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# FIRST INTERNATIONAL COMPUTER, INC.
486-VIP-IO2
Processor CX486S/80486SX/SL80486SX/AM486DX/CX486DX/SL80486DX/AM486DX2/
AM486DXL2/80486DX2/AM486DXL4/AM486DX4/80486DX4/P24C/P24D/
P24S/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 128/256/512/1024KB
BIOS Award
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slots (2), 32-bit PCI slots (4), floppy drive
Options interface, game port, 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 |
|------------------+----------+-------------------+----------|
| Floppy drive | CN2 | Turbo switch | J9 |
| interface | | | |
|------------------+----------+-------------------+----------|
| Game port | CN3 | Turbo LED | J10 |
|------------------+----------+-------------------+----------|
| IDE interface | CN4 | External battery | J11 |
| (secondary) | | | |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN7 | Green PC LED | J12 |
|------------------+----------+-------------------+----------|
| Serial port 2 | CN8 | Green PC | J13 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Parallel port | CN9 | IDE interface LED | J21 |
|------------------+----------+-------------------+----------|
| PS/2 mouse | CN10 | IDE interface | J24 |
| interface | | (primary) | |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | CN11 | Chassis fan power | J26 |
|------------------+----------+-------------------+----------|
| Daughter board | J2 | Green PC | J39 |
| connector | | connector | |
|------------------+----------+-------------------+----------|
| Speaker | J5 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|------------------+----------+-------------------+----------|
| Reset switch | J6 | 32-bit VESA local | SL1 & |
| | | bus slots | SL2 |
|------------------+----------+-------------------+----------|
| Power LED & | J8 | | |
| keylock | | | |
|------------------------------------------------------------|
| Note: The location of J26 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | J7 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J7 | Closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select | J29 | Open |
| | monochrome/EGA/VGA | | |
|---+----------------------------------+--------+------------|
| | Monitor type select CGA | J29 | Closed |
|---+----------------------------------+--------+------------|
| » | CPU type select all types | J37 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CPU type select Cyrix only | J37 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | P24T/P24D cache type select | JC4 | Open |
| | write through | | |
|---+----------------------------------+--------+------------|
| | P24T/P24D cache type select | JC4 | Closed |
| | write back | | |
|---+----------------------------------+--------+------------|
| » | AMD CPU type select DX2 | JC5 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | AMD CPU type select DX4 | JC5 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | IDE interface pin 27 open | JP3 | Open |
|---+----------------------------------+--------+------------|
| | IDE interface pin 27 linked to | JP3 | Closed |
| | IOCHRDY signal | | |
|---+----------------------------------+--------+------------|
| » | Game port enabled | JW7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Game port disabled | JW7 | pins 1 & 2 |
| | | | closed |
|------------------------------------------------------------|
| Note: The location of JP3 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | (1) 1M x 36 | (1) 8M x 36 | NONE | (1) 8M x |
| | | | | 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 | |
|-------+-------------+------------+------------+------------|
| 97MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 256K x |
| | | 36 | 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) 128K x 8 | NONE | (1) 32K x 8 |
|-------+--------------+--------------+----------------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 or (1) |
| | | | 64K 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 | 1 & 2 | 1 & 2 | 1 & 2 | 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 |
|--------------------+-------------------+-------------------|
| CX486S | pins 2 & 3 closed | pins 2 & 3 closed |
|--------------------+-------------------+-------------------|
| 80486SX | pins 2 & 3 closed | pins 2 & 3 closed |
|--------------------+-------------------+-------------------|
| CX486DX | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| SL80486DX | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| AM486DXL2 | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| AM486DX2 | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| SL80486DX2 | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| AM486DXL4 | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| AM486DX4 | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| 80486DX4 | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| P24D | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| P24S | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| Pentium Overdrive | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | RN11 | RN12 | RN13 | RN40 |
|------------+-----------+-----------+-----------+-----------|
| CX486S | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486SX | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| CX486DX | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| AM486DX | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| AM486DX2 | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| AM486DXL2 | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX2 | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| AM486DXL4 | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| AM486DX4 | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| 80486DX4 | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| P24C | Installed | Not | Not | Installed |
| | | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| P24D | Installed | Not | Not | Installed |
| | | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| P24S | Not | Not | Not | Installed |
| | installed | installed | installed | |
|------------+-----------+-----------+-----------+-----------|
| Pentium | Installed | Not | Not | Installed |
| Overdrive | | installed | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU PCI CLOCK CONFIGURATION |
|------------------------------------------------------------|
| Type | J28 | JT1 |
|--------------------+-------------------+-------------------|
| PCICLK = CPUCLK | pins 1 & 2 closed | pins 1 & 2 closed |
|--------------------+-------------------+-------------------|
| PCICLK = CPUCLK/2 | pins 2 & 3 closed | pins 2 & 3 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 |
|---------+------------+------------+------------+-----------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE CONFIGURATION |
|------------------------------------------------------------|
| Setting | J23 | JP1 |
|------------------------------------------+--------+--------|
| IDE interface pin 28 open | Open | Open |
|------------------------------------------+--------+--------|
| IDE interface pin 28 linked to BALE | Closed | Closed |
| signal | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD CONFIGURATION |
|------------------------------------------------------------|
| Type | JX1 | RN22 | RN23 | RN32 |
|----------+----------+------------+------------+------------|
| Internal | pins 1 & | Installed | Not | Not |
| | 2 closed | | installed | installed |
|----------+----------+------------+------------+------------|
| External | pins 2 & | Not | Installed | Installed |
| | 3 closed | installed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PRINTER DMA MODE CONFIGURATION |
|------------------------------------------------------------|
| DMA | JW5 | JW6 |
|------------------+--------------------+--------------------|
| DMA 1 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DMA 3 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WINBOND CHIP CONFIGURATION |
|------------------------------------------------------------|
| Type | JW1 | JW2 |
|------------------+--------------------+--------------------|
| W757AF/767F | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| W777AF/787F | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+