
IPC CORPORATION, LTD.

IPC DYNASTY HE (MB486HE#20)

Processor      80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive
Processor      25/33/50(internal)/66(internal)MHz
Speed
Chip Set       UMC
Max. Onboard   32MB
DRAM
Cache          64/128/256KB
BIOS           AMI
Dimensions     330mm x 218mm
I/O Options    32-bit VESA local bus slots (2)
NPU Options    None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Turbo LED                  J2        Power LED & keylock         J5

  Speaker                    J3        External battery            J6

  Reset switch               J4        32-bit VESA local bus   SL1 & SL2
                                       slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Turbo enabled                            J1              Open

      Turbo disabled                           J1             Closed

     Factory configured - do not             W23              Open
      alter

     CPU clock select 1x                     W24              Open

      CPU clock select 2x                     W24             Closed

     Factory configured - do not             W25              Open
      alter

     Monitor type select color               W26             Closed

      Monitor type select monochrome          W26              Open

     Battery type select internal            W27             Closed

      Battery type select external            W27              Open

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

     4MB        (4) 1M x 9      NONE

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

     16MB       (4) 4M x 9      NONE

     32MB       (4) 4M x 9   (4) 4M x 9

                    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      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

   Size       W1        W2       W3      W4      W5       W6        W7

   64KB     Closed    Closed    1 & 2   1 & 2   1 & 2    Open      Open

   128KB    Closed    Closed    2 & 3   1 & 2   2 & 3    1 & 2     Open

   256KB    Closed    Closed    2 & 3   2 & 3   1 & 2    2 & 3     Open

            Note: Pins designated should be in the closed position..

                    CACHE JUMPER CONFIGURATION (CONT)

  Size     W13      W14      W15    W16    W17    W18      W19      W20

  64KB     Open     Open     Open   Open   Open   Open    Open      Open

  128KB   Closed    Open     Open   Open   Open   Open    Open     Closed

  256KB   Closed   Closed    Open   Open   Open   Open    Closed   Closed

            Note: The location of the above jumpers are unidentified.

                          CPU TYPE CONFIGURATION

      Type           W8          W9          W10        W11        W12

  80486SX (PQFP)    1 & 2       Open        Open       1 & 2       Open

  80486SX (PGA)     Open        Open        2 & 3       Open      2 & 3

    ODP486SX        1 & 2       Open       1 & 2, 3     Open      1 & 2
                                             & 4

     80487SX        1 & 2       Open       1 & 2, 3     Open      1 & 2
                                             & 4

  80486DX (PQFP)    2 & 3      Closed      Closed      1 & 2       Open

  80486DX (PGA)     2 & 3       Open       1 & 2, 3     Open      2 & 3
                                             & 4

    80486DX2        2 & 3       Open       1 & 2, 3     Open      2 & 3
                                             & 4

     Pentium        1 & 2       Open       1 & 2, 3     Open      1 & 2
    Overdrive                                & 4

  Note: Pins designated should be in the closed position. The locations
  of W8 & W9 are unidentified.

  VESA WAIT STATE CONFIGURATION

   Wait states          W22

  0 wait states        Open

  1 wait state        Closed

  BUS SPEED CONFIGURATION

  CPU speed        W21

   <= 33MHz        Open

   > 33MHz        Closed

