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# EPOX COMPUTER CO., LTD.
P55-VP3
Device Mainboard
Type
Processor CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM K5/
AM K6/Pentium/Pentium MMX
Processor 90/100/120/133/150/166/188/200/225/233/266/300/333MHz
Speed
Chip Set VIA
Video Chip None
Set
Maximum 384MB (EDO & SDRAM supported)
Onboard
Memory
Maximum None
Video
Memory
Cache 512KB
BIOS Award
Dimensions 305mm x 244mm
I/O 32-bit PCI slots (4), floppy drive interface, IDE
Options interfaces (2), parallel port, PS/2 mouse port,
serial ports (2), IR connector, USB connectors (2),
ATX power connector, AGP slot
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | CPU fan power | J2 |
|-------------------+----------+------------------+----------|
| ATX power | ATX | IR connector | J4 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | Power LED & | J7A |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Speaker | J7B |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN3 | Reset switch | J7C |
|-------------------+----------+------------------+----------|
| USB connector 1 | CN4 | Green PC LED | J7D |
|-------------------+----------+------------------+----------|
| USB connector 2 | CN5 | Turbo LED | J7E |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN6 | IDE interface | J7F |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN7 | Soft off power | J7G |
| interface | | supply | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN8 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN9 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Keyboard power on disabled | J1 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Keyboard power on enabled | J1 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J6 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 3 |
|----------------------------+-------------------------------|
| 8MB | (2) 1M x 36 |
|----------------------------+-------------------------------|
| 16MB | (2) 2M x 36 |
|----------------------------+-------------------------------|
| 32MB | (2) 4M x 36 |
|----------------------------+-------------------------------|
| 64MB | (2) 8M x 36 |
|----------------------------+-------------------------------|
| 128MB | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 88MB | (1) 8M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 112MB | (1) 8M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 8M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 152MB | (1) 16M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 160MB | (1) 8M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 176MB | (1) 16M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 200MB | (1) 16M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 208MB | (1) 16M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 224MB | (1) 16M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (1) 64K x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|------------+--------------+------------+-------------------|
| 150MHz | 60MHz | 2.5x | Pins 3 & 4 closed |
|------------+--------------+------------+-------------------|
| 166MHz | 66MHz | 2.5x | Pins 5 & 6 closed |
|------------+--------------+------------+-------------------|
| 200MHz | 75MHz | 3x | Pins 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86L) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|------------+--------------+------------+-------------------|
| 150MHz | 60MHz | 2.5x | Pins 3 & 4 closed |
|------------+--------------+------------+-------------------|
| 166MHz | 66MHz | 2.5x | Pins 5 & 6 closed |
|------------+--------------+------------+-------------------|
| 200MHz | 75MHz | 3x | Pins 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2x | Pins 5 & 6 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 60MHz | 2.5x | Pins 9 & 10 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 75MHz | 2x | Pins 7 & 8 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 2.5x | Pins 11 & 12 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 75MHz | 2.5x | Pins 13 & 14 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 66MHz | 3x | Pins 15 & 16 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 75MHz | 3x | Pins 17 & 18 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 66MHz | 3.5x | Pins 19 & 20 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86MX) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2x | Pins 5 & 6 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 60MHz | 2.5x | Pins 9 & 10 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 75MHz | 2x | Pins 7 & 8 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 2.5x | Pins 11 & 12 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 75MHz | 2.5x | Pins 13 & 14 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 66MHz | 3x | Pins 15 & 16 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 75MHz | 3x | Pins 17 & 18 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 66MHz | 3.5x | Pins 19 & 20 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|-----------+-------------+------------+---------------------|
| 90MHz | 60MHz | 1.5x | Pins 27 & 28 closed |
|-----------+-------------+------------+---------------------|
| 100MHz | 66MHz | 1.5x | Pins 1 & 2 closed |
|-----------+-------------+------------+---------------------|
| 120MHz | 60MHz | 2x | Pins 3 & 4 closed |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 5 & 6 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2.5x | Pins 9 & 10 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | Pins 11 & 12 closed |
|-----------+-------------+------------+---------------------|
| 188MHz | 75MHz | 2.5x | Pins 13 & 14 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | Pins 15 & 16 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | Pins 11 & 12 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | Pins 15 & 16 closed |
|-----------+-------------+------------+---------------------|
| 225MHz | 75MHz | 3x | Pins 17 & 18 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 66MHz | 3.5x | Pins 19 & 20 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 66MHz | 4x | Pins 21 & 22 closed |
|-----------+-------------+------------+---------------------|
| 300MHz | 66MHz | 4.5x | Pins 23 & 24 closed |
|-----------+-------------+------------+---------------------|
| 333MHz | 66MHz | 5x | Pins 25 & 26 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|-----------+-------------+------------+---------------------|
| 90MHz | 60MHz | 1.5x | Pins 27 & 28 closed |
|-----------+-------------+------------+---------------------|
| 100MHz | 66MHz | 1.5x | Pins 1 & 2 closed |
|-----------+-------------+------------+---------------------|
| 120MHz | 60MHz | 2x | Pins 3 & 4 closed |
|-----------+-------------+------------+---------------------|
| 133MHz | 66MHz | 2x | Pins 5 & 6 closed |
|-----------+-------------+------------+---------------------|
| 150MHz | 60MHz | 2.5x | Pins 9 & 10 closed |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | Pins 11 & 12 closed |
|-----------+-------------+------------+---------------------|
| 188MHz | 75MHz | 2.5x | Pins 13 & 14 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | Pins 15 & 16 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU speed | Clock speed | Multiplier | JP3 |
|-----------+-------------+------------+---------------------|
| 166MHz | 66MHz | 2.5x | Pins 11 & 12 closed |
|-----------+-------------+------------+---------------------|
| 200MHz | 66MHz | 3x | Pins 15 & 16 closed |
|-----------+-------------+------------+---------------------|
| 225MHz | 75MHz | 3x | Pins 17 & 18 closed |
|-----------+-------------+------------+---------------------|
| 233MHz | 66MHz | 3.5x | Pins 19 & 20 closed |
|-----------+-------------+------------+---------------------|
| 266MHz | 66MHz | 4x | Pins 21 & 22 closed |
|-----------+-------------+------------+---------------------|
| 300MHz | 66MHz | 4.5x | Pins 23 & 24 closed |
|-----------+-------------+------------+---------------------|
| 333MHz | 66MHz | 5x | Pins 25 & 26 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP2 |
|----------------------------+-------------------------------|
| | 2.1v | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | 2.2v | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| » | 2.8v | Pins 5 & 6 closed |
|---+------------------------+-------------------------------|
| | 2.9v | Pins 7 & 8 closed |
|---+------------------------+-------------------------------|
| | 3.2v | Pins 9 & 10 closed |
+------------------------------------------------------------+