
SUPER MICRO

P6SBA

Device Type            Mainboard
Processor              Pentium II
Processor Speed        233/266/300/333/350/400MHz
Chip Set               Intel 440BX
Maximum Onboard Memory 768MB (EDO & SDRAM supported)
Cache                  256/512KB (located on the Pentium II CPU)
BIOS                   AMI
Dimensions             305mm x 244mm
I/O Options            32-bit PCI slots (4), floppy drive interface, IDE
                       interfaces (2), parallel port, PS/2 mouse port,
                       serial ports (2), IR connector, USB connectors (2),
                       ATX power connector, AGP slot

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       Reset switch               JF2A

  ATX power connector        ATX       Power switch               JF2B

  IDE interface 1            J15       IR connector               JF2C

  IDE interface 2            J16       Speaker                    JF2D

  USB connector 1            J17       Power LED & keylock        JF2E

  USB connector 2            J18       IDE interface LED          JF2F

  Parallel port              J19       Intrusion connector        JL1

  Serial port 1              J20       Overheat LED               JOH

  Serial port 2              J21       CPU fan power              JT1

  Floppy drive interface     J22       32-bit PCI slots         PC1 - PC4

  PS/2 mouse port            J34       Soft off power supply      SW2

  External battery           JBT2      Wake on LAN connector      WOL

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Factory configured - do not alter       JTM            Reserved

     Factory configured - do not alter       JL2            Reserved

     Factory configured - do not alter       JT2            Reserved

     Factory configured - do not alter       JT3            Reserved

     Pentium II CTL PD state                 JP20          Pins 1 & 2
                                                              closed

      BIOS CTL PD state                       JP20          Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JBT1          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JBT1          Pins 2 & 3
                                                              closed

                        DIMM CONFIGURATION

    Size         Bank 0       Bank 1       Bank 2        Bank 3

     8MB        1MB x 64       None         None          None

    16MB        1MB x 64     1MB x 64       None          None

    16MB        2MB x 64       None         None          None

    24MB        1MB x 64     1MB x 64     1MB x 64

    32MB        1MB x 64     1MB x 64     1MB x 64      1MB x 64

    32MB        2MB x 64     2MB x 64       None          None

    32MB        4MB x 64       None         None          None

    40MB        2MB x 64     2MB x 64     1MB x 64        None

    48MB        2MB x 64     2MB x 64     2MB x 64        None

    64MB        2MB x 64     2MB x 64     2MB x 64      2MB x 64

    64MB        4MB x 64     4MB x 64       None          None

    64MB        8MB x 64       None         None          None

    88MB        4MB x 64     4MB x 64     2MB x 64      1MB x 64

    96MB        4MB x 64     4MB x 64     4MB x 64

    112MB       4MB x 64     4MB x 64     4MB x 64      2MB x 64

    128MB       4MB x 64     4MB x 64     4MB x 64      4MB x 64

    128MB       8MB x 64     8MB x 64       None          None

    128MB       16MB x 64      None         None          None

    176MB       8MB x 64     8MB x 64     4MB x 64      2MB x 64

    192MB       8MB x 64     8MB x 64     8MB x 64

    224MB       8MB x 64     8MB x 64     8MB x 64      4MB x 64

    256MB       8MB x 64     8MB x 64     8MB x 64      8MB x 64

    256MB       16MB x 64    16MB x 64      None          None

    256MB       32MB x 64      None         None          None

   352 MB       16MB x 64    16MB x 64    8MB x 64      4MB x 64

    384MB       16MB x 64    16MB x 64    16MB x 64

   448 MB       16MB x 64    16MB x 64    16MB x 64     8MB x 64

    512MB       16MB x 64    16MB x 64    16MB x 64    16MB x 64

    512MB       32MB x 64    32MB x 64      None          None

    512MB       64MB x 64      None         None          None

   704 MB       32MB x 64    32MB x 64    16MB x 64     8MB x 64

    768MB       32MB x 64    32MB x 64    32MB x 64       None

                          CACHE CONFIGURATION

  Note: The 256/512KB cache memory is located on the Pentium II CPU.

                     CPU SPEED SELECTION (PENTIUM II)

  CPU speed     Clock     Multiplier       JB1         JB2         JB3
               speed

   233MHz      66MHz         3.5x         Open        Open       Closed

   266MHz      66MHz          4x         Closed      Closed       Open

   300MHz      66MHz         4.5x         Open       Closed       Open

   333MHz      66MHz          5x         Closed       Open        Open

   350MHz      100MHz        3.5x         Open        Open       Closed

   400MHz      100MHz         4x         Closed      Closed       Open

                  CPU SPEED SELECTION (PENTIUM II CONT)

  CPU speed       Clock      Multiplier         JB4             JP11
                  speed

    233MHz        66MHz         3.5x          Closed         Pins 2 & 3
                                                               closed

    266MHz        66MHz          4x           Closed         Pins 2 & 3
                                                               closed

    300MHz        66MHz         4.5x          Closed         Pins 2 & 3
                                                               closed

    333MHz        66MHz          5x           Closed         Pins 2 & 3
                                                               closed

    350MHz       100MHz         3.5x          Closed            Open

    400MHz       100MHz          4x           Closed            Open

                             DIAGNOSTIC LED(S)

    LED         Color         Status                 Condition

   LED1      Unidentified       On                   Power on

   LED1      Unidentified       Off                  Power off

