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# FIRST INTERNATIONAL COMPUTER, INC.
486-GIO-VP
Processor CX486S/80486SX/80486DX/80486DX2/80486DX4/Pentium
Overdrive
Processor 25/33/40/50(internal)/50MHz
Speed
Chip Set VIA
Max. Onboard 96MB
DRAM
Cache 64/128/256KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2), floppy drive
interface, IDE interface,
parallel port, PS/2 mouse port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| PS/2 mouse port | CN2 | External | J13 |
| | | battery | |
|---------------------+----------+----------------+----------|
| AT keyboard | CN3 | Turbo LED | J14 |
| connector | | | |
|---------------------+----------+----------------+----------|
| PS/2 mouse pin | CN4 | Turbo switch | J15 |
| connector | | | |
|---------------------+----------+----------------+----------|
| Parallel port | CN8 | Reset switch | J16 |
|---------------------+----------+----------------+----------|
| Floppy drive | CN9 | Speaker | J17 |
| interface | | | |
|---------------------+----------+----------------+----------|
| IDE interface | CN10 | Power LED & | J18 |
| | | keylock | |
|---------------------+----------+----------------+----------|
| Serial port 1 | CN11 | Hardware sleep | J19 |
|---------------------+----------+----------------+----------|
| Serial port 2 | CN12 | Green status | J20 |
| | | LED | |
|---------------------+----------+----------------+----------|
| IDE interface LED | J6 | 32-bit VESA | S1 |
| | | local bus slot | |
|---------------------+----------+----------------+----------|
| 3.3V Daughterboard | J11 | 32-bit VESA | S2 |
| connector | | local bus slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | J1 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | J2 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome, | J2 | Open |
| | EGA & VGA | | |
|---+----------------------------------+--------+------------|
| » | ISA master transfer rate for | J3 | Closed |
| | >5.7MB/sec. | | |
|---+----------------------------------+--------+------------|
| | ISA master transfer rate for | J3 | Open |
| | 5.0MB/sec. | | |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | J7 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J7 | Closed |
|---+----------------------------------+--------+------------|
| » | IDE interface enabled | J10 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | J10 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J21 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | DX4 clock mode - 2X | JC6 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | DX4 clock mode - 2.5X | JC6 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | DX4 clock mode - 3X | JC6 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JF | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP1 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP3 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Pentium Overdrive write-back | JT1 | pins 1 & 2 |
| | cache | | closed |
|---+----------------------------------+--------+------------|
| | Pentium Overdrive write-through | JT1 | pins 2 & 3 |
| | cache | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JX1 | pins 1 & 2 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL ACTIVITY JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JV4 | JV5 |
|------------------------+-----------------+-----------------|
| » | VGA or local IDE | pins 1 & 2 | pins 1 & 2 |
| | disabled | closed | closed |
|---+--------------------+-----------------+-----------------|
| | SL13 enabled | pins 2 & 3 | N/A |
| | | closed | |
|---+--------------------+-----------------+-----------------|
| | SL14 enabled | N/A | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT DIRECTION CONFIGURATION |
|------------------------------------------------------------|
| Direction | JG | JH |
|------------------+--------------------+--------------------|
| Output | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Input | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Bi-directional | pins 2 & 3 closed | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 2MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 3MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 5MB | (4) 256K x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 256K x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 5MB | (4) 1M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 1M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 5MB | NONE | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 5MB | NONE | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 256K x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 6MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 12MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (4) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | (4) 256K x 9 | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 17MB | (4) 256K x 9 | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | NONE | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | NONE | (1) 16M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | (4) 4M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 17MB | (4) 4M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 256K x 9 | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 256K x 9 | (1) 16M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 18MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (4) 4M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | NONE | (1) 4M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | NONE | (1) 16M x 36 | (1) 4M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 256K x 9 | (4) 4M x 9 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 256K x 9 | (1) 16M x 36 | (4) 4M x 9 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 1M x 9 | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 1M x 9 | (1) 16M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 4M x 9 | (1) 1M x 36 | (4) 4M x 9 |
|------------+---------------+---------------+---------------|
| 21MB | (4) 4M x 9 | (4) 4M x 9 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 1M x 9 | (1) 16M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (1) 16M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (1) 32M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | NONE | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 256K x 9 | (1) 16M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 4M x 9 | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 4M x 9 | (1) 16M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 1M x 9 | (1) 16M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 4M x 9 | (1) 4M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 4M x 9 | (1) 16M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (4) 4M x 9 | (1) 16M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (4) 16M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | NONE | (1) 32M x 36 | (1) 32M x 36 |
|------------+---------------+---------------+---------------|
| 65MB | (4) 16M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 65MB | (4) 16M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 66MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 68MB | (4) 16M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 68MB | (4) 16M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 16M x 9 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 69MB | (4) 16M x 9 | (1) 4M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (4) 16M x 9 | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 80MB | (4) 16M x 9 | NONE | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 16M x 9 | (1) 1M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 81MB | (4) 16M x 9 | (1) 16M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 16M x 9 | (1) 4M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 84MB | (4) 16M x 9 | (1) 16M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (4) 16M x 9 | (1) 16M x 36 | (1) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE CONFIGURATION |
|------------------------------------------------------------|
| Setting | J4 | J5 |
|-------------------------------+--------------+-------------|
| Pin 27 link to IOCHRDY signal | Closed | Closed |
|-------------------------------+--------------+-------------|
| Pin 27 open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD CONTROLLER SELECTION |
|------------------------------------------------------------|
| Type |JX3|JX4| RN4 | RN5 | RN7 | RN8 |
|------------+---+---+---------+---------+---------+---------|
|Internal w/ |2 &|2 &| Not | Not | Not |Installed|
| PS/2 mouse | 3 | 3 |installed|installed|installed| |
|------------+---+---+---------+---------+---------+---------|
| Internal |2 &|1 &| Not |Installed| Not | Not |
| w/out PS/2 | 3 | 2 |installed| |installed|installed|
|------------+---+---+---------+---------+---------+---------|
| External |1 &|1 &|Installed| Not |Installed| Not |
| | 2 | 2 | |installed| |installed|
|------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+-------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|-------------------------------------------------------------|
| Type |JC1|JC2| JC3 |JC4| JC5 | JC7 | RN20 |RN21| RN22 |
|---------+---+---+------+---+------+------+------+----+------|
| CX486S |2 &|2 &| Open |1 &| Open | Open |Closed|Open| Open |
| | 3 | 3 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
|CX486S & |1 &|1 &| Open |1 &| N/A | Open | N/A |N/A | N/A |
| CX487S | 2 | 2 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
| CX486DX |1 &|1 &| Open |1 &| Open | Open |Closed|Open| Open |
| | 2 | 2 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
| 80486SX |2 &|2 &| Open |1 &| Open |Closed| Open |Open| Open |
| | 3 | 3 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
| 80486DX |1 &|1 &| Open |1 &| Open |Closed|Closed|Open| Open |
| | 2 | 2 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
|80486DX2 |1 &|1 &| Open |1 &| Open |Closed|Closed|Open| Open |
| | 2 | 2 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
|AMD486DXL|1 &|1 &| Open |1 &| Open |Closed| Open |Open|Closed|
| | 2 | 2 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
|80486DX4 |1 &|1 &| Open |1 &|Closed|Closed| Open |Open|Closed|
| | 2 | 2 | | 2 | | | | | |
|---------+---+---+------+---+------+------+------+----+------|
| Pentium |1 &|1 &|Closed|2 &|Closed|Closed| Open |Open| Open |
|Overdrive| 2 | 2 | | 3 | | | | | |
|-------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+-------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Type | JCX1 | JCX2 | JP2 | JX2 |
|-----------+---------------+----------+----------+----------|
| Intel | pins 1 & 2 | pins 1 & | pins 2 & | pins 2 & |
| | closed | 2 closed | 3 closed | 3 closed |
|-----------+---------------+----------+----------+----------|
| Cyrix | pins 2 & 3 | pins 2 & | pins 2 & | pins 2 & |
| | closed | 3 closed | 3 closed | 3 closed |
|-----------+---------------+----------+----------+----------|
| Any other | N/A | N/A | pins 1 & | pins 1 & |
| | | | 2 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION ||
|-----------------------------------------------------------+|
| Speed | JK1 | JK2 | JK3 | JK4 ||
|--------+-------------+------------+------------+----------||
| 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & ||
| | closed | closed | closed | 2 closed ||
|--------+-------------+------------+------------+----------||
| 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & ||
| | closed | closed | closed | 2 closed ||
|--------+-------------+------------+------------+----------||
| 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & ||
| | closed | closed | closed | 2 closed ||
|--------+-------------+------------+------------+----------||
| 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & ||
| | closed | closed | closed | 2 closed ||
|--------+-------------+------------+------------+----------||
| 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & ||
| | closed | closed | closed | 3 closed ||
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL IDE SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J8 | J9 |
|------------------+--------------------+--------------------|
| Normal | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Medium | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Fast | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE/BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | Wait states | JV2 | JV3 |
|---------+---------------+-----------------+----------------|
| £ 33MHz | 0 wait states | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|---------+---------------+-----------------+----------------|
| > 33MHz | 1 wait state | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
+------------------------------------------------------------+