
IPC CORPORATION, LTD.

IPC FAMILY MAGIC

Processor  80486SX/SL80486SX/SL80486SX2/ODP486SX/UMCU5/80486DX/SL80486DX/CX486M7/AM486DX2/80486DX2/SL80486DX2/P24D/80486DX4/
           Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz
Speed
Chip Set   SIS
Max.       64MB
Onboard
DRAM
Cache      64/128/256/512KB
BIOS       Award
Dimensions 250mm x 220mm
I/O        32-bit VESA local bus slots (3), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Green PC LED                D4       Reset switch                J5

  Green PC connector          J1       Turbo switch                J6

  Power LED & keylock         J2       Turbo LED                   J7

  Speaker                     J3       Green PC connector         JP13

  External battery            J4       32-bit VESA local bus   SL1 - SL3
                                       slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP11          pins 1 & 2
                                                              closed

      CMOS memory clear                       JP11          pins 2 & 3
                                                              closed

     Factory configured - do not             RP1              N/A
      alter

                     DRAM CONFIGURATION 1

      Size          Bank 0          Bank 1          Bank 2

      1MB        (4) 256K x 9        NONE            NONE

      4MB         (4) 1M x 9         NONE            NONE

      16MB        (4) 4M x 9         NONE            NONE

      64MB        (4) 16M x 9        NONE            NONE

                       DRAM CONFIGURATION 2

      Size            Bank 0           Bank 1          Bank 2

       1MB             NONE        (1) 256K x 36        NONE

       2MB             NONE        (1) 256K x 36    (1) 256K x 36

       4MB             NONE         (1) 1M x 36         NONE

       5MB             NONE        (1) 256K x 36     (1) 1M x 36

       8MB             NONE         (1) 1M x 36      (1) 1M x 36

      16MB             NONE         (1) 4M x 36         NONE

      20MB             NONE         (1) 1M x 36      (1) 4M x 36

      32MB             NONE         (1) 4M x 36      (1) 4M x 36

                       DRAM CONFIGURATION 3

      Size            Bank 0           Bank 1          Bank 2

       2MB             NONE        (1) 512K x 36        NONE

       8MB             NONE         (1) 2M x 36         NONE

      10MB             NONE        (1) 512K x 36     (1) 2M x 36

      16MB             NONE         (1) 2M x 36      (1) 2M x 36

      32MB             NONE         (1) 8M x 36         NONE

      40MB             NONE         (1) 2M x 36      (1) 8M x 36

      64MB             NONE         (1) 8M x 36      (1) 8M x 36

                       DRAM CONFIGURATION 4

      Size            Bank 0           Bank 1          Bank 2

       2MB         (4) 256K x 9    (1) 256K x 36        NONE

       5MB         (4) 256K x 9     (1) 1M x 36         NONE

       6MB         (4) 256K x 9    (1) 256K x 36     (1) 1M x 36

       8MB          (4) 1M x 9      (1) 1M x 36         NONE

      12MB          (4) 1M x 9      (1) 1M x 36      (1) 1M x 36

      18MB         (4) 256K x 9    (1) 256K x 36     (1) 4M x 36

      20MB          (4) 1M x 9      (1) 4M x 36         NONE

      24MB          (4) 1M x 9      (1) 1M x 36      (1) 4M x 36

      32MB          (4) 4M x 9      (1) 4M x 36         NONE

      36MB          (4) 1M x 9      (1) 4M x 36      (1) 4M x 36

      48MB          (4) 4M x 9      (1) 4M x 36      (1) 4M x 36

                   DRAM CONFIGURATION 5

     Size          Bank 0         Bank 1        Bank 2

     12MB        (4) 1M x 9    (1) 2M x 36       NONE

     16MB        (4) 1M x 9    (1) 2M x 36    (1) 1M x 36

     36MB        (4) 1M x 9    (1) 8M x 36       NONE

     48MB        (4) 4M x 9    (1) 8M x 36       NONE

     64MB        (4) 4M x 9    (1) 8M x 36    (1) 4M x 36

                        DRAM RESISTOR CONFIGURATION

       DRAM             RP7           RP8           RP9          RP10
  configuration

        1               Not           Not           Not        Installed
                     installed     installed     installed

        2               Not        Installed        Not           Not
                     installed                   installed     installed

        3            Installed        Not           Not           Not
                                   installed     installed     installed

        4               Not           Not           Not        Installed
                     installed     installed     installed

        5               Not           Not        Installed        Not
                     installed     installed                   installed

                            CACHE CONFIGURATION

       Size              Bank 0            Bank 1              TAG

       64KB            (4) 8K x 8        (4) 8K x 8         (1) 8K x 8

       128KB          (4) 32K x 8           NONE            (1) 8K x 8

     256KB (A)        (4) 32K x 8        (4) 32K x 8      (1) 16K or (1)
                                                             32K x 8

     256KB (B)        (4) 64K x 8           NONE          (1) 16K or (1)
                                                             32K x 8

       512KB          (4) 64K x 8        (4) 64K x 8       (1) 32K x 8

      CACHE JUMPER CONFIGURATION

    Size         JP9         JP20

    64KB        1 & 2        2 & 3

    128KB       2 & 3        1 & 2

  256KB (A)     2 & 3        1 & 2

  256KB (B)     2 & 3        1 & 2

    512KB       2 & 3        1 & 2

                       CACHE RESISTOR CONFIGURATION

  Size       RP15         RP16         RP17         RP18          RP19

  64KB    Installed        Not          Not          Not           Not
                       installed     installed    installed    installed

  128KB       Not      Installed        Not          Not           Not
          installed                  installed    installed    installed

  256KB       Not          Not       Installed       Not           Not
  (A)     installed    installed                  installed    installed

  256KB       Not          Not          Not       Installed        Not
  (B)     installed    installed     installed                 installed

  512KB       Not          Not          Not          Not       Installed
          installed    installed     installed    installed

                          CPU TYPE CONFIGURATION

     Type         JP3        JP17         JP18        JP21        JP23

   80486SX       2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

  SL80486SX      2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

  SL80486SX2     2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

   ODP486SX      2 & 3       2 & 3       1 & 2       1 & 2        2 & 3

    UMCU5        2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

   80486DX       2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

  SL80486DX      2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

   CX486M7       1 & 2       1 & 2       1 & 2       1 & 2        1 & 2

   AM486DX2      2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

   80486DX2      2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

  SL80486DX2     2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

     P24D        1 & 2       2 & 3       1 & 2       1 & 2        1 & 2

   80486DX4      2 & 3       2 & 3       1 & 2       1 & 2        1 & 2

     P24T        1 & 2       2 & 3       1 & 2       1 & 2        1 & 2

  Note: Pins designated should be in the closed position.

                              CPU TYPE CONFIGURATION (CONT)

    Type          RP3         RP4          RP5          RP6          RP30        RP31

   80486SX        Not          Not      Installed        Not          Not      Installed
               installed   installed                 installed    installed

  SL80486SX       Not          Not      Installed        Not          Not      Installed
               installed   installed                 installed    installed

  SL80486SX2      Not          Not      Installed        Not          Not      Installed
               installed   installed                 installed    installed

  ODP486SX     Installed       Not          Not          Not          Not      Installed
                           installed    installed    installed    installed

    UMCU5         Not          Not      Installed        Not          Not      Installed
               installed   installed                 installed    installed

   80486DX     Installed       Not          Not          Not          Not      Installed
                           installed    installed    installed    installed

  SL80486DX    Installed       Not          Not          Not          Not      Installed
                           installed    installed    installed    installed

   CX486M7     Installed       Not          Not          Not      Installed       Not
                           installed    installed    installed                 installed

  AM486DX2     Installed       Not          Not          Not          Not      Installed
                           installed    installed    installed    installed

  80486DX2     Installed       Not          Not          Not          Not      Installed
                           installed    installed    installed    installed

  SL80486DX2   Installed       Not          Not          Not          Not      Installed
                           installed    installed    installed    installed

    P24D          Not      Installed        Not      Installed        Not         Not
               installed                installed                 installed    installed

  80486DX4     Installed       Not          Not          Not          Not      Installed
                           installed    installed    installed    installed

    P24T       Installed       Not          Not      Installed        Not         Not
                           installed    installed                 installed    installed

     CPU SPEED CONFIGURATION (MX8315)

   Speed      JP5        JP6        JP7

   25MHz      Open       Open     Closed

   33MHz     Closed     Closed    Closed

   40MHz      Open      Closed    Closed

  50iMHz      Open       Open     Closed

   50MHz     Closed      Open      Open

  66iMHz     Closed     Closed    Closed

  75iMHz      Open       Open     Closed

  80iMHz      Open      Closed    Closed

  100iMHz    Closed     Closed    Closed

    CPU SPEED CONFIGURATION (IMISC466)

   Speed      JP5        JP6        JP7

   25MHz      Open       Open      Open

   33MHz     Closed     Closed     Open

   40MHz      Open      Closed     Open

  50iMHz      Open       Open      Open

   50MHz     Closed      Open      Open

  66iMHz     Closed     Closed     Open

  75iMHz      Open       Open      Open

  80iMHz      Open      Closed     Open

  100iMHz    Closed     Closed     Open

  CPU TYPE/SPEED CONFIGURATION (80486DX4)

        Speed                  JP22

    Cyrix/AMD CPU       pins 1 & 2 closed

          2x            pins 2 & 3 closed

          3x                   Open

         CPU VOLTAGE CONFIGURATION

  Voltage     JP1        JP2        JP4

   3.3v       Open       Open      Open

    5v       Closed     Closed    Closed

      VESA WAIT STATE CONFIGURATION

     Wait states             JP15

    0 wait states     pins 1 & 2 closed

    1 wait state      pins 2 & 3 closed

         BUS SPEED CONFIGURATION

      CPU speed              JP16

      <= 33MHz        pins 1 & 2 closed

       > 33MHz        pins 2 & 3 closed

