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# FIRST INTERNATIONAL COMPUTER, INC.
486-PVT-IO
Processor CX486S/80486SX/SL80486SX/AM486DX/CX486DXV/CX486DX/80486DX/
AM486DX2/CX486DX2V/CX486DX2/80486DX2/SL80486DX2/AM486DX4/
80486DX4/P24CT/P24D/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set VIA
Max. 128MB
Onboard
DRAM
Cache 256/512/1024KB
BIOS Award
Dimensions 244mm x 218mm
I/O 32-bit VESA local bus slots (2), floppy drive interface, game port,
Options green PC connector, IDE interfaces (2), parallel port, PS/2 mouse
port, PS/2 mouse interface, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| PS/2 mouse port | CN2 | External | J6 |
| | | battery | |
|--------------------+----------+-----------------+----------|
| PS/2 mouse | CN3 | Chassis fan | J7 |
| interface | | power | |
|--------------------+----------+-----------------+----------|
| Game interface | CN5 | Green PC | J9 |
| | | connector | |
|--------------------+----------+-----------------+----------|
| IDE interface | CN6 | Daughter board | J10 |
| (primary) | | connector | |
|--------------------+----------+-----------------+----------|
| IDE interface | CN7 | IDE interface | J13 |
| (secondary) | | LED | |
|--------------------+----------+-----------------+----------|
| Parallel port | CN9 | Turbo LED | J14 |
|--------------------+----------+-----------------+----------|
| Serial port 2 | CN10 | Turbo switch | J15 |
|--------------------+----------+-----------------+----------|
| Serial port 1 | CN11 | Speaker | J16 |
|--------------------+----------+-----------------+----------|
| Floppy drive | CN12 | Reset switch | J17 |
| interface | | | |
|--------------------+----------+-----------------+----------|
| Green PC connector | J1 | Power LED & | J18 |
| | | keylock | |
|--------------------+----------+-----------------+----------|
| Green PC LED | J2 | 32-bit VESA | SL1 & |
| | | local bus slots | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | IDE interface enabled | JG | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | JG | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Floppy drive interface enabled | JH | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Floppy drive interface disabled | JH | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port bidirectional | JI | Open |
|---+----------------------------------+--------+------------|
| | Parallel port unidirectional | JI | Closed |
| | (printer) | | |
|---+----------------------------------+--------+------------|
| | CMOS memory normal operation | JCP | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory clear | JCP | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select | J4 | Open |
| | monochrome/EGA/VGA | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select CGA | J4 | Closed |
|---+----------------------------------+--------+------------|
| | IDE interface pin 27 open | JP1 | Open |
|---+----------------------------------+--------+------------|
| » | IDE interface pin 27 linked to | JP1 | Closed |
| | IOCHRDY signal | | |
|---+----------------------------------+--------+------------|
| » | Game port enabled | JW7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Game port disabled | JW7 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+--------------+------------+------------+------------|
| 1MB | NONE | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+--------------+------------+------------+------------|
| 1MB | NONE | NONE | (1) 256K x | NONE |
| | | | 36 | |
|------+--------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 2MB | (1) 256K x | NONE | (1) 256K x | NONE |
| | 36 | | 36 | |
|------+--------------+------------+------------+------------|
| 2MB | NONE | NONE | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+--------------+------------+------------+------------|
| 2MB | NONE | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+--------------+------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+--------------+------------+------------+------------|
| 3MB | NONE | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+--------------+------------+------------+------------|
| 3MB | (1) 256K x | NONE | (1) 256K x | (1) 256K x |
| | 36 | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 4MB | NONE | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 4MB | NONE | NONE | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | NONE | (1) 1M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | NONE | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | NONE | (1) 256K x | (1) 1M x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | NONE | (1) 1M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 1M x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 256K x | (1) 1M x 36 | (1) 256K x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | NONE | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | NONE | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 256K x | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | 36 | | 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) 1M x 36 | NONE | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | NONE | NONE | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 1M x 36 | (1) 256K x | (1) 1M x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | NONE | (1) 256K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | NONE | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | NONE | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | NONE | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 1M x 36 | (1) 256K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | NONE | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | NONE | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | NONE | (1) 4M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 17MB | NONE | (1) 256K x | (1) 4M x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 17MB | NONE | (1) 4M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 4M x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 256K x | (1) 4M x 36 | (1) 256K x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 18MB | NONE | (1) 4M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 19MB | (1) 256K x | (1) 4M x 36 | (1) 256K x | (1) 256K x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | NONE | (1) 1M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | NONE | (1) 4M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 21MB | (1) 256K x | (1) 1M x 36 | (1) 4M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 21MB | (1) 256K x | (1) 4M x 36 | (1) 1M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 21MB | (1) 1M x 36 | (1) 256K x | (1) 4M x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 21MB | (1) 1M x 36 | (1) 4M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 22MB | (1) 1M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | NONE | (1) 4M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 25MB | (1) 256K x | (1) 4M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | NONE | NONE | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | NONE | (1) 8M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | NONE | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 33MB | NONE | (1) 256K x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | NONE | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | NONE | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | NONE | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 37MB | (1) 256K x | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 37MB | (1) 1M x 36 | (1) 256K x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | NONE | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 49MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 52MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | NONE | (1) 8M x 36 | (1) 8M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 65MB | (1) 256K x | (1) 8M x 36 | (1) 8M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 66MB | (1) 256K x | (1) 256K x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 66MB | (1) 256K x | (1) 8M x 36 | (1) 256K x | (1) 8M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 66MB | (1) 8M x 36 | (1) 8M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 68MB | NONE | (1) 1M x 36 | (1) 8M x | (1) 8M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 68MB | (1) 8M x 36 | (1) 8M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 69MB | (1) 256K x | (1) 8M x 36 | (1) 1M x | (1) 8M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 69MB | (1) 1M x 36 | (1) 256K x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 69MB | (1) 1M x 36 | (1) 8M x 36 | (1) 256K x | (1) 8M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 8M x | (1) 1M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 4M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 81MB | (1) 256K x | (1) 4M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 81MB | (1) 256K x | (1) 8M x | (1) 4M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 84MB | (1) 1M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 84MB | (1) 1M x 36 | (1) 8M x | (1) 4M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------+--------------+--------------+----------------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 or (1) |
| | | | 32K x 8 |
|-------+--------------+--------------+----------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|-------+--------------+--------------+----------------------|
| 256KB | (4) 64K x 8 | NONE | (1) 32K x 8 |
|-------+--------------+--------------+----------------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|-------+--------------+--------------+----------------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
|-------+--------------+--------------+----------------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 64K x 8 or (1) |
| | | | 128K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JS1 | JS2 | JS3 | JS4 | JS5 | JS6 |
|--------+--------+--------+--------+--------+-------+-------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 256KB | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JC1 | JC2 | JC3 | JC4 | JX2 |
|-------------+---------+---------+---------+-------+--------|
| CX486S | 2 & 3 | 2 & 3 | 1 & 2 | Open | 2 & 3 |
|-------------+---------+---------+---------+-------+--------|
| 80486SX | 2 & 3 | 2 & 3 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+-------+--------|
| SL80486SX | 2 & 3 | 2 & 3 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+-------+--------|
| AM486DX | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+-------+--------|
| cx486dxV | 1 & 2 | 1 & 2 | 1 & 2 | Open | 2 & 3 |
|-------------+---------+---------+---------+-------+--------|
| cx486dx | 1 & 2 | 1 & 2 | 1 & 2 | Open | 2 & 3 |
|-------------+---------+---------+---------+-------+--------|
| 80486DX | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+-------+--------|
| AM486DX2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+-------+--------|
| cx486dx2V | 1 & 2 | 1 & 2 | 1 & 2 | Open | 2 & 3 |
|-------------+---------+---------+---------+-------+--------|
| cx486dx2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 2 & 3 |
|-------------+---------+---------+---------+-------+--------|
| 80486DX2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JC1 | JC2 | JC3 | JC4 | JX2 |
|-------------+---------+---------+---------+--------+-------|
| SL80486DX2 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+--------+-------|
| AM486DX4 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+--------+-------|
| 80486DX4 | 1 & 2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|-------------+---------+---------+---------+--------+-------|
| P24CT | 1 & 2 | 1 & 2 | 1 & 2 | Closed | 1 & 2 |
|-------------+---------+---------+---------+--------+-------|
| P24D | 1 & 2 | 1 & 2 | 1 & 2 | Closed | 1 & 2 |
|-------------+---------+---------+---------+--------+-------|
| P24T | 1 & 2 | 1 & 2 | 1 & 2 | Closed | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | RN26 | RN27 | RN28 | RN32 |
|------------+-----------+-----------+-----------+-----------|
| CX486S | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| 80486SX | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486SX | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| AM486DX | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| cx486dxV | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| cx486dx | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| AM486DX2 | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| cx486dx2V | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| cx486dx2 | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX2 | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX2 | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| AM486DX4 | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| 80486DX4 | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| P24CT | Installed | Not | Installed | Not |
| | | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| P24D | Installed | Not | Installed | Not |
| | | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| P24T | Not | Not | Installed | Not |
| | installed | installed | | installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 2 & 3 | pins 1 & 2 | pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 66iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 75iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 100iMHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & |
| | closed | closed | closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (AM486DX2 ONLY) |
|------------------------------------------------------------|
| Speed | J19 | J20 |
|--------------------+-------------------+-------------------|
| 2x | Closed | Closed |
|--------------------+-------------------+-------------------|
| 3x | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | J2 | J3 |
|------------------+--------------+--------------------------|
| 3.45v | Open | Open |
|------------------+--------------+--------------------------|
| 3.6v | Open | pins 1 & 2 closed |
|------------------+--------------+--------------------------|
| 4v | Open | pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: Jumpers J2 & J3 are located on the daughter board. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DAUGHTER BOARD CONFIGURATION |
|------------------------------------------------------------|
| Setting | J10 |
|---------------+--------------------------------------------|
| Not installed | pins 1 & 2, 3 & 4, 13 & 15, 15 & 16 closed |
|---------------+--------------------------------------------|
| Installed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JV1 |
|----------------------------+-------------------------------|
| 0 wait states | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 1 wait state | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JV2 |
|----------------------------+-------------------------------|
| <= 33MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| > 33MHz | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JW5 | JW6 |
|------------------+--------------------+--------------------|
| DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE R/W SIGNAL CONFIGURATION |
|------------------------------------------------------------|
| Type | JR1 | JR2 |
|------------------+--------------------+--------------------|
| VT82C496G | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| W83758 | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE CONFIGURATION |
|------------------------------------------------------------|
| Setting | J5 | JP2 |
|------------------------------------------+--------+--------|
| IDE interface pin 28 open | Open | Open |
|------------------------------------------+--------+--------|
| IDE interface pin 28 linked to BALE | Closed | Closed |
| signal | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Type | JW3 | JW4 |
|------------------+--------------------+--------------------|
| Print | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| EPP/SPP | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| EPP/ECP | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| EXT2FDD | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Address | JE | JF |
|------------------+--------------------+--------------------|
| 378H | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 278H | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3BCH | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| Address | JA | JB |
|------------------+--------------------+--------------------|
| 3F8H | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2E8H | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 3E8H | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| Address | JC | JD |
|------------------+--------------------+--------------------|
| 378H | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2E8H | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 3E8H | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+