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# EFA CORPORATION
P5V580-AT
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set VIA
Video Chip Set None
Maximum Onboard 512MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 230mm x 220mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+------------+---------------+--------------|
| Floppy drive | CN1 | Power LED & | J7/pins 2, |
| interface | | keylock | 4, 6, 8, 10 |
|----------------+------------+---------------+--------------|
| Serial port 1 | CN2 | Turbo LED | J7/pins 11 & |
| | | | 12 |
|----------------+------------+---------------+--------------|
| Serial port 2 | CN3 | Green PC | J7/pins 13 & |
| | | connector | 14 |
|----------------+------------+---------------+--------------|
| Parallel port | CN4 | IDE interface | J7/pins 15 & |
| | | LED | 16 |
|----------------+------------+---------------+--------------|
| IDE interface | CN5 | Reset switch | J7/pins 17 & |
| 2 | | | 18 |
|----------------+------------+---------------+--------------|
| IDE interface | CN6 | Green PC LED | J7/pins 19 & |
| 1 | | | 20 |
|----------------+------------+---------------+--------------|
| Speaker | J7/pins 1, | 32-bit PCI | PC1 – PC3 |
| | 3, 5, 7 | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP4 | Unidentified |
| | alter (CMOS memory) | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP9 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP10 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM 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 |
|------------------+--------------------+--------------------|
| 256MB | (2) 32M x 36 | None |
|------------------+--------------------+--------------------|
| 264MB | (2) 32M x 36 | (2) 1M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+----------------------+---------------------|
| 272MB | (2) 32M x 36 | (2) 2M x 36 |
|---------------+----------------------+---------------------|
| 288MB | (2) 32M x 36 | (2) 4M x 36 |
|---------------+----------------------+---------------------|
| 320MB | (2) 32M x 36 | (2) 8M x 36 |
|---------------+----------------------+---------------------|
| 384MB | (2) 32M x 36 | (2) 16M x 36 |
|---------------+----------------------+---------------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x |
| 32 SIMMs. Memory installed in Banks 1 & 2 is |
| interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 |
|----------------------------+-------------------------------|
| 8MB | (1) 1M x 64 |
|----------------------------+-------------------------------|
| 16MB | (1) 2M x 64 |
|----------------------------+-------------------------------|
| 32MB | (1) 4M x 64 |
|----------------------------+-------------------------------|
| 64MB | (1) 8M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP2 | JP3 | JP6 | JP7 | JP8 |
| | speed | | | | | | |
|---------+---------+----------+----+------+-----+-----+-----|
| 120MHz | 50MHz | 2x |Open|Closed|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+----+------+-----+-----+-----|
| 133MHz | 55MHz | 2x |Open|Closed|1 & 2|2 & 3|2 & 3|
|---------+---------+----------+----+------+-----+-----+-----|
| 150MHz | 60MHz | 2x |Open|Closed|2 & 3|2 & 3|1 & 2|
|---------+---------+----------+----+------+-----+-----+-----|
| 166MHz | 66MHz | 2x |Open|Closed|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+----+------+-----+-----+-----|
| 200MHz | 75MHz | 2x |Open|Closed|1 & 2|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|JP2 |JP3 | JP6 | JP7 | JP8 |
|---------+-----------+----------+----+----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x |Open|Open|2 & 3|2 & 3|2 & 3|
|---------+-----------+----------+----+----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |Open|Open|2 & 3|2 & 3|1 & 2|
|---------+-----------+----------+----+----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x |Open|Open|2 & 3|1 & 2|2 & 3|
|---------+-----------+----------+----+----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x |Open|Open|2 & 3|2 & 3|1 & 2|
|---------+-----------+----------+----+----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x |Open|Open|2 & 3|1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier| JP2 | JP3 | JP6 | JP7 | JP8 |
| | speed | | | | | | |
|---------+-------+----------+------+------+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Open | Open |2 & 3|2 & 3|2 & 3|
|---------+-------+----------+------+------+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Open | Open |2 & 3|2 & 3|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Open | Open |2 & 3|1 & 2|2 & 3|
|---------+-------+----------+------+------+-----+-----+-----|
| 120MHz | 60MHz | 2x | Open |Closed|2 & 3|2 & 3|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 133MHz | 66MHz | 2x | Open |Closed|2 & 3|1 & 2|2 & 3|
|---------+-------+----------+------+------+-----+-----+-----|
| 150MHz | 60MHz | 2.5x |Closed|Closed|2 & 3|2 & 3|1 & 2|
|---------+-------+----------+------+------+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |Closed|Closed|2 & 3|1 & 2|2 & 3|
|---------+-------+----------+------+------+-----+-----+-----|
| 200MHz | 66MHz | 3x |Closed| Open |2 & 3|1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+