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# FIRST INTERNATIONAL COMPUTER, INC.
486 GAW-V
Processor CX486S/CS487S/CS486DX/80486SX/80486DX/80486DX2/80486DX4/
Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set VIA
Max. 64MB
Onboard
DRAM
Cache 64/128/256KB
BIOS Award
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slot, floppy drive interface, IDE
Options interface, parallel port, PS/2 mouse port, serial ports
(2), VGA feature connector, VGA port
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Green power supply | J1 | Serial port 2 | CN5 |
| connector | | | |
|--------------------+----------+-----------------+----------|
| IDE interface LED | J5 | Parallel port | CN6 |
|--------------------+----------+-----------------+----------|
| Turbo LED | J9 | VGA port | CN7 |
|--------------------+----------+-----------------+----------|
| Turbo switch | J10 | VGA feature | CN8 |
| | | connector | |
|--------------------+----------+-----------------+----------|
| Reset switch | J11 | IDE drive | CN9 |
| | | interface | |
|--------------------+----------+-----------------+----------|
| Power LED & | J12 | Floppy drive | CN10 |
| keylock | | interface | |
|--------------------+----------+-----------------+----------|
| Speaker | J13 | Daughter board | CN11 |
| | | connector | |
|--------------------+----------+-----------------+----------|
| PS/2 mouse port | CN3 | 32-bit VESA | SL1 |
| | | Local bus slot | |
|--------------------+----------+-----------------+----------|
| Serial port 1 | CN4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------------+-----------+------------|
| » | HDD IOCHRDY disabled | J2 | Open |
|---+-------------------------------+-----------+------------|
| | HDD IOCHRDY enabled | J2 | Closed |
|---+-------------------------------+-----------+------------|
| » | HDD BALE disabled | J3 | Open |
|---+-------------------------------+-----------+------------|
| | HDD BALE enabled | J3 | Closed |
|---+-------------------------------+-----------+------------|
| » | Non Intel SL-enhanced CPU | J4, J16, | pins 1 & 2 |
| | | JX5 | closed |
|---+-------------------------------+-----------+------------|
| | Intel SL-enhanced CPU | J4, J16, | pins 2 & 3 |
| | | JX5 | closed |
|---+-------------------------------+-----------+------------|
| » | CMOS memory normal operation | J7 | Open |
|---+-------------------------------+-----------+------------|
| | CMOS memory clear | J7 | Closed |
|---+-------------------------------+-----------+------------|
| » | Factory configured - do not | J8 | pins 1 & 2 |
| | alter | | closed |
|---+-------------------------------+-----------+------------|
| » | Adaptec ISA master 1542B/C | J14 | Open |
| | SCSI (transfer rate <5.7 | | |
| | MB/s) | | |
|---+-------------------------------+-----------+------------|
| | Adaptec ISA master 1542B/C | J14 | Closed |
| | SCSI (transfer rate >5.7 | | |
| | MB/s) | | |
|---+-------------------------------+-----------+------------|
| » | Intel DX4 clock select (3X) | JC6 | Open |
|---+-------------------------------+-----------+------------|
| | Intel DX4 clock select (2.5X) | JC6 | pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-----------+------------|
| | Intel DX4 clock select (2X) | JC6 | pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-----------+------------|
| » | Pentium Overdrive write back | JC7 | Closed |
| | enabled | | |
|---+-------------------------------+-----------+------------|
| | Pentium Overdrive write | JC7 | Open |
| | through enabled | | |
|---+-------------------------------+-----------+------------|
| » | Intel CPU installed | JC8 | Closed |
|---+-------------------------------+-----------+------------|
| | Cyrix CPU installed | JC8 | Open |
|---+-------------------------------+-----------+------------|
| » | IDE interface enabled | JD3 | pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-----------+------------|
| | IDE interface disabled | JD3 | pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-----------+------------|
| » | Onboard VGA enabled | JV1, JV2 | pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-----------+------------|
| | Onboard VGA disabled | JV1, JV2 | pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-----------+------------|
| » | VGA IRQ9 disabled | JV3 | Open |
|---+-------------------------------+-----------+------------|
| | VGA IRQ9 enabled | JV3 | Closed |
|---+-------------------------------+-----------+------------|
| » | DX33 CPU installed | JV4/11 & | Open |
| | | 12 | |
|---+-------------------------------+-----------+------------|
| | DX50/DX4 CPU installed | JV4/11 & | Closed |
| | | 12 | |
|---+-------------------------------+-----------+------------|
| » | Intel SL enhanced CPU | JX4 | pins 1 & 2 |
| | installed | | closed |
|---+-------------------------------+-----------+------------|
| | Cyrix 486S/DX CPU installed | JX4 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|-------+-----------------+-----------------+----------------|
| 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 128KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | NONE | (1) 2M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | NONE | (1) 1M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 2M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 4M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 21MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 22MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 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 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 48MB | NONE | (1) 8M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 4M x 36 | NONE | (1) 4M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 8M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
+------------------------------------------------------------+
.
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JK1 | JK2 | JK3 | JK4 |
|--------+------------+------------+------------+------------|
| 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| 66iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| CPU Type | JC1 | JC2 | JC3 | JC4 |
|-------------------+----------+----------+--------+---------|
| 486SX/P23S/CX486S | pins 2 & | pins 2 & | Open | pins 1 |
| | 3 closed | 3 closed | | & 2 |
| | | | | closed |
|-------------------+----------+----------+--------+---------|
| CX486DX/486S-487S | pins 1 & | pins 1 & | Open | pins 1 |
| | 2 closed | 2 closed | | & 2 |
| | | | | closed |
|-------------------+----------+----------+--------+---------|
| P24S/P4S | pins 1 & | pins 1 & | Open | pins 1 |
| | 2 closed | 2 closed | | & 2 |
| | | | | closed |
|-------------------+----------+----------+--------+---------|
| 80486DX/DX2/DX4 | pins 1 & | pins 1 & | Open | pins 1 |
| | 2 closed | 2 closed | | & 2 |
| | | | | closed |
|-------------------+----------+----------+--------+---------|
| Pentium Overdrive | pins 1 & | pins 1 & | Closed | pins 2 |
| | 2 closed | 2 closed | | & 3 |
| | | | | closed |
|-------------------+----------+----------+--------+---------|
| P24D | pins 1 & | pins 1 & | Open | pins 2 |
| | 2 closed | 2 closed | | & 3 |
| | | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| CPU Type | JC5 | RC1 | RC2 |
|----------------+-----------+---------------+---------------|
| CX486S/DX | Open | Not installed | Installed |
|----------------+-----------+---------------+---------------|
| 486SX/DX/DX2 | Open | Not installed | Not Installed |
|----------------+-----------+---------------+---------------|
| P23S/P24S/P4S | Closed | Not installed | Not installed |
|----------------+-----------+---------------+---------------|
| P24D/P24CT/DX4 | Closed | Installed | Not installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HARD DRIVE SPEED SELECT |
|------------------------------------------------------------|
| Speed | JD1 | JD2 |
|------------+-------------------------+---------------------|
| Speed 0 | pins 2 & 3 closed | pins 2 & 3 closed |
|------------+-------------------------+---------------------|
| Speed 1 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------+-------------------------+---------------------|
| Speed 2 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------------------------------------------------|
| Note:Used only with the Promise PDC20230 local bus IDE |
| controller card. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE/BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | Wait states | JL1 | JL2 |
|-----------+---------------+-------------------+------------|
| < 33MHz | 0 wait states | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|-----------+---------------+-------------------+------------|
| > 33MHz | 1 wait state | pins 2 & 3 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 800 X 600 REFRESH RATES |
|------------------------------------------------------------|
| Speed | JV4/1 & 2 | JV4/3 & 4 |
|--------------------+-------------------+-------------------|
| 56MHz (default) | Open | Open |
|--------------------+-------------------+-------------------|
| 56MHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 60MHz | Open | Closed |
|--------------------+-------------------+-------------------|
| 72MHz | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 1024 X 768 REFRESH RATES |
|------------------------------------------------------------|
| Speed | JV4/5 & 6 | JV4/7 & 8 |
|---------------------+-------------------+------------------|
| Interlaced | Open | Open |
|---------------------+-------------------+------------------|
| 60Hz non-interlaced | Open | Closed |
|---------------------+-------------------+------------------|
| 70Hz non-interlaced | Closed | Open |
|---------------------+-------------------+------------------|
| 72Hz non-interlaced | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO FONT SETTINGS |
|------------------------------------------------------------|
| Font | JV4/9 & 10 |
|----------------------------------+-------------------------|
| Standard fonts | Open |
|----------------------------------+-------------------------|
| TUV fonts | Closed |
|------------------------------------------------------------|
| Note: TUV is the German standard for character |
| spacing, and may not be compatible with some DOS |
| applications. |
+------------------------------------------------------------+