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# FREE COMPUTER TECHNOLOGY, INC.
P5F83
Processor CX 6X86/CX 6X86L/CX 6X86MX/IBM 6X86/IBM
6X86L/IBM 6X86MX AM K5/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS Award
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Green PC | C1 | Serial port 1 | CN3 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Turbo LED | C2 | Parallel port | CN4 |
|-------------------+----------+------------------+----------|
| Reset switch | C3 | IDE interface 2 | CN5 |
|-------------------+----------+------------------+----------|
| IDE interface LED | C4 | IDE interface 1 | CN6 |
|-------------------+----------+------------------+----------|
| Power LED & | C5 | PS/2 mouse | CN7 |
| keylock | | interface | |
|-------------------+----------+------------------+----------|
| Speaker | C6 | IR connector | IR1 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN1 | 32-bit PCI slots | PC1 – |
| interface | | | PC4 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | USB connector | USB |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP1 | Open |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP1 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM/DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 8MB | None | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | None | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 16MB | None | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 24MB | None | (1) 1M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | None | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | None | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | None | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 40MB | None | (1) 1M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | None | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (2) 2M x 36 | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | None | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | None | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | None | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 72MB | None | (1) 1M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 72MB | (2) 8M x 36 | None | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | None | (1) 8M x 64 | (1) 2M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM/DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|----------+-----------------+---------------+---------------|
| 80MB | (2) 2M x 36 | None | (1) 8M x 64 |
|----------+-----------------+---------------+---------------|
| 96MB | None | (1) 4M x 64 | (1) 8M x 64 |
|----------+-----------------+---------------+---------------|
| 96MB | (2) 4M x 36 | None | (1) 8M x 64 |
|----------+-----------------+---------------+---------------|
| 128MB | None | (1) 8M x 64 | (1) 8M x 64 |
|----------+-----------------+---------------+---------------|
| 128MB | (2) 8M x 36 | None | (1) 8M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Memory installed in |
| Banks 1 & 2 is interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|---------------+----------------------+---------------------|
| 512KB | (1) 64K x 64 | Unidentified |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86/6X86L) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x | On | Off | On | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x | On | Off | Off | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | On | Off | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | On | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86/6X86L) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x | On | Off | On | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 55MHz | 2x | On | Off | Off | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | On | Off | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | On | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | On | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 2.5x | On | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3x | Off | On | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86MX) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | On | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 2.5x | On | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3x | Off | On | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Off | Off | On | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Off | Off | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Off | Off | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x | Off | Off | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x | On | Off | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 1.75x | On | On | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 1.75x | On | On | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | On | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | Off | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | Off | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Off | Off | On | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Off | Off | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Off | Off | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | On | Off | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | On | Off | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | On | On | On | On | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | On | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | Off | On | On | Off | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | Off | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP9 | JP10 | SW1/6 | SW1/7 | SW1/8 |
|-------------+---------+----------+--------+--------+-------|
| | 2.0v | 2 & 3 | Open | Off | Off | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 2.1v | 2 & 3 | Open | On | Off | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 2.2v | 2 & 3 | Open | Off | On | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 2.3v | 2 & 3 | Open | On | On | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 2.4v | 2 & 3 | Open | Off | Off | On |
|----+--------+---------+----------+--------+--------+-------|
| | 2.5v | 2 & 3 | Open | On | Off | On |
|----+--------+---------+----------+--------+--------+-------|
| | 2.6v | 2 & 3 | Open | Off | On | On |
|----+--------+---------+----------+--------+--------+-------|
| | 2.7v | 2 & 3 | Open | On | On | On |
|----+--------+---------+----------+--------+--------+-------|
| | 2.8v | 2 & 3 | Closed | Off | Off | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 2.9v | 2 & 3 | Closed | On | Off | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 3.0v | 2 & 3 | Closed | Off | On | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 3.1v | 2 & 3 | Closed | On | On | Off |
|----+--------+---------+----------+--------+--------+-------|
| | 3.2v | 2 & 3 | Closed | Off | Off | On |
|----+--------+---------+----------+--------+--------+-------|
| | 3.3v | 1 & 2 | Closed | On | Off | On |
|----+--------+---------+----------+--------+--------+-------|
| | 3.4v | 1 & 2 | Closed | Off | On | On |
|----+--------+---------+----------+--------+--------+-------|
| » | 3.5v | 1 & 2 | Closed | On | On | On |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+