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# FREE COMPUTER TECHNOLOGY, INC.
P5F72
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), IR connector, USB connector, ATX power
connector, soft off power supply
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | IR connector | IR1 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Power LED & | J1 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Parallel port | CN2 | Speaker | J2 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN3 | Green PC | J3 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN4 | Turbo LED | J4 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN5 | Reset switch | J5 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | IDE interface | J6 |
| | | LED | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN7 | Soft off power | J7 |
| | | supply | |
|-------------------+----------+------------------+----------|
| USB connector | CN8 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | JP17 | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | JP17 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (2) 1M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 64 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 64 | None | None | (2) 1M x |
| | | | | 32 |
|------+-------------+-------------+------------+------------|
| 16MB | None | (1) 1M x 64 | (2) 1M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (2) 2M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (2) 1M x | (2) 1M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 64 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 64 | None | None | (2) 2M x |
| | | | | 32 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 64 | None | None | (2) 1M x |
| | | | | 32 |
|------+-------------+-------------+------------+------------|
| 24MB | None | (1) 1M x 64 | (2) 2M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 24MB | None | (1) 2M x 64 | (2) 1M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 24MB | None | None | (2) 2M x | (2) 1M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 64 | None | None | (2) 2M x |
| | | | | 32 |
|------+-------------+-------------+------------+------------|
| 32MB | None | (1) 2M x 64 | (2) 2M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (2) 4M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (2) 2M x | (2) 2M x |
| | | | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 64 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 64 | None | None | (2) 4M x |
| | | | | 32 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 64 | None | None | (2) 1M x |
| | | | | 32 |
|------+-------------+-------------+------------+------------|
| 40MB | None | (1) 1M x 64 | (2) 4M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 40MB | None | (1) 4M x 64 | (2) 1M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 40MB | None | None | (2) 4M x | (2) 1M x |
| | | | 32 | 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+--------------+-----------+-----------+-----------|
| 40MB | (1) 4M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|---------+--------------+-----------+-----------+-----------|
| 48MB | (1) 2M x 64 | None | None | (2) 4M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 48MB | (1) 4M x 64 | None | None | (2) 2M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 48MB | None | (1) 2M x | (2) 4M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 48MB | None | (1) 4M x | (2) 2M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 48MB | None | None | (2) 4M x | (2) 2M x |
| | | | 32 | 32 |
|---------+--------------+-----------+-----------+-----------|
| 48MB | (1) 4M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|---------+--------------+-----------+-----------+-----------|
| 64MB | (1) 4M x 64 | None | None | (2) 4M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 64MB | None | (1) 4M x | (2) 4M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 64MB | None | None | (2) 8M x | None |
| | | | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 64MB | None | None | (2) 4M x | (2) 4M x |
| | | | 32 | 32 |
|---------+--------------+-----------+-----------+-----------|
| 64MB | (1) 8M x 64 | None | None | None |
|---------+--------------+-----------+-----------+-----------|
| 64MB | (1) 4M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|---------+--------------+-----------+-----------+-----------|
| 72MB | (1) 1M x 64 | None | None | (2) 8M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 72MB | (1) 8M x 64 | None | None | (2) 1M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 72MB | None | (1) 1M x | (2) 8M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 72MB | None | (1) 8M x | (2) 1M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 72MB | None | None | (2) 8M x | (2) 1M x |
| | | | 32 | 32 |
|---------+--------------+-----------+-----------+-----------|
| 72MB | (1) 8M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|---------+--------------+-----------+-----------+-----------|
| 80MB | (1) 2M x 64 | None | None | (2) 8M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 80MB | (1) 8M x 64 | None | None | (2) 2M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 80MB | None | (1) 2M x | (2) 8M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 80MB | None | (1) 8M x | (2) 2M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 80MB | None | None | (2) 8M x | (2) 2M x |
| | | | 32 | 32 |
|---------+--------------+-----------+-----------+-----------|
| 80MB | (1) 8M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|---------+--------------+-----------+-----------+-----------|
| 96MB | (1) 4M x 64 | None | None | (2) 8M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 96MB | (1) 8M x 64 | None | None | (2) 4M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 96MB | None | (1) 4M x | (2) 8M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 96MB | None | (1) 8M x | (2) 4M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 96MB | None | None | (2) 8M x | (2) 4M x |
| | | | 32 | 32 |
|---------+--------------+-----------+-----------+-----------|
| 96MB | (1) 8M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|---------+--------------+-----------+-----------+-----------|
| 128MB | (1) 8M x 64 | None | None | (2) 8M x |
| | | | | 32 |
|---------+--------------+-----------+-----------+-----------|
| 128MB | None | (1) 8M x | (2) 8M x | None |
| | | 64 | 32 | |
|---------+--------------+-----------+-----------+-----------|
| 128MB | None | None | (2) 8M x | (2) 8M x |
| | | | 32 | 32 |
|---------+--------------+-----------+-----------+-----------|
| 128MB | (1) 8M x 64 | (1) 8M x | None | None |
| | | 64 | | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks 0 & 1, 2 & 3 |
| are interchangeable if only DIMMs or SIMMs are |
| installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | Unidentified |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP11 | JP15 | JP16 |
| speed | speed | | | | | |
|--------+--------+------------+------+-------+-------+------|
| 120MHz | 50MHz | 2x | 2 & | 2 & 3 | 2 & 3 | 2 & |
| | | | 3 | | | 3 |
|--------+--------+------------+------+-------+-------+------|
| 133MHz | 55MHz | 2x | 2 & | 2 & 3 | 2 & 3 | 1 & |
| | | | 3 | | | 2 |
|--------+--------+------------+------+-------+-------+------|
| 150MHz | 60MHz | 2x | 2 & | 1 & 2 | 2 & 3 | 2 & |
| | | | 3 | | | 3 |
|--------+--------+------------+------+-------+-------+------|
| 166MHz | 66MHz | 2x | 2 & | 2 & 3 | 1 & 2 | 2 & |
| | | | 3 | | | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP11 | JP15 | JP16 |
| speed | speed | | | | | |
|--------+--------+------------+------+-------+-------+------|
| 75MHz | 50MHz | 1.5x | Open | 2 & 3 | 2 & 3 | 2 & |
| | | | | | | 3 |
|--------+--------+------------+------+-------+-------+------|
| 90MHz | 60MHz | 1.5x | Open | 1 & 2 | 2 & 3 | 2 & |
| | | | | | | 3 |
|--------+--------+------------+------+-------+-------+------|
| 100MHz | 66MHz | 1.5x | Open | 2 & 3 | 1 & 2 | 2 & |
| | | | | | | 3 |
|--------+--------+------------+------+-------+-------+------|
| 120MHz | 60MHz | 1.5x | Open | 1 & 2 | 2 & 3 | 2 & |
| | | | | | | 3 |
|--------+--------+------------+------+-------+-------+------|
| 133MHz | 66MHz | 1.5x | Open | 2 & 3 | 1 & 2 | 2 & |
| | | | | | | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP11 | JP15 | JP16 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | Open | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | Open | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | Open | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 66MHz | 2x | 2 & 3 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2.5x | 2 & | 1 & 2 | 2 & | 2 & |
| | | | 3, 4 | | 3 | 3 |
| | | | & 5 | | | |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & 3 | 1 & | 2 & |
| | | | 3, 4 | | 2 | 3 |
| | | | & 5 | | | |
|--------+--------+------------+-------+-------+------+------|
| 200MHz | 66MHz | 3x | 1 & | 2 & 3 | 1 & | 2 & |
| | | | 2, 4 | | 2 | 3 |
| | | | & 5 | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | Voltage | JP4 |
|--------------------+------------------+--------------------|
| CX M1 | Single | Pins 1 & 2 closed |
|--------------------+------------------+--------------------|
| CX 6X86L/M2 | Dual | Pins 2 & 3 closed |
|--------------------+------------------+--------------------|
| AM K5 | Single | Pins 1 & 2 closed |
|--------------------+------------------+--------------------|
| AM K5 PRxx xHx | Dual | Pins 2 & 3 closed |
|--------------------+------------------+--------------------|
| P54C/CT/CTB | Single | Pins 1 & 2 closed |
|--------------------+------------------+--------------------|
| P55C | Dual | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP1 | JP2 |
|------------------+--------------------+--------------------|
| 2.5v | Open | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2.6v | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2.7v | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 2.8v | Open | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 2.9v | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 3.2v | Pins 1 & 2 closed | Open |
|------------------+--------------------+--------------------|
| 3.3v | Open | Open |
|------------------+--------------------+--------------------|
| 3.5v | Pins 2 & 3 closed | Open |
+------------------------------------------------------------+