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# FREE COMPUTER TECHNOLOGY, INC.
586F52
Processor 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 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, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port | CN1 | IDE interface | CN6 |
|-------------------+----------+------------------+----------|
| Serial port | CN2 | Front panel | J1 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | VRM connector | VRM |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface | CN5 | | |
|------------------------------------------------------------|
| Note: The front panel connector consists of a |
| speaker, power LED & keylock, IDE interface LED, |
| reset switch, turbo LED and a green PC connector. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | Parallel port IRQ select IRQ7 | JP3 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Parallel port IRQ select IRQ5 | JP3 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | CMOS memory normal operation | JP18 | Open |
|---+-------------------------------+-------+----------------|
| | CMOS memory clear | JP18 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 8MB | (2) 1M x 36 | None |
|----------------+---------------------+---------------------|
| 16MB | (2) 2M x 36 | None |
|----------------+---------------------+---------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 32MB | (2) 4M x 36 | None |
|----------------+---------------------+---------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 64MB | (2) 8M x 36 | None |
|----------------+---------------------+---------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (8) 32K x 8 | (1) 16K/32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (8) 64K x 8 | (1) 16K/32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP15 |
|----------------------------+-------------------------------|
| 256KB | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 512KB | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP11 | JP26 | JP27 |
| speed | speed | | | | |
|----------+--------+------------+----------+--------+-------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 7 | Open | Open |
| | | | & 8 | | |
|----------+--------+------------+----------+--------+-------|
| 90MHz | 60MHz | 1.5x | 3 & 4, 8 | Open | Open |
| | | | & 9 | | |
|----------+--------+------------+----------+--------+-------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 5 | Open | Open |
| | | | & 6, 8 & | | |
| | | | 9 | | |
|----------+--------+------------+----------+--------+-------|
| 120MHz | 60MHz | 2x | 3 & 4, 8 | Closed | Open |
| | | | & 9 | | |
|----------+--------+------------+----------+--------+-------|
| 133MHz | 66MHz | 2x | 1 & 2, 5 | Closed | Open |
| | | | & 6, 8 & | | |
| | | | 9 | | |
|----------+--------+------------+----------+--------+-------|
| 150MHz | 60MHz | 2.5x | 3 & 4, 8 | Closed | 2 & 3 |
| | | | & 9 | | |
|----------+--------+------------+----------+--------+-------|
| 166MHz | 66MHz | 2.5x | 1 & 2, 5 | Closed | 2 & 3 |
| | | | & 6, 8 & | | |
| | | | 9 | | |
|----------+--------+------------+----------+--------+-------|
| 180MHz | 60MHz | 3x | 3 & 4, 8 | Open | 2 & 3 |
| | | | & 9 | | |
|----------+--------+------------+----------+--------+-------|
| 200MHz | 66MHz | 3x | 1 & 2, 5 | Open | 2 & 3 |
| | | | & 6, 8 & | | |
| | | | 9 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP25 |
|-------------------------------+----------------------------|
| 3.45v | Open |
|-------------------------------+----------------------------|
| 3.6v | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRM SELECTION |
|------------------------------------------------------------|
| Type | VRM |
|---------------------+--------------------------------------|
| 3v CPU | Pins 6 & 7, 21 & 22 closed |
|---------------------+--------------------------------------|
| Non 3v CPUs | VRM installed |
|------------------------------------------------------------|
| Note: VRM module is optional and may not be present |
| on all boards. If no VRM is installed, only 3v CPUs |
| may be used. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP1 | JP2 |
|------------------+--------------------+--------------------|
| » | 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|----+-------------+--------------------+--------------------|
| | 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+