EPOX COMPUTER CO., LTD.
P55-VPX
Device Type |
Mainboard |
Processor |
CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM K5/ AM K6/Pentium/Pentium MMX |
Processor Speed |
100/120/133/150/166/188/200/225/233/266/300/333MHz |
Chip Set |
VIA |
Video Chip Set |
None |
Maximum Onboard Memory |
256MB (EDO & SDRAM supported) |
Maximum Video Memory |
None |
Cache |
256/512KB |
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, USB connector, ATX power connector |
NPU Options |
None |
![](35223-1.png)
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
ATX power connector |
ATX |
IR connector |
JP10 |
Serial port 1 |
CN2 |
Power LED & keylock |
JP11A |
Serial port 2 |
CN3 |
Speaker |
JP11B |
USB connector |
CN4 |
Reset switch |
JP11C |
Parallel port |
CN5 |
Green PC LED |
JP11D |
Floppy drive interface |
CN6 |
Turbo LED |
JP11E |
IDE interface 2 |
CN7 |
IDE interface LED |
JP11F |
IDE interface 1 |
CN8 |
Soft off power supply |
JP11G |
PS/2 mouse interface |
JP1 |
32-bit PCI slots |
PC1 PC4 |
CPU fan power |
JP7 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
Keyboard power on disabled |
JP2 |
Pins 1 & 2 closed | |
Keyboard power on enabled |
JP2 |
Pins 2 & 3 closed |
SIMM CONFIGURATION | |
Size |
Bank 2 |
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 |
256MB |
(2) 32M x 36 |
Note: Board accepts EDO memory. |
DIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
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 |
DIMM CONFIGURATION (CONT) | ||
Size |
Bank 0 |
Bank 1 |
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) 16M x 64 |
None |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
136MB |
(1) 16M x 64 |
(1) 1M x 64 |
144MB |
(1) 16M x 64 |
(1) 2M x 64 |
160MB |
(1) 16M x 64 |
(1) 4M x 64 |
192MB |
(1) 16M x 64 |
(1) 8M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
Note: Board accepts SDRAM memory. |
DIMM VOLTAGE CONFIGURATION | ||
Voltage |
JP5 | |
3.3v |
Pins 5 & 6, 7 & 8 closed | |
5v |
Pins 1 & 2, 3 & 4 closed |
CACHE CONFIGURATION |
Note: The location of the 256KB/512KB cache is unidentified. |
CPU SPEED SELECTION (CX 6X86L) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
150MHz |
60MHz |
2x |
Pins 2 & 15 closed |
166MHz |
66MHz |
2x |
Pins 3 & 16 closed |
200MHz |
75MHz |
2x |
Pins 4 & 17 closed |
CPU SPEED SELECTION (IBM 6X86L) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
150MHz |
60MHz |
2x |
Pins 2 & 15 closed |
166MHz |
66MHz |
2x |
Pins 3 & 16 closed |
200MHz |
75MHz |
2x |
Pins 4 & 17 closed |
CPU SPEED SELECTION (CX 6X86MX) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
166MHz |
66MHz |
2x |
Pins 3 & 16 closed |
166MHz |
60MHz |
2.5x |
Pins 5 & 18 closed |
200MHz |
75MHz |
2x |
Pins 4 & 17 closed |
200MHz |
66MHz |
2.5x |
Pins 6 & 19 closed |
233MHz |
75MHz |
2.5x |
Pins 7 & 20 closed |
233MHz |
66MHz |
3x |
Pins 8 & 21 closed |
266MHz |
75MHz |
3x |
Pins 9 & 22 closed |
266MHz |
66MHz |
3.5x |
Pins 10 & 23 closed |
CPU SPEED SELECTION (IBM 6X86MX) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
166MHz |
66MHz |
2x |
Pins 3 & 16 closed |
166MHz |
60MHz |
2.5x |
Pins 5 & 18 closed |
200MHz |
75MHz |
2x |
Pins 4 & 17 closed |
200MHz |
66MHz |
2.5x |
Pins 6 & 19 closed |
233MHz |
75MHz |
2.5x |
Pins 7 & 20 closed |
233MHz |
66MHz |
3x |
Pins 8 & 21 closed |
266MHz |
75MHz |
3x |
Pins 9 & 22 closed |
266MHz |
66MHz |
3.5x |
Pins 10 & 23 closed |
CPU SPEED SELECTION (AM K5) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
100MHz |
66MHz |
1.5x |
Pins 1 & 14 closed |
120MHz |
60MHz |
2x |
Pins 2 & 15 closed |
133MHz |
66MHz |
2x |
Pins 3 & 16 closed |
150MHz |
60MHz |
2.5x |
Pins 5 & 18 closed |
166MHz |
66MHz |
2.5x |
Pins 6 & 19 closed |
188MHz |
75MHz |
2.5x |
Pins 7 & 20 closed |
200MHz |
66MHz |
3x |
Pins 8 & 21 closed |
CPU SPEED SELECTION (AM K6) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
166MHz |
66MHz |
2.5x |
Pins 6 & 19 closed |
200MHz |
66MHz |
3x |
Pins 8 & 21 closed |
225MHz |
75MHz |
3x |
Pins 9 & 22 closed |
233MHz |
66MHz |
3.5x |
Pins 10 & 23 closed |
266MHz |
66MHz |
4x |
Pins 11 & 24 closed |
300MHz |
66MHz |
4.5x |
Pins 12 & 25 closed |
333MHz |
66MHz |
5x |
Pins 13 & 26 closed |
CPU SPEED SELECTION (INTEL) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
100MHz |
66MHz |
1.5x |
Pins 1 & 14 closed |
120MHz |
60MHz |
2x |
Pins 2 & 15 closed |
133MHz |
66MHz |
2x |
Pins 3 & 16 closed |
150MHz |
60MHz |
2.5x |
Pins 5 & 18 closed |
166MHz |
66MHz |
2.5x |
Pins 6 & 19 closed |
188MHz |
75MHz |
2.5x |
Pins 7 & 20 closed |
200MHz |
66MHz |
3x |
Pins 8 & 21 closed |
CPU SPEED SELECTION (INTEL MMX) | |||
CPU speed |
Clock speed |
Multiplier |
JP6 |
166MHz |
66MHz |
2.5x |
Pins 6 & 19 closed |
200MHz |
66MHz |
3x |
Pins 8 & 21 closed |
225MHz |
75MHz |
3x |
Pins 9 & 22 closed |
233MHz |
66MHz |
3.5x |
Pins 10 & 23 closed |
266MHz |
66MHz |
4x |
Pins 11 & 24 closed |
300MHz |
66MHz |
4.5x |
Pins 12 & 25 closed |
333MHz |
66MHz |
5x |
Pins 13 & 26 closed |
CPU VOLTAGE SELECTION | |
Voltage |
JP8 |
2.0v |
Pins 1 & 6 closed |
2.2v |
Pins 5 & 10 closed |
2.8v |
Pins 2 & 7 closed |
2.9v |
Pins 3 & 8 closed |
3.2v |
Pins 4 & 9 closed |