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# AMPTRON INTERNATIONAL, INC.
PM-7400
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set OPTI
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 260mm x 220mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
EIDE interfaces (2), parallel port, serial
ports (2), cache slot, VRM connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Speaker | J5C |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Reset switch | J5D |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | IDE interface | J5E |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | Turbo switch | J5F |
| interface | | | |
|-------------------+----------+------------------+----------|
| EIDE interface 2 | CN5 | Turbo LED | J5G |
|-------------------+----------+------------------+----------|
| EIDE interface 1 | CN6 | 32-bit PCI slots | PC1 - |
| | | | PC3 |
|-------------------+----------+------------------+----------|
| External battery | J5A | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| Power LED & | J5B | VRM connector | VRM |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | J5A | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | J5A | Pins 3 & 4 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Battery type select external | J5A | Closed |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS voltage select EPROM | JP1 | Open |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | JP1 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 5v | JP1 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL1 |
|----------------------------+-------------------------------|
| 256KB | 256KB module installed |
|----------------------------+-------------------------------|
| 512KB | 512KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX, CYXXXX CLOCK) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP3A | JP3B |JP4A| JP4B |
|---------+-----------+----------+-------+-------+----+------|
| 100MHz | 66MHz | 2x |Closed |Closed |Open|Closed|
|---------+-----------+----------+-------+-------+----+------|
| 120MHz | 60MHz | 2x | Open |Closed |Open|Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD, CYXXXX CLOCK) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3A | JP3B | JP4A | JP4B |
| speed | speed | | | | | |
|--------+--------+------------+--------+------+------+------|
| 100MHz | 66MHz | 1.5x | Closed | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, CYXXXX CLOCK) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP3A | JP3B | JP4A | JP4B |
|---------+-----------+----------+------+------+------+------|
| 75MHz | 50MHz | 1.5x |Closed|Closed| Open | Open |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x | Open |Closed| Open | Open |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x |Closed| Open | Open | Open |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 2x | Open |Closed| Open |Closed|
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x |Closed| Open | Open |Closed|
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | Open |Closed|Closed|Closed|
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x |Closed| Open |Closed|Closed|
|---------+-----------+----------+------+------+------+------|
| 180MHz | 60MHz | 3x | Open |Closed|Closed| Open |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x |Closed| Open |Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX, WXXXX CLOCK) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP3A | JP3B |JP4A| JP4B |
|---------+-----------+----------+-------+-------+----+------|
| 100MHz | 66MHz | 2x |Closed |Closed |Open|Closed|
|---------+-----------+----------+-------+-------+----+------|
| 120MHz | 60MHz | 2x |Closed | Open |Open|Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD, WXXXX CLOCK) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3A | JP3B | JP4A | JP4B |
| speed | speed | | | | | |
|--------+--------+------------+------+--------+------+------|
| 100MHz | 66MHz | 1.5x | Open | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL, WXXXX CLOCK) |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP3A | JP3B | JP4A | JP4B |
|---------+-----------+----------+------+------+------+------|
| 75MHz | 50MHz | 1.5x |Closed|Closed| Open | Open |
|---------+-----------+----------+------+------+------+------|
| 90MHz | 60MHz | 1.5x |Closed| Open | Open | Open |
|---------+-----------+----------+------+------+------+------|
| 100MHz | 66MHz | 1.5x | Open |Closed| Open | Open |
|---------+-----------+----------+------+------+------+------|
| 120MHz | 60MHz | 2x |Closed| Open | Open |Closed|
|---------+-----------+----------+------+------+------+------|
| 133MHz | 66MHz | 2x | Open |Closed| Open |Closed|
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x |Closed| Open |Closed|Closed|
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x | Open |Closed|Closed|Closed|
|---------+-----------+----------+------+------+------+------|
| 180MHz | 60MHz | 3x |Closed| Open |Closed| Open |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x | Open |Closed|Closed| Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP2 |
|----------------------------+-------------------------------|
| | 3.3v | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| » | 3.5v | Pins 1 & 2 closed |
+------------------------------------------------------------+