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# EVEREX SYSTEMS, INC.
STEP PREMIER
Processor Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard 512MB (BEDO/EDO supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS AMI
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 connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+-----------+------------------+------------|
| Floppy drive | CN1 | Green PC | CN10 pins |
| interface | | connector | 10 & 11 |
|----------------+-----------+------------------+------------|
| Parallel port | CN2 | Green PC LED | CN10 pins |
| | | | 13 & 14 |
|----------------+-----------+------------------+------------|
| Serial port 2 | CN3 | Speaker | CN10 pins |
| | | | 15 - 18 |
|----------------+-----------+------------------+------------|
| Serial port 1 | CN4 | IDE interface | CN10 pins |
| | | LED | 20 & 21 |
|----------------+-----------+------------------+------------|
| IDE interface | CN5 | Remote control | CN10 pins |
| 2 | | power switch | 23 & 24 |
|----------------+-----------+------------------+------------|
| IDE interface | CN6 | Reset switch | CN10 pins |
| 1 | | | 27 & 28 |
|----------------+-----------+------------------+------------|
| USB connector | CN7 | Chassis fan | FAN |
| | | power | |
|----------------+-----------+------------------+------------|
| USB connector | CN8 | IR connector | IR |
|----------------+-----------+------------------+------------|
| PS/2 mouse | CN9 | Remote control | RPW |
| interface | | power connector | |
|----------------+-----------+------------------+------------|
| Power LED & | CN10 pins | 32-bit PCI slots | PC1 - PC4 |
| keylock | 1 - 5 | | |
|----------------+-----------+------------------+------------|
| Turbo LED | CN10 pins | | |
| | 7 & 8 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+----------+-------------|
| » | Password normal operation | CPS | Open |
|---+-------------------------------+----------+-------------|
| | Password clear | CPS | 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 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 36 | (2) 256K 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 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 |
|------------------------------------------------------------|
| Note: Board accepts BEDO/EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 512KB | (2) 32K x 32 | (2) 32K x 32 | Unidentified |
|------------------------------------------------------------|
| Note: The size of the TAG chips are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | CLK1 | CLK2 | FREQ1 | FREQ2 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+-------+-------|
| 75MHz | 50MHz | 1.5x | 2 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 3 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 90MHz | 60MHz | 1.5x | 2 & | 1 & | 1 & 2 | 1 & 2 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 100MHz | 66MHz | 1.5x | 1 & | 2 & | 1 & 2 | 1 & 2 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 120MHz | 60MHz | 2x | 2 & | 1 & | 2 & 3 | 1 & 2 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 133MHz | 66MHz | 2x | 1 & | 2 & | 2 & 3 | 1 & 2 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 150MHz | 60MHz | 2.5x | 2 & | 1 & | 2 & 3 | 2 & 3 |
| | | | 3 | 2 | | |
|--------+--------+------------+------+------+-------+-------|
| 166MHz | 66MHz | 2.5x | 1 & | 2 & | 2 & 3 | 2 & 3 |
| | | | 2 | 3 | | |
|--------+--------+------------+------+------+-------+-------|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 1 & 2 | 2 & 3 |
| | | | 2 | 3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | VR1 | VR2 |
|-------------------+-------------------+--------------------|
| 3.384v (P54C | Pins 1 & 2 closed | Pins 3 & 4, 5 & 6 |
| STD/VR) | | closed |
|-------------------+-------------------+--------------------|
| 3.49v (P54C VRE) | Pins 3 & 4 closed | Pins 3 & 4, 5 & 6 |
| | | closed |
|-------------------+-------------------+--------------------|
| 2.5v/3.3v (P55C) | Pins 5 & 6 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH BIOS SELECTION |
|------------------------------------------------------------|
| Type | EP1 | EP2 |
|----------------------+------------------+------------------|
| » | SST 29EE010 | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed |
|---+------------------+------------------+------------------|
| | Intel 28F010 | Pins 1 & 2 | Pins 2 & 3 |
| | | closed | closed |
|---+------------------+------------------+------------------|
| | Intel 28F001BX-T | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
+------------------------------------------------------------+