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# FREE COMPUTER TECHNOLOGY, INC.
P5F76
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video 1MB
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 interface, serial
ports (2), IR connector, USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | IR connector | IR1 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Power LED & | J1 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | Speaker | J2 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Green PC | J3 |
| interface | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN5 | Turbo LED | J4 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN6 | Reset switch | J5 |
|-------------------+----------+------------------+----------|
| USB connector | CN7 | IDE interface | J6 |
| | | LED | |
|-------------------+----------+------------------+----------|
| PS/2 mouse | CN8 | 32-bit PCI slots | PC1 - |
| interface | | | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | JP10 | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | JP10 | 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 | JP6 | JP7 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 50MHz | 2x | 2 & 3 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 150MHz | 60MHz | 2x | 2 & 3 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+-------+-------+------+------|
| 166MHz | 66MHz | 2x | 1 & 2 | 2 & 3 | 2 & | 2 & |
| | | | | | 3 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP6 | JP7 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+-------+-------+------+------|
| 75MHz | 50MHz | 1.5x | 2 & 3 | 2 & 3 | 2 & | Open |
| | | | | | 3 | |
|--------+--------+------------+-------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & | Open |
| | | | | | 2 | |
|--------+--------+------------+-------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 2 & 3 | 2 & | Open |
| | | | | | 3 | |
|--------+--------+------------+-------+-------+------+------|
| 120MHz | 60MHz | 1.5x | 2 & 3 | 2 & 3 | 1 & | Open |
| | | | | | 2 | |
|--------+--------+------------+-------+-------+------+------|
| 133MHz | 66MHz | 1.5x | 1 & 2 | 2 & 3 | 2 & | Open |
| | | | | | 3 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP6 | JP7 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+-------+------+------+-------|
| 75MHz | 50MHz | 1.5x | 2 & 3 | 2 & | 2 & | Open |
| | | | | 3 | 3 | |
|--------+--------+------------+-------+------+------+-------|
| 90MHz | 60MHz | 1.5x | 2 & 3 | 2 & | 1 & | Open |
| | | | | 3 | 2 | |
|--------+--------+------------+-------+------+------+-------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 2 & | 2 & | Open |
| | | | | 3 | 3 | |
|--------+--------+------------+-------+------+------+-------|
| 120MHz | 60MHz | 2x | 2 & 3 | 2 & | 1 & | 2 & 3 |
| | | | | 3 | 2 | |
|--------+--------+------------+-------+------+------+-------|
| 133MHz | 66MHz | 2x | 1 & 2 | 2 & | 2 & | 2 & 3 |
| | | | | 3 | 3 | |
|--------+--------+------------+-------+------+------+-------|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & | 1 & | 2 & |
| | | | | 3 | 2 | 3, 4 |
| | | | | | | & 5 |
|--------+--------+------------+-------+------+------+-------|
| 166MHz | 66MHz | 2.5x | 1 & 2 | 2 & | 2 & | 2 & |
| | | | | 3 | 3 | 3, 4 |
| | | | | | | & 5 |
|--------+--------+------------+-------+------+------+-------|
| 180MHz | 60MHz | 3x | 2 & 3 | 2 & | 1 & | 1 & |
| | | | | 3 | 2 | 2, 4 |
| | | | | | | & 5 |
|--------+--------+------------+-------+------+------+-------|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & | 2 & | 1 & |
| | | | | 3 | 3 | 2, 4 |
| | | | | | | & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | V core | JP12 | JP13 | JP14 | JP15 |
|---------------+----------+--------+--------+-------+-------|
| 3.3v (CX M1) | 2.5v | 2 & 3 | 2 & 3 | Open | 1 & 2 |
|---------------+----------+--------+--------+-------+-------|
| 3.3v (P55C) | 2.5v | 2 & 3 | 2 & 3 | Open | 1 & 2 |
|---------------+----------+--------+--------+-------+-------|
| 3.3v (CX M2) | 2.8v | 2 & 3 | 2 & 3 | Open | 2 & 3 |
|---------------+----------+--------+--------+-------+-------|
| 3.3v (P55C) | 2.8v | 2 & 3 | 2 & 3 | Open | 2 & 3 |
|---------------+----------+--------+--------+-------+-------|
| 3.3v (AM K5) | 2.92v | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------------+----------+--------+--------+-------+-------|
| 3.3v | N/A | 1 & 2 | 1 & 2 | Open | Open |
|---------------+----------+--------+--------+-------+-------|
| 3.5v | N/A | 1 & 2 | 1 & 2 | 2 & 3 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+