | On | On |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM READ/WRITE CONFIGURATION |
|------------------------------------------------------------|
| Wait state | Read state | SW1/7 | SW1/8 |
|---------------+---------------+--------------+-------------|
| 2 | 2 | On | On |
|---------------+---------------+--------------+-------------|
| 2 | 1 | On | Off |
|---------------+---------------+--------------+-------------|
| 1 | 1 | Off | Off |
+------------------------------------------------------------+