
MICRONICS COMPUTERS, INC.

M54HI, M54HI (REV. 2A)

Processor             Pentium
Processor Speed       75/90/100/120MHz
Chip Set              Unidentified
Max. Onboard DRAM     128MB
Cache                 256/512KB
BIOS                  Unidentified
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)
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  IDE interface                J6       Speaker                   J33
  (secondary)

  IDE interface (primary)      J7       IDE interface LED         J34

  Parallel port               J12       Power LED & keylock       J35

  Serial port 1               J13       PS/2 mouse port           J38

  Serial port 2               J14       Turbo LED                 J39

  Floppy drive interface      J15       32-bit PCI slots        PC1 - PC4

  Reset switch                J32

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              J1              N/A
      alter

     Factory configured - do not             J37              N/A
      alter

     BIOS boot block select normal           W10           pins 2 & 3
                                                              closed

      BIOS boot block select reversed         W10           pins 1 & 2
                                                              closed

     Flash BIOS write protect enabled        W11              Open

      Flash BIOS write protect                W11             Closed
      disabled

     CMOS memory normal operation            W12              Open

      CMOS memory clear                       W12             Closed

     Monitor type select color               W16             Closed

      Monitor type select monochrome          W16              Open

     PS/2 mouse not installed                W17              Open

      PS/2 mouse installed                    W17             Closed

  Note: The location of J1 is unidentified.

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      NONE

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

     16MB        (2) 2M x 36      NONE

     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

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

     256KB       (4) 32K x 8   (4) 32K x 8

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

                        CACHE JUMPER CONFIGURATION

      Size               W8                 W9                 W24

      None            pins 1 & 2        pins 1 & 2            Open
                       closed             closed

      256KB           pins 2 & 3        pins 1 & 2      pins 1 & 2 closed
                       closed             closed

      512KB           pins 1 & 2        pins 2 & 3      pins 2 & 3 closed
                       closed             closed

  Note: The location of W24 is unidentified.

                   CACHE TYPE CONFIGURATION

       Setting                W6                   W7

   Pipeline burst      pins 1 & 2 closed   pins 1 & 2 closed

    Asynchronous       pins 1 & 2 closed   pins 2 & 3 closed

        Burst          pins 2 & 3 closed   pins 1 & 2 closed

                          CPU SPEED CONFIGURATION

      Speed               W4                W5                 W30

      75MHz             Closed            Closed        pins 1 & 2 closed

      90MHz              Open             Closed        pins 2 & 3 closed

      100MHz            Closed             Open         pins 2 & 3 closed

      120MHz             Open             Closed        pins 2 & 3 closed

  CPU SPEED RATIO CONFIGURATION

      Speed             W2

      1.5x             Open

       2x             Closed

  CPU VRE CONFIGURATION

   Setting        W3

     VR          Open

     VRE        Closed

                      DMA CONFIGURATION

         DMA                 W18                  W19

        None                 Open                 Open

        DMA1           pins 1 & 2 closed   pins 1 & 2 closed

        DMA3           pins 2 & 3 closed   pins 2 & 3 closed

