
SUPER MICRO

P5MMA98

Processor         CX 6X86/IBM 6X86/AM K5/AM K6/Pentium
Processor Speed   75/90/100/120/133/150/166/180/200/233MHz
Chip Set          Intel
Video Chip Set    None
Maximum Onboard   256MB (EDO supported)
Memory
Maximum Video     None
Memory
Cache             512KB
BIOS              AMI
Dimensions        330mm x 218mm
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
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Chassis fan power          J44

  Parallel port              CN1       CPU fan power              J51

  Serial port 1              CN2       Overheat fan               JP9

  Serial port 2              CN3       External battery           JP3

  USB connector              CN4       IR connector              JP23A

  USB connector              CN5       Soft off power supply     JP23B

  PS/2 mouse port            CN6       Reset switch              JP23C

  Floppy drive interface     J19       IDE interface LED         JP23D

  IDE interface 2            J20       Power LED & keylock       JP23E

  IDE interface 1            J21       Speaker                   JP23F

  Overheat fan               J41       32-bit PCI slots         PC1  PC4

  Overheat LED               J42

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Flash BIOS flash enabled                 J7           Pins 1 & 2
                                                              closed

      Flash BIOS protect enabled               J7           Pins 2 & 3
                                                              closed

     Factory configured - do not alter       J40              Open

      PC health monitor IRQ select IRQ9       J43           Pins 1 & 2
                                                              closed

      PC health monitor IRQ select IRQ3       J43           Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP2           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP2           Pins 2 & 3
                                                              closed

              SIMM 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

                        SIMM CONFIGURATION (CONT)

          Size                    Bank 0                   Bank 1

          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

          256MB                (2) 32M x 36                 None

            Note: Board accepts EDO memory. Do not populate banks 0 & 2
            at the same time. Use only FPM/EDO in bank 0.

                            DIMM CONFIGURATION

          Size                    Bank 2                   Bank 3

           8MB                 (1) 1M x 64                  None

          16MB                 (1) 2M x 64                  None

          16MB                 (1) 1M x 64              (1) 1M x 64

          24MB                 (1) 2M x 64              (1) 1M x 64

          32MB                 (1) 4M x 64                  None

          32MB                 (1) 2M x 64              (1) 2M x 64

          40MB                 (1) 4M x 64              (1) 1M x 64

          48MB                 (1) 4M x 64              (1) 2M x 64

          64MB                 (1) 8M x 64                  None

          64MB                 (1) 4M x 64              (1) 4M x 64

          72MB                 (1) 8M x 64              (1) 1M x 64

          80MB                 (1) 8M x 64              (1) 2M x 64

          96MB                 (1) 8M x 64              (1) 4M x 64

          128MB                (1) 8M x 64              (1) 8M x 64

          128MB                (1) 16M x 64                 None

          256MB                (1) 16M x 64             (1) 16M x 64

          256MB                (1) 32M x 64                 None

            Note: Use only SDRAM in bank 3. Bank 2 can use any type of
            DIMM.

                            CACHE CONFIGURATION

  Note: 512KB cache is factory installed and is not configurable. The
  location is unidentified.

                       CPU SPEED SELECTION (CX 6X86)

    CPU       Clock    Multiplier     JP5    JP6    JP7    J35      J36
   speed     speed

  150MHz     60MHz         2x         2 &    2 &    1 &    Open   Closed
                                       3      3      2

  166MHz     66MHz         2x         1 &    2 &    2 &    Open   Closed
                                       2      3      3

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (IBM 6X86)

    CPU       Clock    Multiplier     JP5    JP6    JP7    J35      J36
   speed     speed

  150MHz     60MHz         2x         2 &    2 &    1 &    Open   Closed
                                       3      3      2

  166MHz     66MHz         2x         1 &    2 &    2 &    Open   Closed
                                       2      3      3

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU      Clock    Multiplier    JP5    JP6    JP7     J35       J36
   speed     speed

   75MHz     50MHz       1.5x        2 &    2 &   2 &     Open     Open
                                     3      3      3

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU      Clock    Multiplier    JP5    JP6    JP7     J35       J36
   speed     speed

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

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

  233MHz     66MHz       3.5x        1 &    2 &   2 &     Open     Open
                                     2      3      3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier    JP5    JP6    JP7     J35       J36
   speed     speed

   75MHz     50MHz       1.5x        2 &    2 &   2 &     Open     Open
                                     3      3      3

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

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

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

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

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

  150MHz     75MHz        2x         2 &    1 &   1 &     Open    Closed
                                     3      2      2

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

  180MHz     60MHz        3x         2 &    2 &   1 &    Closed    Open
                                     3      3      2

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

  233MHz     66MHz       3.5x        1 &    2 &   2 &     Open     Open
                                     2      3      3

  Note: Pins designated should be in the closed position.

                CPU VOLTAGE SELECTION

  Voltage     J46        J47        J48        J49

   2.1v      Closed      Open      Open       Open

   2.2v       Open      Closed     Open       Open

   2.3v      Closed     Closed     Open       Open

   2.4v       Open       Open     Closed      Open

   2.5v      Closed      Open     Closed      Open

   2.6v       Open      Closed    Closed      Open

   2.7v      Closed     Closed    Closed      Open

   2.8v       Open       Open      Open      Closed

   2.9v      Closed      Open      Open      Closed

   3.0v       Open      Closed     Open      Closed

   3.1v      Closed     Closed     Open      Closed

   3.2v       Open       Open     Closed     Closed

   3.3v      Closed      Open     Closed     Closed

   3.4v       Open      Closed    Closed     Closed

   3.5v      Closed     Closed    Closed     Closed

                       MISCELLANEOUS TECHNICAL NOTE

  The CPU fan will automatically turn on when the CPU temperature exceeds
  the user defined temperature.

