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# EPOX COMPUTER CO., LTD.
EP-58VP3A
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 320MB (EDO & SDRAM supported)
Onboard
Memory
Maximum None
Video
Memory
Cache 512KB
BIOS Award
Dimensions 230mm x 220mm
I/O 32-bit PCI slots (3), floppy drive interface, green
Options PC connector, IDE interfaces (2), parallel port, PS/2
mouse interface, serial ports (2), IR connector, USB
connector, AGP slot
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | Reset switch | J2A |
|-------------------+----------+------------------+----------|
| USB connector | CN1 | Speaker | J2B |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Power LED & | J2C |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | IR connector | J3A |
| interface | | | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | IDE interface | J3B |
| | | LED | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Turbo LED | J3C |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | Green PC | J3D |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN7 | CPU fan power | J4 |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J1 | 32-bit PCI slots | PC1 – |
| interface | | | PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 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 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 512KB | (1) 64K x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86L) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |75MHz| 2.5x | On | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |75MHz| 3x | Off | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (IBM 6X86MX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |75MHz| 2.5x | On | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |75MHz| 3x | Off | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|188MHz |75MHz| 2.5x | On | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |66MHz| 4x | On | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|300MHz |66MHz| 4.5x | On | On | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|333MHz |66MHz| 5x | Off | On | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|188MHz |75MHz| 2.5x | On | On | Off | Off | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP2 |
|----------------------------+-------------------------------|
| 2.1v | Pins 1 & 6 closed |
|----------------------------+-------------------------------|
| 2.2v | Pins 2 & 7 closed |
|----------------------------+-------------------------------|
| 2.8v | Pins 3 & 8 closed |
|----------------------------+-------------------------------|
| 2.9v | Pins 4 & 9 closed |
|----------------------------+-------------------------------|
| 3.2v | Pins 5 & 10 closed |
+------------------------------------------------------------+