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 Memory None
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

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  Floppy drive            CN1         Green PC connector   CN10 pins 10 &
  interface                                                      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 LED    CN10 pins 20 &
                                                                 21

  IDE interface 2         CN5         Remote control       CN10 pins 23 &
                                      power switch               24

  IDE interface 1         CN6         Reset switch         CN10 pins 27 &
                                                                 28

  USB connector           CN7         Chassis fan power         FAN

  USB connector           CN8         IR connector               IR

  PS/2 mouse              CN9         Remote control            RPW
  interface                           power connector

  Power LED &         CN10 pins 1 -   32-bit PCI slots       PC1 - PC4
  keylock                  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 & 3    2 & 3    1 & 2     1 & 2

   90MHz     60MHz         1.5x       2 & 3    1 & 2    1 & 2     1 & 2

  100MHz     66MHz         1.5x       1 & 2    2 & 3    1 & 2     1 & 2

  120MHz     60MHz          2x        2 & 3    1 & 2    2 & 3     1 & 2

  133MHz     66MHz          2x        1 & 2    2 & 3    2 & 3     1 & 2

  150MHz     60MHz         2.5x       2 & 3    1 & 2    2 & 3     2 & 3

  166MHz     66MHz         2.5x       1 & 2    2 & 3    2 & 3     2 & 3

  200MHz     66MHz          3x        1 & 2    2 & 3    1 & 2     2 & 3

                           CPU VOLTAGE SELECTION

         Voltage                    VR1                     VR2

   3.384v (P54C STD/VR)      Pins 1 & 2 closed        Pins 3 & 4, 5 & 6
                                                           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 closed     Pins 2 & 3 closed

           Intel 28F010          Pins 1 & 2 closed     Pins 2 & 3 closed

         Intel 28F001BX-T        Pins 1 & 2 closed     Pins 1 & 2 closed