EFA CORPORATION

P6NFX-AT

Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Intel
Video Chip Set           None
Maximum Onboard Memory   256MB (EDO supported)
Maximum Video Memory     None
Cache                    256/512KB (located on Pentium Pro CPU)
BIOS                     Award
Dimensions               280mm 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), IR
                         connector, USB connectors (2)
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  PS/2 mouse                J1         IDE interface LED         J10
  interface

  USB connector             J2         External battery          J11

  Serial port 2             J3         Turbo LED             J12 pins 2 &
                                                                  3

  IR connector              J4         Green PC connector    J12 pins 4 &
                                                                  5

  Serial port 1             J5         Reset switch          J12 pins 9 &
                                                                 10-

  Floppy drive              J6         Power LED &          J12 pins 11 -
  interface                            keylock                   15

  Parallel port             J7         Speaker              J12 pins 17 -
                                                                 20

  IDE interface 1           J8         Chassis fan power         JP1

  IDE interface 2           J9         32-bit PCI slots       PC1 – PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not           J13          Unidentified
      alter

      Flash BIOS voltage select 12v         JP2        Pins 2 & 3 closed

      Flash BIOS voltage select 5v          JP2        Pins 1 & 2 closed

  »   CMOS memory normal operation          JP8              Open

      CMOS memory clear                     JP8             Closed

  »   Factory configured - do not           JR1          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

  Note: Board accepts EDO memory.

                      CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium Pro CPU.

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier     JP3       JP4       JP5        JP6
  speed     speed

  150MHz    60MHz        2.5x       Closed     Open      Open     Closed

  166MHz    66MHz        2.5x        Open     Closed    Closed     Open

  180MHz    60MHz         3x        Closed     Open      Open     Closed

  200MHz    66MHz         3x         Open     Closed    Closed     Open

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (CON’T)

  CPU speed     Clock     Multiplier       JP9        JP10        JP11
               speed

   150MHz      60MHz         2.5x        Closed      Closed       Open

   166MHz      66MHz         2.5x        Closed      Closed       Open

   180MHz      60MHz          3x         Closed       Open       Closed

   200MHz      66MHz          3x         Closed       Open       Closed

  Note: Pins designated should be in the closed position.