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# FIRST INTERNATIONAL COMPUTER, INC.
80386DX-SC (REV. B)
Processor 80386DX
Processor Speed 25/33/50MHz
Chip Set Symphony
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Speaker | JP1 | Turbo switch | JP10 |
|---------------------+----------+----------------+----------|
| Reset switch | JP2 | Turbo LED | JP11 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select | JP6 | Open |
| | monochrome/EGA/VGA | | |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP6 | Closed |
|---+----------------------------------+--------+------------|
| » | Cache select 1 wait state | JP33 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Cache select 0 wait states | JP33 | pins 1 & 2 |
| | | | 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) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE RESISTOR CONFIGURATION |
|------------------------------------------------------------|
| Size | RJ1 | RJ2 | RJ3 | RJ4 |
|-------+-------------+------------+------------+------------|
| 32KB | Installed | Not | Installed | Not |
| | | installed | | installed |
|-------+-------------+------------+------------+------------|
| 64KB | Not | Installed | Not | Installed |
| | installed | | installed | |
|-------+-------------+------------+------------+------------|
| 128KB | Not | Not | Not | Not |
| | installed | installed | installed | installed |
|-------+-------------+------------+------------+------------|
| 256KB | Not | Not | Not | Not |
| | installed | installed | installed | installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE RESISTOR CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | RJ5 | RJ6 | RJ7 | RJ8 |
|-------+-------------+------------+------------+------------|
| 32KB | Not | Not | Not | Not |
| | installed | installed | installed | installed |
|-------+-------------+------------+------------+------------|
| 64KB | Not | Not | Not | Not |
| | installed | installed | installed | installed |
|-------+-------------+------------+------------+------------|
| 128KB | Installed | Not | Installed | Not |
| | | installed | | installed |
|-------+-------------+------------+------------+------------|
| 256KB | Not | Installed | Not | Installed |
| | installed | | installed | |
+------------------------------------------------------------+