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# FIRST INTERNATIONAL COMPUTER, INC.
4386-VIO
Processor 80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor 20/25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set VIA
Max. Onboard 32/128MB (depends on CPU used)
DRAM
Cache 64/128/256KB
BIOS Award
Dimensions 254mm x 220mm
I/O Options Floppy drive interface, game port, IDE interface,
parallel port, serial ports (2)
NPU Options 80387DX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| Parallel port | CN3 | Turbo LED | J5 |
|----------------------+----------+---------------+----------|
| Game port | CN4 | Turbo switch | J6 |
|----------------------+----------+---------------+----------|
| Serial port 1 | CN5 | Reset switch | J7 |
|----------------------+----------+---------------+----------|
| Serial port 2 | CN6 | Speaker | J8 |
|----------------------+----------+---------------+----------|
| Floppy drive | CN7 | Power LED & | J9 |
| interface | | keylock | |
|----------------------+----------+---------------+----------|
| IDE interface | CN8 | IDE interface | J44 |
| | | LED | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Parallel port unidirectional | JG | pins 1 & 2 |
| | (printer) | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port bidirectional | JG | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | IDE interface enabled | JH | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | JH | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Floppy drive interface enabled | JI | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Floppy drive interface disabled | JI | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select CGA | J2 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select | J2 | Open |
| | monochrome/EGA/VGA | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J3 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J4 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | NPU synchronous with CPU | J40 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU asynchronous with CPU | J40 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J41 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | BALE to IDE select connected to | J45 | Closed |
| | CN8 pin28 | | |
|---+----------------------------------+--------+------------|
| | BALE to IDE select not connected | J45 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (80386) |
|------------------------------------------------------------|
| 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 |
|------------------+--------------------+--------------------|
| 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) 256K x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (80486) |
|------------------------------------------------------------|
| 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 |
|------------------+--------------------+--------------------|
| 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) 256K x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (80486 CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | NONE |
|------------------+--------------------+--------------------|
| 65MB | (4) 256K x 9 | (4) 16M x 9 |
|------------------+--------------------+--------------------|
| 65MB | (4) 16M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 68MB | (4) 1M x 9 | (4) 16M x 9 |
|------------------+--------------------+--------------------|
| 68MB | (4) 16M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 80MB | (4) 4M x 9 | (4) 16M x 9 |
|------------------+--------------------+--------------------|
| 80MB | (4) 16M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 128MB | (4) 16M x 9 | (4) 16M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JS1 | JS2 | JS3 | JS4 |
|-------+-------------+------------+------------+------------|
| 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 128KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 256KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JC1 | JC2 | JC3 | JC5 |
|----------------+-----------+-----------+----------+--------|
| 80386DX-33/40 | pins 1 & | pins 1 & | pins 1 & | Open |
| | 2 closed | 2 closed | 2 closed | |
|----------------+-----------+-----------+----------+--------|
| CX486DLC-33/40 | pins 1 & | pins 1 & | pins 1 & | Closed |
| | 2 closed | 2 closed | 2 closed | |
|----------------+-----------+-----------+----------+--------|
| 80486SX-20/25 | pins 2 & | pins 2 & | Open | Open |
| | 3 closed | 3 closed | | |
|----------------+-----------+-----------+----------+--------|
| 80486SX-33 | pins 2 & | pins 2 & | Open | Open |
| | 3 closed | 3 closed | | |
|----------------+-----------+-----------+----------+--------|
| 80487SX-20/25 | pins 1 & | pins 1 & | pins 2 & | Open |
| | 2 closed | 2 closed | 3 closed | |
|----------------+-----------+-----------+----------+--------|
| 80486DX-20/25 | pins 1 & | pins 1 & | pins 1 & | Open |
| | 2 closed | 2 closed | 2 closed | |
|----------------+-----------+-----------+----------+--------|
| 80486DX-33/50 | pins 1 & | pins 1 & | pins 1 & | Open |
| | 2 closed | 2 closed | 2 closed | |
|----------------+-----------+-----------+----------+--------|
| 80486DX2-50 | pins 1 & | pins 1 & | pins 1 & | Open |
| | 2 closed | 2 closed | 2 closed | |
|----------------+-----------+-----------+----------+--------|
| 80486DX2-66 | pins 1 & | pins 1 & | pins 1 & | Open |
| | 2 closed | 2 closed | 2 closed | |
|------------------------------------------------------------|
| Note: If JC5 is closed, pins 1 & 2, 3 & 4, 5 & 6 are |
| closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JK1 | JK2 | JK4 |
|----------------+-----------------+------------+------------|
| 80386DX-33/40 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| CX486DLC-33/40 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| 80486SX-20/25 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| 80486SX-33 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| 80487SX-20/25 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| 80486DX-20/25 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| 80486DX-33/50 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| 80486DX2-50 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|----------------+-----------------+------------+------------|
| 80486DX2-66 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU CLOCK GENERATOR CONFIGURATION |
|------------------------------------------------------------|
| Speed | J46 pins 1 | J46 pins 3 | J46 pins 5 | J46 pins 7 |
| | & 2 | & 4 | & 6 | & 8 |
|--------+------------+------------+------------+------------|
| 33MHz | Closed | Open | Open | Open |
|--------+------------+------------+------------+------------|
| 40MHz | Closed | Open | Closed | Closed |
|--------+------------+------------+------------+------------|
| 40MHz | Closed | Closed | Open | Open |
|--------+------------+------------+------------+------------|
| 50MHz | Open | Open | Closed | Closed |
|--------+------------+------------+------------+------------|
| 50MHz | Open | Closed | Open | Open |
|--------+------------+------------+------------+------------|
| 66MHz | Open | Closed | Open | Closed |
|--------+------------+------------+------------+------------|
| 66MHz | Closed | Open | Open | Closed |
|--------+------------+------------+------------+------------|
| 80MHz | Closed | Closed | Open | Closed |
|------------------------------------------------------------|
| Note: If an oscillator is installed, these jumper settings |
| have no effect. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | JE | JF |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 378 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 278 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3BC | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| Setting | JA | JB |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3E8 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 3F8 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2E8 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| Setting | JC | JD |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2E8 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 2F8 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3E8 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+