
SUPER MICRO

P6SNA

Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Intel
Video Chip Set           None
Maximum Onboard Memory   512MB (EDO supported)
Maximum Video Memory     None
Cache                    256/512KB (located on Pentium Pro CPU)
BIOS                     AMI
Dimensions               305mm x 249mm
I/O Options              32-bit PCI slots (4), floppy drive interface,
                         green PC connector, IDE interfaces (2), parallel
                         port, PS/2 mouse port, serial ports (2), IR
                         connector, USB connectors (2), ATX power
                         connector, power on connector
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  ATX power connector         ATX      Green PC connector         JP39

  IDE interface 1             J11      Buzzer                     JP89

  IDE interface 2             J12      Chassis fan power          JP91

  Speaker                     J22      Chassis fan power          JP92

  IDE interface LED           J23      Chassis fan power          JP93

  PS/2 mouse port             J83      IR connector               JP96

  Floppy drive interface      J85      External battery           JP881

  Parallel port              J817      Power on connector         JP882

  Serial port 1              J818      32-bit PCI slots          PC1- PC4

  Serial port 2              J824      USB connector 1            USB1

  Power LED & keylock        JP20      USB connector 2            USB2

  Reset switch               JP21

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J86        Pins 1 & 2 closed
      alter

     Factory configured - do not           J88        Pins 1 & 2 closed
      alter

     Factory configured - do not          J827             Closed
      alter

     Factory configured - do not          J828             Closed
      alter

     Factory configured - do not          J829             Closed
      alter

     Factory configured - do not          JP13        Pins 2 & 3 closed
      alter

     Factory configured - do not          JP15        Pins 2 & 3 closed
      alter

     Factory configured - do not          JP22              Open
      alter

     Factory configured - do not          JP23              Open
      alter

     Factory configured - do not          JP26              Open
      alter

     Factory configured - do not          JP27             Closed
      alter

     Factory configured - do not          JP38              Open
      alter

     Factory configured - do not          JP88              Open
      alter

      ISA CLK = PCI CLK/4                  JP42             Closed

      ISA CLK = PCI CLK/3                  JP42              Open

     Factory configured - do not          JP90          Unidentified
      alter

     Factory configured - do not          JP94          Unidentified
      alter

     Factory configured - do not          JP97          Unidentified
      alter

     CMOS memory normal operation         JP880       Pins 1 & 2 closed

      CMOS memory clear                    JP880       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

                        DRAM CONFIGURATION (CONT)

          Size                    Bank 0                   Bank 1

          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) 2M x 36              (2) 4M 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) 2M x 36              (2) 8M x 36

          96MB                 (2) 8M x 36              (2) 4M x 36

          128MB                (2) 16M x 36                 None

          128MB                (2) 8M x 36              (2) 8M x 36

          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) 32M x 36                 None

          256MB                (2) 16M x 36             (2) 16M x 36

          264MB                (2) 32M x 36             (2) 1M x 36

          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. Banks
  are interchangeable.

                      CACHE CONFIGURATION

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

                         CPU SPEED SELECTION

  Speed      JP29     JP30      JP31      JP32      JP36      JP37

  150MHz     Open    Closed    Closed    Closed    Closed     Open

  166MHz     Open    Closed    Closed    Closed     Open     Closed

  180MHz    Closed    Open     Closed    Closed    Closed     Open

  200MHz    Closed    Open     Closed    Closed     Open     Closed

                         THERMAL CONTROL SELECTION

         Turn on                Shut down                  JP95

              55                    37               Pins 1 & 2 closed

              64                    50               Pins 2 & 3 closed

             72                    43                     Open

  Note: Temperature is in Celsius.

