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# FIRST INTERNATIONAL COMPUTER, INC.
486 PSD
Processor 80486SX/80487SX/80486DX/80486DX2
Processor 25/33/50(internal)/50/66(internal)/66MHz
Speed
Chip Set SIO
Max. Onboard 64MB
DRAM
Cache 64/256KB
BIOS Award/AMI
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots, SCSI interface, PS/2 mouse port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Turbo LED | J11 | IDE interface LED | CN1 |
|------------------+----------+-------------------+----------|
| Turbo switch | J12 | SCSI interface | CN3 |
|------------------+----------+-------------------+----------|
| Reset switch | J13 | PS/2 mouse | CN5 |
|------------------+----------+-------------------+----------|
| Speaker | J14 | 32-bit PCI slots | S1, S2, |
| | | | S3 |
|------------------+----------+-------------------+----------|
| Power LED & | J15 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | SCSI power from system | J1 | Closed |
|---+----------------------------------+--------+------------|
| | SCSI power from peripheral | J1 | Open |
| | device | | |
|---+----------------------------------+--------+------------|
| » | BIOS type select - Award | J7 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select -AMI | J7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J9 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J10 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | CPU type select - PGA | JC5 | Closed |
|---+----------------------------------+--------+------------|
| | CPU type select - PQFP | JC5 | Open |
|---+----------------------------------+--------+------------|
| » | Parity error disabled | JF1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parity error enabled | JF1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CPU generation parity | JF2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | DPU generation parity | JF2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Cache wait state disabled | JF5 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Cache wait state enabled | JF5 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JF6 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | 7-bit tag address | JF7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | 8-bit tag address | JF7 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | L2 cache enabled | JF8 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | L2 cache disabled | JF8 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Cache select - 256KB | JS1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Cache select - 64KB | JS1 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+---------------+-------------+-----------+-----------|
| 2MB | (1) 256KB x | (1) 256KB x | NONE | NONE |
| | 36 | 36 | | |
|------+---------------+-------------+-----------+-----------|
| 4MB | (1) 256KB x | (1) 256KB x | (1) 256KB | (1) 256KB |
| | 36 | 36 | x 36 | x 36 |
|------+---------------+-------------+-----------+-----------|
| 5MB | (1) 1M x 36 | (1) 256KB x | NONE | NONE |
| | | 36 | | |
|------+---------------+-------------+-----------+-----------|
| 4MB | (1) 1M x 36 | (1) 256KB x | NONE | NONE |
| | | 36 | | |
|------+---------------+-------------+-----------+-----------|
| 7MB | (1) 1M x 36 | (1) 256KB x | (1) 256KB | (1) 256KB |
| | | 36 | x 36 | x 36 |
|------+---------------+-------------+-----------+-----------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+-----------+-----------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+-----------+-----------|
| 17MB | (1) 4M x 36 | (1) 256KB x | NONE | NONE |
| | | 36 | | |
|------+---------------+-------------+-----------+-----------|
| 19MB | (1) 4M x 36 | (1) 256KB x | (1) 256KB | (1) 256KB |
| | | 36 | x 36 | x 36 |
|------+---------------+-------------+-----------+-----------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+-----------+-----------|
| 22MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256KB | (1) 256KB |
| | | | x 36 | x 36 |
|------+---------------+-------------+-----------+-----------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+-----------+-----------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|------+---------------+-------------+-----------+-----------|
| 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256KB | (1) 256KB |
| | | | x 36 | x 36 |
|------+---------------+-------------+-----------+-----------|
| 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+-----------+-----------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
|------------------------------------------------------------|
| Note: The location of the tag chip is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JF9 | JF10 |
|------------------+--------------------+--------------------|
| 64KB | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SELECT CONFIGURATION |
|------------------------------------------------------------|
| Size | JS2 | JS3 | JS4 | JS5 |
|-----------+------------+-----------+-----------+-----------|
| 64KB | Open | Open | Open | Open |
|-----------+------------+-----------+-----------+-----------|
| 256KB | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU PROCESSOR CONFIGURATION |
|------------------------------------------------------------|
| CPU | JC1/JC2 | JC3/JC4 |
|-------------------+--------------------+-------------------|
| SX | pins 2 & 3 closed | Open |
|-------------------+--------------------+-------------------|
| DX/DX2 | pins 1 & 2 closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Speed | JF3 | JF4 |
|------------------+--------------------+--------------------|
| 25MHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 33MHz | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI CONFIGURATION |
|------------------------------------------------------------|
| Request/IRQ9 | JR1 | JR2 |
|------------------+--------------------+--------------------|
| Installed | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Not installed | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ CONFIGURATION |
|------------------------------------------------------------|
| IRQ setting | JI1 |
|----------------------------+-------------------------------|
| IRQ 5 | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| IRQ 9 | pins 3 & 4 closed |
|----------------------------+-------------------------------|
| IRQ 11 | pins 5 & 6 closed |
|----------------------------+-------------------------------|
| IRQ 12 | pins 7 & 8 closed |
+------------------------------------------------------------+