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# EPOX COMPUTER CO., LTD.
P55TV2
Processor CX 6X86/IBM 6X86/CX 6X86MX/AM K5/AM
K6/Pentium
Processor Speed 90/100/120/133/150/166/180/200/225/233/266MHz
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
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+-------------+---------------+-------------|
| USB connector | CN1 | Speaker | J2/pins 7 - |
| | | | 10 |
|----------------+-------------+---------------+-------------|
| Parallel port | CN2 | Reset switch | J2/pins 12 |
| | | | & 13 |
|----------------+-------------+---------------+-------------|
| Serial port 2 | CN3 | Green PC | J2/pins 15 |
| | | connector | & 16 |
|----------------+-------------+---------------+-------------|
| Serial port 1 | CN4 | Green PC LED | J2/pins 18 |
| | | | & 19 |
|----------------+-------------+---------------+-------------|
| Floppy drive | CN5 | Turbo LED | J2/pins 20 |
| interface | | | & 21 |
|----------------+-------------+---------------+-------------|
| IDE interface | CN6 | IDE interface | J2/pins 23 |
| 2 | | LED | & 24 |
|----------------+-------------+---------------+-------------|
| IDE interface | CN7 | Chassis fan | J3 |
| 1 | | power | |
|----------------+-------------+---------------+-------------|
| PS/2 mouse | J1 | IR connector | J4 |
| interface | | | |
|----------------+-------------+---------------+-------------|
| Power LED & | J2/pins 1 – | 32-bit PCI | PC1 – PC4 |
| keylock | 5 | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | Flash BIOS voltage select 5v | JP2 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | JP2 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | Flash BIOS normal operation | JP3 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS boot block enabled | JP3 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM 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) 4M x 36 | (2) 2M 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) 8M x 36 | (2) 2M 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/ SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 1M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 24MB | None | (2) 2M x 36 | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 4M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 32MB | None | (2) 2M x 36 | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 2M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 4M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | None | None | None | (1) 8M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 4M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 72MB | (2) 8M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 80MB | (2) 2M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|----------+-------------+------------+----------+-----------|
| 80MB | (2) 8M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|----------+-------------+------------+----------+-----------|
| 96MB | (2) 4M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|----------+-------------+------------+----------+-----------|
| 96MB | (2) 8M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|----------+-------------+------------+----------+-----------|
| 96MB | (2) 8M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|----------+-------------+------------+----------+-----------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|----------+-------------+------------+----------+-----------|
| 128MB | (2) 8M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Memory in banks 0 & 1 and |
| 2 & 3 are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP1 |
|----------------------------+-------------------------------|
| 3.3v | Pins 5 & 6, 7 & 8 closed |
|----------------------------+-------------------------------|
| 5v | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | (1) 16K X 8 |
|------------------------------------------------------------|
| Note: The location of the TAG is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP5 |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 12 & 25 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2x | Pins 3 & 16 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2x | Pins 4 & 17 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 2x | Pins 13 & 26 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP5 |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 12 & 25 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2x | Pins 3 & 16 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2x | Pins 4 & 17 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 2x | Pins 13 & 26 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP5 |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 12 & 25 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2x | Pins 3 & 16 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2x | Pins 4 & 17 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 2x | Pins 13 & 26 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86L) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP5 |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 12 & 25 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2x | Pins 3 & 16 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2x | Pins 4 & 17 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 2x | Pins 13 & 26 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP5 |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | Pins 5 & 18 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | Pins 6 & 19 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 66MHz | 4x | Pins 8 & 21 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 66MHz | 4.5x | Pins 10 & 23 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5/K6) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP5 |
|-----------+-------------+------------+---------------------|
| 90MHz | 60MHz | 1.5x | Pins 1 & 14 closed |
|-----------+-------------+------------+---------------------|
| 100MHz | 66MHz | 1.5x | Pins 2 & 15 closed |
|-----------+-------------+------------+---------------------|
| 120MHz | 60MHz | 2x | Pins 3 & 16 closed |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 4 & 17 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2.5x | Pins 5 & 18 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | Pins 6 & 19 closed |
|-----------+-------------+------------+---------------------|
| 180MHz | 60MHz | 3x | Pins 7 & 20 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | Pins 8 & 21 closed |
|-----------+-------------+------------+---------------------|
| 225MHz | 75MHz | 3.5x | Pins 9 & 22 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 66MHz | 4x | Pins 10 & 23 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 66MHz | 4.5x | Pins 11 & 24 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP5 |
|-----------+-------------+------------+---------------------|
| 90MHz | 60MHz | 1.5x | Pins 1 & 14 closed |
|-----------+-------------+------------+---------------------|
| 100MHz | 66MHz | 1.5x | Pins 2 & 15 closed |
|-----------+-------------+------------+---------------------|
| 120MHz | 60MHz | 2x | Pins 3 & 16 closed |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 4 & 17 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2.5x | Pins 5 & 18 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | Pins 6 & 19 closed |
|-----------+-------------+------------+---------------------|
| 180MHz | 60MHz | 3x | Pins 7 & 20 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | Pins 8 & 21 closed |
|-----------+-------------+------------+---------------------|
| 225MHz | 75MHz | 3.5x | Pins 9 & 22 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 66MHz | 4x | Pins 10 & 23 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 66MHz | 4.5x | Pins 11 & 24 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP6 |
|----------------------------+-------------------------------|
| 2.8v | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 2.9v | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 3.2v | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| 3.5v | Pins 7 & 8 closed |
+------------------------------------------------------------+