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# EFA CORPORATION
P5VPX97-AT
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 686MX/AM K5/AM
K6/Pentium/Pentium MMX
Processor Speed 75/90/100/120/133/150/166/200/233MHz
Chip Set VIA
Video Chip Set None
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 230mm x 220mm
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), USB connector, ATX power connector
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+----------------+-------------|
| ATX power | ATX | Soft off power | J15 |
| connector | | supply | |
|------------------+----------+----------------+-------------|
| PS/2 mouse | J5 | CPU fan power | J16 |
| interface | | | |
|------------------+----------+----------------+-------------|
| Serial port 2 | J6 | Power LED & | J17/pins |
| | | keylock | 1/3/5/7/9 |
|------------------+----------+----------------+-------------|
| Serial port 1 | J7 | Speaker | J17/pins |
| | | | 2/4/6/8 |
|------------------+----------+----------------+-------------|
| Parallel port | J8 | Turbo LED | J17/pins 11 |
| | | | & 12 |
|------------------+----------+----------------+-------------|
| Floppy drive | J9 | Green PC | J17/pins 13 |
| interface | | connector | & 14 |
|------------------+----------+----------------+-------------|
| IDE interface 2 | J10 | IDE interface | J17/pins 15 |
| | | LED | & 16 |
|------------------+----------+----------------+-------------|
| IDE interface 1 | J11 | Reset switch | J17/pins 17 |
| | | | & 18 |
|------------------+----------+----------------+-------------|
| USB connector | J13 | 32-bit PCI | PC1 – PC4 |
| | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP12 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP12 | 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 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M 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) 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP1 |JP2 |JP3 | JP8 |JP9 |JP10|
| speed | speed | | | | | | | |
|-------+--------+----------+-----+----+----+------+----+----|
|133MHz | 55MHz | 2x |2 & 3|2 & |1 & |Closed|Open|Open|
| | | | | 3 | 2 | | | |
|-------+--------+----------+-----+----+----+------+----+----|
|150MHz | 60MHz | 2x |1 & 2|2 & |2 & |Closed|Open|Open|
| | | | | 3 | 3 | | | |
|-------+--------+----------+-----+----+----+------+----+----|
|166MHz | 66MHz | 2x |2 & 3|1 & |2 & |Closed|Open|Open|
| | | | | 2 | 3 | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier| JP1 |JP2 |JP3 | JP8 |JP9 |JP10|
| speed | speed | | | | | | | |
|-------+--------+----------+-----+----+----+------+----+----|
|166MHz | 66MHz | 2x |2 & 3|1 & |2 & |Closed|Open|Open|
| | | | | 2 | 3 | | | |
|-------+--------+----------+-----+----+----+------+----+----|
|200MHz | 75MHz | 2x |1 & 2|2 & |1 & |Closed|Open|Open|
| | | | | 3 | 2 | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP1 |JP2 |JP3 | JP8 | JP9 |JP10|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+----+------+------+----|
|166MHz | 60MHz | 2.5x |1 & |2 & |2 & |Closed|Closed|Open|
| | | | 2 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|166MHz | 66MHz | 2x |2 & |1 & |2 & |Closed| Open |Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|200MHz | 66MHz | 2.5x |2 & |1 & |2 & |Closed|Closed|Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|200MHz | 75MHz | 2x |1 & |2 & |1 & |Closed| Open |Open|
| | | | 2 | 3 | 2 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|233MHz | 75MHz | 2.5x |1 & |2 & |1 & |Closed|Closed|Open|
| | | | 2 | 3 | 2 | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AK K5) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP1 |JP2 |JP3 | JP8 | JP9 |JP10|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+----+------+------+----|
| 90MHz | 60MHz | 1.5x |1 & |2 & |2 & | Open | Open |Open|
| | | | 2 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|100MHz | 66MHz | 1.5x |2 & |1 & |2 & | Open | Open |Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|120MHz | 60MHz | 1.5x |1 & |2 & |2 & | Open | Open |Open|
| | | | 2 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|133MHz | 66MHz | 1.5x |2 & |1 & |2 & | Open | Open |Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|150MHz | 60MHz | 2.5x |1 & |2 & |2 & |Closed|Closed|Open|
| | | | 2 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|166MHz | 66MHz | 2.5x |2 & |1 & |2 & |Closed|Closed|Open|
| | | | 3 | 2 | 3 | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP1 |JP2 |JP3 | JP8 | JP9 |JP10|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+----+------+------+----|
|166MHz | 66MHz | 2.5x |2 & |1 & |2 & |Closed|Closed|Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|200MHz | 66MHz | 3x |2 & |1 & |2 & | Open |Closed|Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|233MHz | 66MHz | 3.5x |2 & |1 & |2 & | Open | Open |Open|
| | | | 3 | 2 | 3 | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP1 |JP2 |JP3 | JP8 | JP9 |JP10|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+----+------+------+----|
| 75MHz | 50MHz | 1.5x |2 & |2 & |2 & | Open | Open |Open|
| | | | 3 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
| 90MHz | 60MHz | 1.5x |1 & |2 & |2 & | Open | Open |Open|
| | | | 2 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|100MHz | 66MHz | 1.5x |2 & |1 & |2 & | Open | Open |Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|120MHz | 60MHz | 2x |1 & |2 & |2 & |Closed| Open |Open|
| | | | 2 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|133MHz | 66MHz | 2x |2 & |1 & |2 & |Closed| Open |Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|150MHz | 60MHz | 2.5x |1 & |2 & |2 & |Closed|Closed|Open|
| | | | 2 | 3 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|166MHz | 66MHz | 2.5x |2 & |1 & |2 & |Closed|Closed|Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|200MHz | 66MHz | 3x |2 & |1 & |2 & | Open |Closed|Open|
| | | | 3 | 2 | 3 | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock |Multiplier|JP1 |JP2 |JP3 | JP8 | JP9 |JP10|
| speed | speed | | | | | | | |
|-------+-------+----------+----+----+----+------+------+----|
|166MHz | 66MHz | 2.5x |2 & |1 & |2 & |Closed|Closed|Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|200MHz | 66MHz | 3x |2 & |1 & |2 & | Open |Closed|Open|
| | | | 3 | 2 | 3 | | | |
|-------+-------+----------+----+----+----+------+------+----|
|233MHz | 66MHz | 3.5x |2 & |1 & |2 & | Open | Open |Open|
| | | | 3 | 2 | 3 | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP4 |
|----------------------------+-------------------------------|
| Cyrix | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| AMD | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Intel | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP5 | JP6 | JP7A | JP7B | JP7C | JP7D |JP7E |
|---------+------+-----+-------+-------+-------+-------+-----|
| 2.2v | * | * | Open |Closed | Open | Open |Open |
|---------+------+-----+-------+-------+-------+-------+-----|
| 2.5v | * | * |Closed | Open |Closed | Open |Open |
|---------+------+-----+-------+-------+-------+-------+-----|
| 2.8v |2 & 3 |2 & 3| Open | Open | Open |Closed |Open |
|---------+------+-----+-------+-------+-------+-------+-----|
| 2.9v |2 & 3 |2 & 3|Closed | Open | Open |Closed |Open |
|---------+------+-----+-------+-------+-------+-------+-----|
| 3.2v |2 & 3 |2 & 3| Open | Open |Closed |Closed |Open |
|---------+------+-----+-------+-------+-------+-------+-----|
| 3.3v |1 & 2 |1 & 2|Closed | Open |Closed |Closed |Open |
|---------+------+-----+-------+-------+-------+-------+-----|
| 3.5v |1 & 2 |1 & 2|Closed |Closed |Closed |Closed |Open |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. * = |
|Reserved for future CPUs. |
+------------------------------------------------------------+